History in events and dates

Spring, 1975 – first teams of builders arrived to the site of the prospective South Ukraine electric power producing complex. A design foresaw to build a unique electric power producing object as a part of four Units of South-Ukraine Nuclear Power Plant of total power  4000 MW, and also a powerful waterpower complex – Tashlyk storage plant designed power of which is  1800 MW, Kostyantynivka Hydro Power Station (HPS) – Storage Plant (SP) (430 MW) and Oleksandrivka HPS (11,5 МW) in complex with tandem reservoir system: a reservoir in Tashlyk ravine (volume is 86 million cubic meters, Kostyantynivka (442 million cubic meters) and  Oleksandrivka (114 million cubic meters) reservoirs  – in bed of the Pivdennyi Bug river.

May 3, 1975 –start of earth works to prepare the basement for reactor one. This date is considered the start of South Ukraine Nuclear Power Plant (SU NPP) building.  

September 9, 1976 – solemn ceremony of laying of the first cubic meter of concrete into the basis of SU NPP Unit 1.

Year 1981 – start of Tashlyk Storage Plant (TSP).

December 31, 1982 – SU NPP Unit 1 commissioning.

October, 1984 – first formal international contacts foundation – meeting of delegations from countries-members of economic mutual aid council: Bulgaria, Hungary, Vietnam, GDR, Cuba, Mongolia, Poland, Check Republic, and Yugoslavia.  

January 6, 1985 – SU NPP Unit 2 commissioning

Year 1985 – start of Oleksandrivka HPS (AHPS) building.

April 2, 1987 – a new human settlement erected by SU NPP builders near Kostyantynivka village got a status of a town by a Decree of the Presidium of Supreme Soviet USSR, it was named Yuzhnoukrainsk rating to the category of regional subordination towns.  

August 16, 1989 – building of SU NPP Unit 4 was suspended, building of Kostyantynivka HPS – SP together with Kostyantynivka reservoir was stopped, and the power of TSP was limited till 900 MW by the Council of Ministers’ Order. 

September 20, 1989 – SU NPP Unit 3 commissioning.

October 14, 1991 – the Ukraine Cabinet of Ministers passed the Decree “About setting a moratorium on building of some objects” – works on TSP building were suspended.

October, 1991 – the Institute “Ukrenergoproekt” completed development of the refined design of  the TSP in two possible versions which foresaw: а) putting into operation three storage pumps with designed power 450 MW and conservation other three storage pumps; б) putting into operation six storage pumps with designed power 900 MW.

Year 1991 – Agreement on direct collaboration was signed between SU NPP and Grohnde NPP (Germany). The first sworn brotherhood relationships with the foreign NPP were established.

January, 1995 – on invitation of the Ukraine Government IAEA (International Atomic Energy Agency) experts performed АSSЕТmission (Analysis Safety Significant Events Team) in three SU NPP Units under operation. International experts approved the plant management efforts bended to the further improvement of its safety.

September, 1995 – full-blown partner inspection was carried out at SU NPP under the aegis of the Atlantic Center of World Association of Nuclear Operators (WANO).

August 14, 1996 – moratorium on TSP building was called off by the Decree of the Ukrainian Cabinet of Ministers.

October, 1996 – SU NPP as a Detached Subdivision (DS SU NPP) was included into the State Enterprise “National Nuclear Energy Generating Company “Energoatom” (SE NNEGC “Energoatom”) which merged all nuclear power plants of the Ukraine.

April, 1997 – SU NPP reactor shops shift supervisors obtained first licenses for operation of reactor facilities.

April, 1999 – Oleksandrisvka hydro power plant was put into operation. Designed total power of its two generating units is 11,5 MW. 

November 16, 2000 – the Ukraine Cabinet of Ministers approved the preposition of the Ministry of Fuel and Energy to put into pilot-commercial operation TSP two storage pumps with designed total power 300 MW.

Year 2000 – full-scale simulator for training of SU NPP Unit 3 operating personnel was put into operation.

January 2001 – session of Mykolaiv Regional Council approved a Program of infrastructure improvement of the region which is included into the area of TSP influence. While TSP building it was the first time that in the Ukraine they used the procedure of simultaneous financing both industrial object building and social-ecological activities implementation in the area of its location.

January, 2001 - TSP building was recommenced.

June, 2001 – full-scale simulator for training of SU NPP Units 1 and 2 operating personnel was put into operation.

2001 год – Agreement on direct collaboration was signed between SU NPP and Kalinin NPP (Russia).

Year 2001 – according to engineering-and-economical performance SU NPP Unit 3 was declared as the best of the domestic WWR-1000 Power Generating Units.

Year 2001 – on results of the work during the year the employers of the enterprise SU NPP became a laureate of the all-Ukrainian competition “The Leader of the Fuel Power Generating Complex of the Ukraine”.

June 17, 2002 – the Ukraine Cabinet of Ministers approved the project of TSP building completion that determined commissioning the starting complex equipped with two reversible storage pumps of total power 320 MW using Oleksandrivka water storage basin with water level 14,7 m.

July, 2002 – SU NPP is the first of the nuclear power plants in the Ukraine that has obtained a permanent license for nuclear power generating units.

July, 2003 – the second full-blown partner inspection was carried out at SU NPP under the aegis of Moscow regional center of WANO.

Year 2003 – SU NPP was recognized as a winner of the all-Ukrainian competition “The Leader of the Fuel Power Generating Complex” in the nomination “an innovation project” for the reconstruction of the Unit 3 generator and the replacement of two steam generators in Unit 2.    

Year 2004 – SU NPP run performance of the maximum annual production of electric power which was 21,8 billion KW·h.     

Year 2004 – the international conference II “Safety Culture at NPP’s of the Ukraine” SU NPP Unit 3 was recognized as the best one in safety culture among power generating units of domestic NPPs for the high performances of work and observance of safety principles.

May, 2005 – it was the first time when they downloaded fuel assemblies of alternative configuration (Fuel Assembly – A) manufactured by Russian Concern (TVEL) into the SU NPP Unit 2 reactor core.

