A survey of events in the field of nuclear and radiation safety relating to Russia and Ukraine.
After Russia’s full-scale invasion of Ukraine in February 2022, Bellona ceased its activity in the aggressor country. On 18 April 2023, the Russian general prosecutor’s office declared Bellona to be an undesirable organization.
However, we continue to monitor events in the field of nuclear and radiation safety relating to Russia and Ukraine, which we believe are of interest to foreign readers. We analyze the situation in order to assess the degree of Russia’s international influence on other countries and the risks connected with this. We present you with a survey of these events for August 2024 with comments by Alexander Nikitin and Dmitry Gorchakov, experts of Bellona’s nuclear project.
Follow the links to read the last three digests for July, June and May. Subscribe to our mailing list to make sure you don’t miss the next digest.
Military threats. In August, as in previous months, experts from the IAEA Support and Assistance Mission to Zaporizhzhia (ISAMZ) reported that practically every day they heard signs of military activity in the environs of the plant.
On 4 August due to the risk of shelling, Zaporizhzhia Thermal Power Plant (ZTPP) staff started a pump that transfers water from the ZTPP inlet channel to the ZTPP discharge channel later than planned (this transfer is important as it provides water to the ZNPP sprinkler pools).
The ISAMZ team reported that in the second week of August, military activity in the area of the plant had been very intense. The team heard frequent explosions, repetitive heavy machine gun and rifle fire and artillery at various distances from the plant.
On 9 August, ZNPP representatives reported that artillery had struck the power and water substation in Enerhodar, causing the failure of two transformers and leading to a citywide power outage that lasted until 11 August.
On 17 August, ZNPP representatives informed the ISAMZ team that an explosive carried by a drone had detonated just outside of the plant’s protected area, close to the essential cooling water sprinkler ponds and about 100 meters from the 750 kV power line. The experts, who were immediately able to visit the area, reported that the damage seemed to have been caused by a drone equipped with an explosive payload.
On 20 August due to reports of drone threats in the area, a planned walkdown of plant sites by the team was postponed to 26 August.
Fire at cooling tower 1. On 11 August, Russian representatives of the occupied ZNPP reported that one of the plant’s cooling towers had been attacked by drones, causing a fire (the ISAMZ team heard explosions at the same time that the Russian representatives reported that a drone had struck the cooling tower).
Rosatom claims that the fire began as a result of an attack by the Ukrainian army, while the Ukrainian side says that the cause of the fire was either negligence or arson. For example, they suggested that the Russians set fire to car tires in the cooling tower, causing thick black smoke to rise above the tower. Energoatom points out that ZNPP buildings and structures, including cooling towers, are used by the occupiers as facilities for storing weapons and military equipment, which significantly increases risks of fires breaking out.
Information appeared on social networks that a mobile diesel generator could be located in the cooling tower for powering electronic warfare equipment installed on the cooling tower.
The cooling towers are located to the north of the cooling pond outside the site, and their damage does not directly influence safety at the plant, as all units are in cold shutdown mode, but the IAEA notes that one cannot ignore the risk of fire spreading to other plant facilities that have high importance for nuclear safety.
On the morning of 12 August, the ISAMZ team was able to inspect the damaged cooling tower. They observed burnt areas in the internal equipment near the water nozzle distribution level (at a height of around 10 m), droplets of burnt plastic and fragments of fallen concrete distributed across the cold-water basin at the base of the cooling tower. Samples of the debris, including burnt and molten plastic, were collected.
The team requested access to the water nozzle distribution level (they could only see the lower part from the concrete foundation columns), and also to the cold-water basin (which they could only see from above), but were not permitted to access them.
The ISAMZ team also requested to accompany ZNPP staff who will be photographing the upper part of the water nozzle distribution level.
According to the ISAMZ experts’ assessments, there was no sulfur smell (from which they concluded that the fire had been more likely caused by burning plastic), and they also did not see remains of tires or drones.
The following day, 13 August, the ISAMZ team observed from ground level as ZNPP staff filmed and photographed the internal damage to the cooling tower, were immediately shown the photographs and footage, and were later provided with copies. No foreign objects or materials were visible in the video footage.
The team requested access to the second cooling tower in order to compare the inside of the structure and identify similar materials and specifications which may have been present in cooling tower 1 prior to the fire.
Immediately after this request, the ISAMZ team was “promptly accompanied back to a secure location due to an air raid alarm.”
IAEA Director General Rafael Grossi commented that the Agency would continue to request access to the water nozzle distribution level of the damaged tower.