August 2005 – it was the first time in the Ukraine when they downloaded 6 fuel assemblies manufactured by Westinghouse (USA) along with fuel assemblies of Russian manufacture into SU NPP Unit 3 reactor core. The fuel assemblies were provided in frames of Ukrainian-American Agreement about implementation of the project on qualification of nuclear fuel for Ukrainian NPPs. 

October 2005 – it was signed an Agreement on the direct collaboration between SU NPP and nuclear power plant «Saint-Laurent» (France).

March 2006 – SU NPP usefully passed certification audit of the quality management system in fit the international standard ISO 9001. SU NPP became a pilot enterprise of NNEGC “Energoatom” in quality management system certification.  

September 2006 - the international NNEGC “Energoatom” conference III “Safety Culture at NPP’s of the Ukraine” SU NPP was recognized as the best of Ukrainian NPPs in this field.

October 2006 – on the invitation of the Government of the Ukraine IAEA experts carried out OSART mission (a mission on operational safety control). The experts recognized SU NPP Unit 3 operational safety fitted international standards.   

December 2006 – TSP storage pump 1 was accepted for the industrial operation.

April 2007 - WANO mission in evaluation of emergency preparedness and reaction system was carried out at SU NPP. International experts recognized the SU NPP emergency preparedness and reaction system operated in a proper way, and personnel of emergency teams in subdivisions demonstrated full understanding of their functions.

April-May 2007 – on the initiative of NNEGC “Energoatom” there was carried out an ecological audit of the first staring complex of TSP. Independent experts recognized building and operation of TSP objects was performed with current environmental regulations compliance.

August 31, 2007 – TSP storage pump №2 was accepted to industrial operation.

November 21, 2007 – the Ukraine Cabinet of Ministers approved a project and a title for completion of TSP building before 2011. Constructors started building the second stage of TSP as a part of storage pump №3.

June 2008 – IAEA experts in frames of IRRS mission (mission on integrated review of regulator’s support) in State Nuclear Regularity Committee of the Ukraine (SNRCU) checked an activity of the Committee Inspection Office at SU NPP. The international experts recognized the SNRCU Inspection Office at SU NPP acted with international standards compliance.

Year 2008 – replacement of a generator was performed while Outage in SU NPP Unit 3. Rotor and stator winding was performed using cutting-edge technology of Company Alstom (France). 

November 2008 – SU NPP produced 400 billion KW·hours of electric power since start of the operation.

January 31 – February 6, 2009 – it was the first time in the Ukraine when IAEA experts carried out a mission in SU NPP on assessment of radioactive waste (RAW) treatment and the program of Units disposal. The experts recognized the current system of RAW treatment and the program which was under development of Units disposal at SU NPP completely fitted international standards.

February 1 – 11, 2009 – on the invitation of the Ukraine Government IAEA experts carried out a mission on designed safety assessment in SU NPP Unit 1. The experts recognized the designed safety in SU NPP Unit 1 was with IAEA standards of safety compliance.

March 30 – April 9, 2009 – on the invitation of the Ukraine Government IAEA and the European Commission experts carried out the follow up mission OSART in SU NPP Unit 3 and expert mission on operational safety assessment. The experts recognized the operational safety fitted international standards.

May 25 – 30, 2009 – on the invitation of the Ukraine Government IAEA experts carried out a mission on designed safety assessment in SU NPP Unit 2. The experts recognized the designed safety in SU NPP Unit 2 was with IAEA standards of safety compliance.

July, 2009 - IAEA experts recognized the operational safety in SU NPP Unit 3 was with IAEA standards of safety compliance. IAEA mission was carried out on site ZNPP. Inspection of SU NPP Unit 3 was carried out remotely by reviewing provided documents. As for a situation in SU NPP Unit 3, international experts examined it before, while similar missions in SU NPP Units 1 and 2 in February and in May, 2009.

October 13 – 15, 2009 – IAEA expert mission was carried out at SU NPP on elements methodological selection of safety significant systems (SSS) for the purpose of including them into the aging management program.

November 2 – 9, 2009 – on invitation of Ukraine Government IAEA and the European Commission experts carried out OSART mission in SU NPP Units № 1 and 2, and expert mission on operational safety assessment. The experts recognized the operational safety fitted international standards.

December, 2009 – in accordance with a detailed schedule of preparation for life-term operation extension it was performed life examination with metal control of reactor vessel, vessel internals, and supporting structures of SU NPP Unit 1.

February 5, 2010 - final inspection of six pilot fuel assemblies manufactured by Westinghouse (ТВС-W) was completed. The last fuel cycle in which they were used finished. In the resulting protocol there was stated the following: the noted design of fuel assemblies showed itself in good advantage during four years of operation and was able to be used as reference one while designing fuel for NPPs of the Ukraine, particularly for reactors of WWER-1000 type.

  February, 2010 – there was carried out at SU NPP a partner inspection in the field of symptom oriented abed instructions (SOAI) using.  According to evaluation of experts of USA Pacific North National Laboratory (PNNL) the SOAI procedure was implemented successfully.  

March, 2010 – a complete reload batch was downloaded into the reactor core of SU NPP Unit 3 – 42 fuel assemblies manufactured by Westinghousе. That was the start of the second stage of the Ukrainian-American project “Qualification of Nuclear Fuel for the Ukraine”   

April 10 – 24, 2010 – WANO carried out a partner inspection at SU NPP. In the work of the enterprise there were detected 3 strong sides (examples of the positive experience which was never observed before in any of NPPs of the world) and 7 positive practices (that positive experience was observed in other NPPs of the world). They marked also 14 areas of the production activity which demanded some improvements.

April, 2010 – Oleksandrivka water storage basin was filled up to the point 16m. That allowed using it for the first time as a water accumulator. Additional 10 million of water gathered while spring flood were used in the downstream of the river Pivdennyi Bug for support of the needed sanitation-ecological charges and to avoid aggravation of water-recourses conditions in the nearest human settlements.  

May 18 – 20, 2010 – expert mission on knowledge management in nuclear power engineering was carried out by IAEA at SU NPP. There were determined some specific activities to be performed to develop a project on knowledge management at SU NPP. 

August 6, 2010 -  the 38th session of Mykolaiv Regional Council of the 5th convocation made changes in the decision of the January 16, 2001 “About paramount activities for creation good conditions of Tashlyk Storage Plant” safety operation. The changes concerned ways of conservation of fish resources in the river Pivdennyi Bug. Building of fish facilities in Oleksandrivka waterworks facility was replaced by building of fish reproduction complex. 

January 31 – February 3, 2011 - on the invitation of South-Ukraine nuclear power plant management the Moscow Office of WANO carried out at SU NPP a mission of technical support “Training in Methods of the Basic Reasons Analysis”.

Match, 2011 – the second reloading bunch of fuel manufactured by Westinghouse was loaded into SU NPP Unit 3 reactor core (that was the first commercial delivery of FA-W).  Since 2011 total amount of Westinghouse fuel in the reactor core was 84 FA, that is more than half of all fuel assemblies.

May 10 – 13, 2011 – IAEA carried out a mission at SU NPP on assistance in creation nuclear knowledge management system. While the mission IAEA experts provided a methodology developed on the basis of experience of different countries in this field, familiarize with examples of it implementation in European countries.

May 18, 2011 – in SU NPP it was carried out consultative meeting with public representatives regarding to planning works on ecologic evaluation “Complex (cumulative) Program nuclear safety improvement of nuclear power generating units of the Ukraine” (C(m)PSI). The aim of the meeting was to involve people and public organizations into discussion of issues related to safety improvement of Units under operation. The Program was developed to 2017. At SU NPP in frames of this Program it had been planned to perform 173 activities. 

July, 2011 – in accordance with the detailed schedule of preparation for life time operation extension it was performed an endurance examination including control of reactor vessel metal, in-vessel devices, and support constructions in SU NPP Unit 2.  

August, 2011 – 42 FA-W were loaded into SU NPP Unit 2 reactor core. That was the second commercial bunch of fuel assemblies delivered to SU NPP by Westinghouse. That operation was the next stage of Ukrainian-American Agreement on nuclear fuel qualification for Ukraine. SU NPP power generating Unit 2 became the second one among domestic Units in which along with Russian fuel they use the fuel of Westinghouse.

October 11-13, 2011 – a technical support mission was carried out by Moscow Office of WANO on the invitation of South-Ukraine nuclear power plant management. It was dedicated to “Optimization of equipment and valve maintenance. Maintenance on condition”. The result of the visit were recommendations of the experts on work improvement in this area. During the mission the experts noted they were not only sharing experience but also adopting positive practices at SU NPP.

October 9, 2011 – an assembly of large parts of a storage pump #3 at Tashlyk Pump Storage Plant started: the first out of six stator segments was lowered into the generator pit. The construction weight is 79,3 tons. The stator total weight is 410 tons. The segments were assembled into one ring in November-December.

November 14-18, 2011 – postmission OSART was conducted at Units 1 and 2 by IAEA experts within the joint project of IAEA-EU-Ukraine on safety assessment. The experts admitted compliance of operational safety level to international standards.

November, 2011 – specialists of State scientific and engineering centre for monitoring systems and emergency response of Ministry of energy and coal industry together with Ukrainian science-research institute of ecological problems carried out ecological audit of SU NPP power units. Its conclusions prove that SU NPP activity satisfies requirements of current Ukrainian legislation concerning protection of natural environment.

January 2012 – a technical support mission “Training of mid level managers in “Management” was carried out by Moscow Centre of the World Association of Nuclear Operators. Nearly thirty mid level managers took a three-day training course devoted to management of changes, projects and techniques of personal work.

March 20, 2012 – a survey mission of the European Nuclear Safety Regulators Group (ENSREG) was carried out at South Ukraine NPP. It was aimed at specifying particular moments of Ukrainian national report based on stress-tests results of national power plants safety.

June 14, 2012Tashlyk Pump Storage Plant produced the first 1 billion KW·hours of electric power since start of the operation.

August 2012 – institute of geophysics named after S.I. Subotin presented the first scientific-technical report on the results of seismological monitoring system work of Tashlyk SP location. The specialists` conclusions proved high equipment sensitivity as seismological points confidently register teleseismic (happening at the distance of more then 1000 km) and regional (the radius is 300 km) seismic activities.

October 16-November 17, 2012 – an active phase of social discussion process concerning the matter of Unit 1life time extension was held. Public hearings took place in three towns of Yuzhnoukrainsk, Pervomaisk, Voznesensk as well as in district centers of Domanivka, Bratske and Arbuzynka. The participants supported nuclear men activity in general concerning Unit 1life time extension in beyond design service life on condition of providing its proper safety level and saving social-economical risk compensations set by the legislation of Ukraine for the population of radiation-control area. The process of public discussion was initiated by South Ukraine PP.

December 2012 – State Inspection of Nuclear Regulations of Ukraine and Department of energy and coal mining industry reconciled the decision of NNEGC “Energoatom” “Concerning a power Unit 1life cycle stage “operation” at South Ukraine NPP in accordance with requirements of current standards and rules”. December 2, 1983 was recognized as the start of SU NPP Unit 1 life cycle stage “operation”, and the project 30-year term of its operation should end on December 2, 2013.

Year 2012 – a new water purification system for NPP needs was put into operation. Work at its full reconstruction had lasted since 2004. South Ukraine NPP is NNEGC “Energoatom”`s pilot station in the sphere of improvement of water preparation process for its own needs.

May 16, 2013 – South Ukraine PP together with other nine budget forming enterprises signed an agreement about social partnership with Mykolaiv regional state administration.

June 14, 2013 – an off-site meeting of Southern scientific center of National academy of sciences and Ministry of education and science of Ukraine with participation of South Ukraine electric power producing complex managers and leading specialists was held at SU NPP. The dialogue between scientists and manufacturers was devoted to issues of safety justification of SU NPP Unit 1 life time extension and assessment of its operation influence in beyond design service life on the environment.

June 27, 2013 – office of World Association of Nuclear Operators (WANO) was founded at SU NPP. It became the second nuclear site in Ukraine where representative office of WANO was organized.

August 19-21, 2013 – an international routine insurance inspection was held. Experts assessed insurance risks for NPP to insure against civil liability of nuclear damage and property got acquainted with realization of previous international pooling system inspections and International Atomic Energy Agency and World Association of Nuclear Operators missions recommendations.

September 10, 2013 – a modernization project of Unit 3 full-scope training simulator assigned for practical preparation and operating personnel qualification support was completed at SU NPP. A severe accident module was included into its structure for the first time in Ukraine. As a result, a training simulator of a new generation was obtained, which allows to set operational modes and to learn to overcome the most difficult situations in real time including beyond design basis accidents similar to that happened at NPP “Fukushima”.

October 7-10, 2013 – a complex comprehensive inspection was held at Unit 1 SU NPP. An inter-agency commission including representatives of SNRIU, State service for emergencies, State ecological inspection, State service of mining supervision and industrial safety, Ministry of internal affairs, State sanitarian service of Ukraine confirmed its readiness for operation in beyond design service life.

October 27 – November 1, 2013 – a technical support mission of Moscow regional center of WANO was carried out at SU NPP. It was devoted to improvement of SU NPP instructors of training centre qualifications, particularly concerning personnel preparation at full-scope simulators.

November 18, 2013 – public hearings regarding the project on SNRIU decision about Unit 1 life time extension took place in Yuzhnoukrainsk. They became a key stage of public discussion, a dialogue with the community, organized on SNRIU initiative.

November 28, 2013 – Board of the State Nuclear Regulatory Inspection of Ukraine admitted the assessment of safe operation term of South Ukraine Unit 1 to be justified at defined in the project power levels specified in the design during the next 10 years (till December 2, 2023).

December 3-5, 2013 – Moscow regional center of WANO carried out a technical support mission “Analysis of fundamental reasons of NPP failures” at SU NPP.

December 9, 2013 – the first deputy chairman of SNRIU, the main state inspector of nuclear and radiation safety Mykhailo Gashev presented SU NPP acting director general Vyacheslav Kuznetsov with a license on Unit 1 operation at energy capacity levels for the next 10 years.

February, 2014 – 4 enhanced aspiration posts finishing the lists of objects of automated system of radiation situation control were put into operation.

March 2014 – SNRIU and Ministry of energy and coal coordinated NNEGC “Energoatom”`s decision “About bringing SU NPP Unit 2 life cycle stage “operation” in accordance with requirements of current regulations and rules”. May 12, 1985 was recognized as the start of SU NPP Unit 2 life cycle stage “operation” (the date of signing the certificate about SU NPP Unit 3 commissioning by the State acceptance commission).

August 4-5, 2014 – SU NPP successfully passed certification audit of the quality to fit the international standard ISO 14001:2004. The certification audit was held by LLC ”TUV NORD UA”. SU NPP management system was recognized as fitting requirements of international standard ISO 14001:2004.  

August 24, 2014 – SU NPP produced 500 billion KW·hours of electric power since start of the operation. A new significant date was inscribed in the history of SU NPP on the Day of Independence of Ukraine.

September 15-19, 2014 – Moscow regional center of WANO carried out a technical support mission “Assessment of safety culture”.

October-November 2014 – Moscow regional center of WANO carried out a technical support mission “Leadership”.

November 14-29, 2014 – WANO carried out a partner inspection at SU NPP. The enterprise activity was checked within 16 areas. Implementation of recommendations stated in the reports about significant operation experience (SOER) was considered apart. General safety culture level at the enterprise was also assessed. South Ukraine NPP became the first Ukrainian NPP partner inspection of which was carried out in accordance with updated version “Performance objectives and criteria” (POC). According to the results of inspection, strengths of power plant activity and areas which needed some efforts to bring them into accordance with the best world practice were detected.

December 10, 2014 – two blocks of flats (71 flats) of a new nine-storeyed building, were put in place. NPP put new accommodation into service for the first time during the last 7 years.

December 2014 – March 2015 – reconstruction of a refueling machine was conducted during scheduled outage at Unit 3. As a result it became the first refueling machine in Ukraine of a serial nuclear block technical capacities of which provide operation modes with nuclear fuel of different types and from different manufacturers.

March 2015 – a refuel batch (42 fuel assemblies) manufactured by Westinghouse, fully consisting of modified construction fuel assemblies (ТВС-WR) was loaded into the reactor core during planned preventive maintenance at Unit 3 SU NPP. Composition of the next (the twenty fifth) fuel assembly was agreed with SNRIU.

March 27-June 5, 2015 – an active phase of social discussion process concerning the matter of Unit 2 life time extension was held. Public hearings took place in district centres of Arbuzynka, Bratske, Voznesensk, Pervomaisk, Domanivka and in the town-satellite Yuzhnoukrainsk. Nearly 1500 inhabitants of Mykolaiv region participated in public hearings. The participants supported nuclear men activity in general concerning Unit 2 life time extension in beyond design service life on condition of providing its proper safety level and saving social-economical risk compensations set by the legislation of Ukraine for the population of radiation-control area.

April 1, 2015 – level of TSPP upper reservoir was risen from 99,5 m to 101,5 m. Additionally accumulated total amount of water in the upper reservoir made up 700 000 m³. Operating characteristics of aggregate #2 improved after runner substitution: its required capacity in generator mode increased from 151 to 160 MW, time of operation in generator mode was increased to 50 min. and to 1 hour in normal pump operation.

June 3, 2015 – Oleksandrivka HPS, included into series of hydroelectric power plants of Yuzhnoukrainsk electric power producing complex, produced 500 million KW·hours of electric power since start of the operation.

September 15-17, 2015Moscow regional center of WANO carried out a technical support mission “Human error prevention technique” at South Ukraine NPP.

September 23, 2015SS “South Ukraine NPP” team became the winner of an investment business game “New power units. Who is the first?” which was held within the Day of nuclear energy during annual International forum of fuel and energy balance complex “TPP: present and future”.

October 19-23, 2015 – a complex inspection of SU NPP Unit 2 readiness for operation in beyond design service life was carried out under the aegis of SNRIU. The commission confirmed that Unit 2 technical condition allows its operation in beyond design service life on the condition that all listed activities will be performed according to the schedule.

October, 2015 – a Report concerning the influence of South Ukraine electric power producing complex planned activity on the environment was developed at SU NPP on the initiative of SE NNEGC “Energoatom”. The document was sent for the State ecological review to the Ministry of ecology and natural resources of Ukraine.

November 2-4, 2015 – a team of WANO experts worked at SU NPP within the first corporate peer review of SE NNEGC “Energoatom”.

November 25, 2015 – public hearings concerning SNRIU project decision on life time extension of Unit 2 nuclear facility of South Ukraine NPP for a 10-year term at power levels specified in the design, including energy capacity level, as was declared by operator SE NNEGC “Energoatom” were held.

December 7, 2015 – board of SNRIU stated that Unit 2 fitted safety requirements and recognized capability of its safe operation till December 31, 2025 to be justified according to the results of National review of nuclear and radiation safety, Report on Periodic Safety Review and comprehensive inspection of South Ukraine NPP Unit 2.

December 15, 2015 – Sergiy Bozhko, a chairman of SNRIU, presented Yuriy Nedashkovskiy, the president of NNEGC “Energoatom” with a license dated on December 9, 2015 which gave the right to carry out the operation at a life-cycle stage “nuclear facility operation of South Ukraine NPP Unit 2”.

April 6, 2016 – the first stage of activities on reactor vessel internal examination was completed within SU NPP Unit 3 life time extension.

July 4-14, 2016 – V summer nuclear school “Youth and the future of nuclear power generation industry” was held at SU NPP. It was organized directly on NPP site which gave the participants, students and teachers from higher educational establishments in nuclear area, preparing qualified personnel for nuclear power generation industry of Ukraine, an opportunity to get acquainted with enterprise practical base, to communicate with plant managers, to get additional knowledge from NPP specialists. Students from Czech Republic participated in the work of V summer nuclear school for the first time.

August 2, 2016 – SU NPP got 10 shielded armored cabinets for a military unit #3044 guarding power plant facilities. The delivery was realized within the G7 initiative “Global Partnership against the spread of weapons and materials of mass destruction”. SU NPP was the first Ukrainian NPP which got equipment of such kind as a part of international help.

August 9, 2016 – the first cubic meter of concrete was laid into the foundation of a spray pond #1 which construction is carried out within the project of increasing cooling capacity of Tashlyk reservoir. The realization of a project envisaging construction of 5 spray ponds, a complex of buildings for filling and making up the cooling pond and also directed jet structure in a reservoir basin, will allow to exclude energy production loss because of high temperature of circulating water during hot summer months.

August 22, 2016 – work on creating a system of tritium and carbon C-14 wastes control started at SU NPP. Equipment for all three plant power units was bought for realization of the assigned task. The system allowing to profoundly assess NPP influence on the environment, personnel and population was put into pilot operation on December 2.

September 19-23, 2016 – follow-up peer review was carried out by World Association of Nuclear Operators (WANO) at South Ukraine site. During one week seven experts from Bulgaria, Armenia, Ukraine, Russia and China analyzed the effectiveness of corrective measures performed by SU NPP according to the results of a peer review which took place in November 2014. WANO experts noted a significant progress in all areas for improvement detected in 2014.

October 24-28, 2016 – planned tactic-special trainings with participation of NPP representatives, regional SSU (Security Service of Ukraine) divisions, National police, State service of emergencies, National Guard, state and local authorities were held at South Ukraine NPP. Such global trainings were carried out at Ukrainian NPP for the first time.

November 1, 2016 – SU NPP Unit 1 raised thermal capacity level to 3045 MW equal to 101,5% of designed capacity. Such result was achieved due to reducing of excessive conservatism considered during project developing of WWER-1000 Power Unit owing to implementation of new equipment and systems used for measurement of Power Unit operational parameters and software and hardware complexes. 45 thermal megawatt of capacity beyond design allow to get nearly 15 additional electric megawatt from the Unit. Additional annual energy output may make up 97,5 millions KW·hours of electric power.

November 4, 2016 –a memorial plate to commemorate Igor Buinovskyi, an ATO hero, a former South Ukraine electric power producing complex worker, was unveiled in the town-satellite of SU NPP.

20 January 2017 – 42 Robust Westinghouse Fuel Assemblies (reloading batch) were loaded into the core of Unit 2. This power unit became the second Ukrainian power unit operating robust FAs.

14 February 2017 - At the Unit 2 the outage was finished. During this outage the biggest work was completion of turbine condenser replacement. SU NPP is a pioneer among domestic NPPs as to performance of this work. During this outage they replaced “A” row of condenser. “B” row was replaced during scheduled preventive maintenance in 2015. This full upgrade enabled to increase Unit 2 capacity till 1050 MW.

3-7 April 2017 SU NPP hosted WANO technical support mission “Approval of Efficient Operational Decisions”. Specialists in nuclear area from Great Britain, Rumania, the USA and Russia shared their operation experience with SU NPP specialists.

20-21 April 2017 – At South Ukraine Power Complex site there was an external meeting of Council of Electricity Wholesale Market of Ukraine. Within the framework there was a panel discussion on the subject “Optimization of Operation Modes of Hydraulic Accumulator Capacities of Ukraine”. During this discussion participants got to know the history and plans of Tashlyk PSP development and considered proposed changes of plant operation mode.

April-May 2017 -In settlements (that belong to the area of Olexandrivka water reservoir impact) there were public hearings about level increase of Olexandrivka water reservoir up to 20.7m and discussion of materials about impact of this activity on environment. Materials about impact of this activity on environment were presented to the inhabitants of Yuzhnoukrainsk and following villages: Bohdanivka, Prybuzhzhia, Olexandrivka, Kostiantynivka.

13 May 2017 - Runner was installed into the pit of the third hydraulic unit of Tashlyk PSP. This is one of the most important stage of hydraulic unit construction, that is treated as symbolic birthday of hydraulic unit. The runner input was made using special crane. Load details: diameter – 6 metres, weight – more than 110 tons, material – stainless steel. Accuracy of runner installation is up to the tenth of millimeter – distance between body labyrinth seal and the runner that is not bigger than 1.5mm.

15 May 2017 – In Yuzhnoukrainsk they created a detached subdivision of public organization named “Ukrainian Nuclear Society”. According to the given applications 546 persons are members of this society.

17 May 2017 – In the basis of spray pond #2 at SU NPP they underpoured the first cubic metre of concrete. Spray pond construction is performed within the framework of upgrading of SU NPP service water supply system. Its implementation will permit to avoid electricity generation losses related with high temperature of circulating water and to remove restrictions on power units capacity caused by insufficient cooling capability of Tashlyk water reservoir in hot summer months.

8 June 2017 – In Information Center of South Ukraine Power Complex within the framework of public hearings there were public consultations as to the project “Report on ecological evaluation of Comprehensive (Integrated) Safety Upgrade Programme of NPPs’ power units of Ukraine in 2012-2016”. Working group of NNEGC “Energoatom” head office presented the results of ecological evaluation and draft of the Report that was subject to public hearing.

10 June 2017 – At SU NPP they finished control of reactor vessel and core internals at Unit 3. This is one of obligatory procedure stipulated by programme of power unit preparation for long term operation. The obtained results showed that reactor is in satisfactory condition, inadmissible discontinuity flaws are absent. It means that reactor vessel and, accordingly, power unit operation life can be extended.

June 2017 - Monitoring consultants from the European Bank for Reconstruction and Development that is a creditor bank, visited SU NPP to monitor the implementation of Comprehensive (Integrated) Safety Upgrade Programme measures. The delegation also comprised representatives from Project Management Unit for Comprehensive (Integrated) Safety Upgrade Programme. At the exit meeting monitoring consultants from EBRD noted that based on the monitoring of implementation of Comprehensive (Integrated) Safety Upgrade Programme measures at SU NPP site there were no comments.

31 August 2017At South Ukraine Power Complex they put regime of severe water consumption economy. Such decision was conditioned by complicated and unsafe situation related with water supply in basin of Pivdennyi Buh river in reply to the letter of Pivdennyi Buh Basin Management of Water Resources of State Agency of Water Resources of Ukraine. Specialists from Basin Management of Water Resources are convinced that situation can be changed in the lower reach of Pivdennyi Buh river after increase of Olexandrivka water reservoir up to 20.7m design elevation.

18-22 September 2017 – At SU NPP there was the XIV Ukrainian conference on physical protection, accounting and control of nuclear materials with more than 70 specialists. At SU NPP site it was the third such meeting. The distinctive feature of this conference was participation of a big number of foreign specialists. It permitted to exchange thoughts and share experience among specialists from different countries.

28 September- 1 November 2017 – At Unit 2 during routine maintenance in the course of excitation system restoration they performed a unique work when moving by 1.5m the support bearing #14 of generator exciter rotor.

September 2017 – During the outage of Unit 1 they replaced 2/3 of turbine condenser. The rest is planned to be replaced during scheduled preventive maintenance in 2018.

13-15 November 2017 – in the frame of auditing the SENNEGCEnergoatom, the South-Ukraine Power Complex passed the first technical supervision and recertification audit of an integrated management system for compliance with international standards. Independent auditors assessed the level of SU NPP compliance with the updated versions of international standards ISO 9001:2015 and ISO 14001:2015. To confirm the validity of early gained Certificate, an audit under the International standard OHSAS 18001:2007 was conducted as well. A consolidated report on the audit of the SENNEGCEnergoatomshows no discrepancies.

21 November 2017 – public debates were held in the South Ukraine Information Center to address issues of implementation of the Comprehensive (Integrated) Safety Upgrade Programme and the Plan of Environmental and Social Measures (described in the Comprehensive (Integrated) Safety Upgrade Programme) that have been implemented as of 30 September 2017.

November 2017 – a toll free telephone hotline is available in the trial mode at the South Ukraine Power Complex. Call 0-800-500-107 to get to know about the facility performance and to contact South Ukraine Information Center staff and to order a tour to SU NPP, Olexandrivka Hypro and Tashlyk PSP.

17 December 2017 – new Ukrainian Law “Concerning the Environmental Impact Assessment” No 2059-VIII came into force. Under this law, a new Environmental Impact Assessment “Raising the level in the Olexandrivka water reservoir up to 20.7 m design elevation” will be performed.

December 2017 – Unit Load Factor of South Ukraine Units was 100.26% (in comparison to 98.7% target figure). Such value was reached thanked to a package of activities where the main ones are replaced turbine condensers at South Ukraine Units-1&2 and increased thermal capacity of South Ukraine Unit 1.

2017 – as of the end of 2017, SU NPP total capacity was 3050-3055 МW. Such values were last observed in 2004-2006.

2017 - monographIntegrated Geo-Environmental Monitoring of a Tashlyk PSP and Olexandrivka reservoir affected areawas published. This publication gives generalized data of scientific observations for 1998-2016.

January 2018 system for radiation protection data visualization was put into operation at SU NPP. It was introduced within the fulfilment of WANO mission recommendations on strengthening the activities on radioactive contamination non-spreading.

22 March 2018 South Ukraine Power Complex staff won the National CompetitionBenevolent Ukraine-2017”. The Plant was awarded with a decorationGood Angel in the nomination “Corporate Charity”.

6 April 2018 a system for collecting and processing employees files in safety culture addressed to managers was put in trial operation at SU NPP.

12 April 2018 – nearly two thousand members of South Ukraine Power Complex Union took part in a warning strike in support of an initiative of Ukraine Power Men Union to arrange a protest action demanding a reasonable nuclear electricity tariff, Energy Market debt repayment to NNEGCEnergoatomand nuclear industry problem solution.

17-25 April 2018 – SU NPP hosted the IAEA Pre-SALTO Mission in the frame of the SALTO (Extrabudgetary Programme on Safety Aspects of Long Term Operation of Water Moderated Reactors) Mission. The SALTО Team reviewed six areas of SU NPP activity. Based on the results of the review of South Ukraine Unit 3 in terms of LTO, the IAEA experts concluded that the plant had made progress in the field of ageing management and initiated many activities to prepare Unit 3 for safe long-term operation.

29 May - 1 June 2018 - SU NPP hosted the WANO Technical Support Mission. The topic of the Mission was “Perfection of the processes connected with introduction and application of specialized simulators on the human factor”.

July 2018 – South Ukraine Unit 3 became the first Unit in Ukraine to operate with Westinghouse fuel assemblies as the sole fuel source. During the outage, its reactor core was loaded with 163 robust Westinghouse fuel assemblies (RWFA). Therefore, an important stage of alternative fuel implementation at Ukrainian NPPs has been completed at South-Ukraine Unit 3. According to specialists calculations, the fuel assemblies of the mentioned design will increase South Ukraine Unit 3 capacity to 107% with no changes in RWFA design.

July-October 2018 – activities related to the replacement of turbine condensers were fully completed during the outage at South Ukraine Unit 1 – its two last shells were replaced. The first four shells were replaced during the Outage-2017. It made it possible to increase the performance efficiency of the first 1 GWe reactor to 40-50 MW.

July-October 2018 – all the action points described in the National Action Plan introduced in 2011 based on the results of post-Fukushima stress tests (post-Fukushima measures covered by the Comprehensive (Integrated) Safety Upgrade Programme) were fully implemented at South Ukraine Unit 1. Within 7 years, 16 post-Fukushima measures were implemented at South Ukraine Unit 1. The last two measures – “Containment Filtered Venting System” (CFVS) and “Accident and Post-Accident Monitoring System instrumentation” (PAMS)were implemented during the outage-2018.

3-7 September 2018 - SU NPP hosted the WANO Member Support Mission. The topic of this mission wasImplementation of proactive safety culture”.

September 2018 – SU NPP completed activities on construction of a wing dam in water area of the Tashlyk water cooling reservoir. The plant completed the first stage of the project “Service water supply system upgrading. Operation of Units 1..3 on the Tashlyk water reservoir and South Ukraine spray cooling ponds”. The wing dam made it possible to separate the area of discharge water and the area of intake water that is used to cool down plant secondary process equipment. Now, a water circuit passes much longer distance before it enters the water intake facility. It makes it possible to reduce the temperature of the flow and, as a result, to generate supplementary energy.

26 October - 10 November 2018 – SU NPP held a WANO Peer Review (PR). Its difference is that for the first time it was performed in the so-called project-informed format, which involves the preparation of a much larger advanced information package, which is sent in advance to the WANO Regional Centre. According to the results of the PR, a team of leading international experts named the areas of activity of the nuclear power plant, where efforts should be made to bring them in line with world best practice, and identified strengths in the work of the facility, which can be further presented to the world nuclear community for study and application at other sites.

November 2018 – SU NPP received the thousandth fuel assembly for WWER-1000 type reactors manufactured by Westinghouse (USA) as part of RWFA reloading batch.

November 2018 – SU NPP Health Department was replenished with new modern equipment. The facility purchased a modern hematology analyzer, thermograph, class C ambulance (reanimobile).

2 December 2018 – SU NPP Unit 1 successfully completed five years from the date of signing by the SNRIU Board of a license for long-term operation. Since the extension of the life cycle, the first national millionaire unit, which has had its design life extended, has produced about 33068 million kWh electricity, and for the entire service life - more than 173 billion kWh.

4 December 2018 - an expert council of nuclear energy veterans was established at SU NPP. The task of the new advisory body under the Director General of the South Ukraine Power Complex is to improve the fundamental principles of safety culture, participate as independent experts in investigations of violations of production processes, develop modifications of systems and equipment, create an atmosphere of respect and openness in the team as well as the transfer of experience to the young generation of SU NPP.

6 March 2019 – SU NPP Unit 2 was brought to the level of thermal capacity of 3045 MW, which corresponds to 101.5% of the design capacity. 45 above-design thermal megawatts of power allow to receive about 15 additional electric megawatts from the power unit. The specifics of this modification was a “mixed” core, which includes “Westinghouse” and “TVEL” fuel assemblies.

8 April 2019 - Mykola Feofentov, Chief Engineer of SU NPP, became one of the winners of the State Prize of Ukraine in the field of science and technology in 2018. The prize was awarded for the work “Development and implementation of steam turbines condensers of nuclear power plants”.

17 April 2019 - the staff of the South Ukraine Power Complex became the winner of the National competition “Charitable Ukraine-2018”. This was the second award won by the staff of the Power Complex for providing charitable assistance to the elderly in the long-term action “Veteran”.

April, September 2019 - at SU NPP Units 2 and 3, respectively, functional tests of Holtec transfer container were carried out. Test result: the equipment complies with the design documentation and is compatible with the NPP equipment.

June 2019 – during outage at SU NPP Unit 2, the reloading machine was modified - its control system was updated. The reconstruction was carried out as part of the Westinghouse nuclear fuel expansion program, as well as the implementation of spent nuclear fuel handling technology using HOLTEC containers.

October 2019 – SU NPP put into trial operation a modified reloading machine of power Unit 1. During the outage, the hardware and software complex of the control system was replaced here. As a result of loading the core of the first “millionaire” with fuel assemblies and shipment of spent nuclear fuel from the spent fuel pool was performed with the help of the updated reloading machine.

30 September – 31 October 2019 - the active phase of the public hearings process on the issues of safety justification of Unit 3 life extension and possible impact on the environment was completed in the SU NPP monitoring area. The total number of registered participants was 1315 people. 118 of them represented 16 public organizations.

November 2019 - a unique work for Ukrainian nuclear power plants was carried out at SU NPP Unit 3 - cleaning of the turbine oil system from internal deposits, which led to accelerated degradation of lubricants. This will solve the problem of the quality of the fire-resistant fluid in the lubrication system of the turbine and turbine feed pumps.

November 2019 - replacement of the turbine condenser at SU NPP Unit 3 For the first time in Ukraine, the condenser on the high-speed turbine K-1000-60/3000 was replaced. This was one of the important steps towards extending the unit life, it helped to increase the efficiency of the unit as a whole.

November 2019 - during the outage at SU NPP Unit 3, in parallel with the replacement of the turbine condenser, a unique work was performed - replacement of the tube bundle of condensers of turbine feed pumps of rows A and B. Tubes made of copper-nickel alloy were replaced with stainless steel ones, which contributed to increased quality of circulating water.

18-22 November 2019 - a comprehensive inspection of the readiness of Unit 3 for operation in the above-design period was conducted at SU NPP. The next obligatory step towards obtaining the right to long-term operation has been passed.

17 December 2019 - public hearings were held in Yuzhnoukrainsk on the issue of extending the life of SU NPP Unit 3. The event was organized by SNRIU. 874 people took part in the public hearings, 111 of them were representatives of public organizations and mass media.

23 December 2019 - at the meeting of the SNRIU Board it was unanimously decided to approve the Conclusion of the State Expertise on Nuclear and Radiation Safety Report on Periodic Safety Reassessment of SU NPP Unit 3, to recognize the possibility of safe operation of the unit, to set the date of the next periodic safety assessment of this power unit - February 10, 2030.

23 December 2019 - SNRIU approved a technical decision on the commissioning of the SU NPP Unit 1 at commercial operation at a permitted thermal capacity of 3045 MW. The adopted decision of SNRIU was preceded by 3 years of successful experimental operation of the first unit at 101.5% of the design capacity. 45 above-design thermal megawatts of power allow to receive about 15 additional electric megawatts from the power unit.

26 December 2019Hrygoriy Plachkov, the Head of SNRIU, granted a license to the President of NNEGCEnergoatomPavlo Pavlyshyn for the right to carry out activities at the life cycle stage “operation of Unit 3 nuclear facility”. SU NPP was the first domestic nuclear power plant to receive a license to continue operating a power unit with WWER-1000 reactor type till the end of the design period.

28 December 2019 - NNEGC “Energoatom” received a permit for the commercial operation of Westinghouse nuclear fuel at Unit 3. The relevant document was signed by SNRIU based on the results of experimental operation that demonstrated a safe, reliable and efficient operation.

December 2019 – 90.3% of SU NPP employees concluded health insurance contracts (HIC) for 2020. SU NPP’s experience in health insurance was disseminated within NNEGC “Energoatom” – a HIC project was implemented at the expense of the company’s fund. Each employee who concluded a health insurance contract received a targeted financial assistance for the payment of a policy in the amount of UAH 7,000.

13-17 January 2020 – at South-Ukraine NPP there was conducted a pilot Member Support Mission by WANO on a new topic “Focus-group method in Safety Culture Assessment as well as human and organizational factor analysis during NPP event cause investigation” for the first time among Ukrainian NPPs. The experts from the regional center of the Association conducted training studies with SU NPP staff and as a result, provided a report with the recommendations.

3 March 2020 – SU NPP generated 600 billion kilowatt-hours of electricity since the start of operation.

March 2020 – SU NPP took all possible measures to prevent the spread of the coronavirus among the company’s employees to preserve the health and working ability of the staff.

20 March 2020 – in accordance with the decision of the Cabinet of Ministers of Ukraine, a strict quarantine was introduced in SU NPP satellite town. Entry and exit of the population from/to the settlement was restricted. The pass control procedure was introduced.

24 March 2020 – a special regime of work and rest was introduced for the personnel critical for SU NPP operation. Technical management group and operations staff, whose workplaces are located in MCR of power Units 1,2,3 were switched to the isolation regime. On the basis of Health Care Center “Iskra” there were created all necessary social and living conditions for accommodation, food and rest for the isolated staff for the quarantine period.

May 2020the turbine control system was upgraded at SU NPP Unit 2. The works were implemented under the “Upgrade Programme for NPP units to participate in the rated primary frequency control in the United Power Grid of Ukraine.” Power Unit 2 is one of the pilot ones within the programme implementation.

28 June 2020 - the reactor core of SU NPP Unit 2 was fully loaded with Westinghouse fuel assemblies (163 fuel assemblies of the modified design (TVS-WR)).

July 2020  -for the first time in Ukraine, the flow path of the high-pressure cylinder was retrofitted at SU NPP. This enabled to enhance the equipment reliability, increase the efficiency and thus to achieve an increase in capacity as well as to increase the duration of the inter-repair period.

2 September 2020 – the electric capacity of SU NPP Unit 2 was increased by 20 MW. Such parameters were achieved due to a set of works performed within the scheduled outage. The main among those was the modernization of the rotor of the high-pressure cylinder. Replacement of the turbine condenser implemented during the outages of 2015-2016 also allowed operation at 1020MW capacity with the same thermal parameters of the reactor of power Unit 2.

2 October 2020WANO Follow-Up Mission was completed at SU NPP. The programme of WANO expert visit was based on the results of Peer Review held in 2018. Eight AFIs out of nine ones obtained the grade B, which means that the company has made significant progress in this area and keeps control of it. Experts gave the highest grade for Emergency Preparedness area.

10 October 2020 – testing of Unit 3 turbine excitation system were successfully completed at SU NPP. The works were carried out meeting the conditions of the Agreement for future integration of United Power Grid of Ukraine into European Power Grid (ENTSO-E).

December 2020 – for the first time at SU NPP site, as well as in the world practice, activities on the restoration of operational characteristics of Westinghouse FAs (TVS-W) under the conditions of fresh fuel area were successfully implemented. The result of the successful work was the restoration of 20 FAs with the possibility of their further loading into the reactor core to use in fuel cycles that in turn will save the financial resources of NNEGC “Energoatom”.