Other threats. In August, as in previous summer months, there were frequent fires in the environs of the ZNPP. Several times over the first days of August experts saw smoke at various distances from the plant and nearby villages. On 3-4 August smoke was observed coming from an area to the north of the ZNPP, near the ZTPP inlet channel. The plant confirmed that the fire was underneath the overhead cables of the Dniprovkska 750 kV and the Ferosplavna-1 330 kV lines – the last two remaining external power lines for the ZNPP.
On 22 August, ZNPP representatives reported that the plant’s 330 kV back-up power line was disconnected due to a short-circuit and was left with a single power source, the 750 kV line. They did not state the cause of the short-circuit or possible damage to the line, but the Ukrainian side reported that damage to the line took place as a result of Russian shelling. The Ukraine dispatch service put the line under maintenance and it was reconnected on 23 August.
ZNPP maintenance. On 7 August four diesel steam generators for processing accumulated liquid radioactive waste (around 1000 m3) were put into operation (they were installed with this purpose in January 2024 and are being put into operation as the need arises).
On 2 August, maintenance was completed on the safety train and emergency diesel generator of unit 1, which were put into standby mode. Maintenance continues on the safety systems of unit 6 and also on the main transformer of unit 3. One of the breakers for the automatic transfer that connected the 750 kV switchyard to the 330 kV switchyard was placed under maintenance.
Military threats at other nuclear facilities in Ukraine. The IAEA missions at the Khmelnytsky, Rivne and South Ukraine NPPs, and also the Chernobyl NPP, reported continuing air raid alarms. As a consequence of Russian attacks on the electrical infrastructure of Ukraine, at the Khmelnytsky and Rivne NPPs the power levels of some reactor units were temporarily lowered due to grid limitations.
The Permanent Mission of Ukraine to the International Organizations in Vienna informed the IAEA that around 19-21 August Russian drones were detected by the South Ukraine NPP. They flew in the immediate vicinity of the plant, and the debris of one drone was found at a distance of 1.7 km from the industrial site of the plant.
On 26 August, as a result of an attack power units 1, 3 and 4 of the Rivne NPP were disconnected from the grid, and power to other units was decreased to a total level of 1,800 MW, and later that day power unit 3 of the South Ukraine NPP was disconnected due to problems in the power grid.
In late August attacks also affected the power supply of the Khmelnytsky and Chernobyl NPPs (there was not a complete loss of power).
Information on walkdowns by the team of experts described in July in IAEA updates and information circulars of the Permanent Mission of the Russian Federation in Vienna (this information is given in italics):
– Unit 2: main control room back-up diesel electric station, turbine hall. The IAEA update states that experts were not allowed to access to the western part of the turbine hall.
– Unit 1: electrical equipment, automation and measurement rooms.
– Unit 2:Containment, cooling pond, main circular pump, steam generators and other equipment; main control room, backup diesel power station. Present during testing of the second safety system train.
– Unit 3: unit transformer, backup auxiliary transformer 1 and 2, turbine hall (experts were not permitted access to its western part).
– Unit 4:turbine hall (experts were not permitted access to its western part).
– Unit 6: third safety system train, observed hydraulic testing of heat exchangers.
– Hydrotechnical structures of the plant (checked the level of ground waters in wells, examined drainage pumps, sprinkler pools, recirculating pump of unit 4).
– Unit 2: present at tests of the first safety system train.
– Unit 3: containment, cooling pond, main circular pump, steam generators, reactor section; present at tests of the third safety train.
The Euratom Supply Agency (ESA) published its annual report surveying supply and demand for nuclear fuel in EU countries for 2023.
The report states that in 2023 requirements of natural uranium in the EU came to around 22% of world requirements. The volume of purchases grew in comparison with 2022 by 24% – in 2023 14 578 tons of uranium were purchased against 11 724 tons in 2022. Russia remains one of the four main uranium suppliers, holding second place after Canada (including natural uranium contained in enriched uranium product).
European organizations bought 3 419 tons of uranium (23.45%) from Rosatom, which is 72.99% more than in 2022. Canada’s share came to 33%, the volume of purchases increased 86% from the previous year, Kazakhstan’s was 21%, 2.7% less than in 2022, Niger’s was 14.3%, a drop of 30%.
In 2022, the main suppliers of natural uranium were distributed differently: Kazakhstan 26.82%, Niger 25.38%, Canada 21.99%, Russia 16.89% (including natural uranium contained in enriched uranium product).
The volume of conversion services compared with 2022 grew by 22%, coming to 13 364 tons of uranium. Here Russia’s share was 26,5%, 3 543 tons, which is 45% more than in 2022.
Also in 2023 there was a 12% increase in services delivered for uranium enrichment, coming to 12.3 million SWU. In this segment, Russia’s share was 37.9% (4.6 million SWU), compared to 30.2% in 2022. The largest supplier of conversion services remains Orano (the Philippe Coste facility).
The report states that the EU and its allies took a number of restrictive measures after Russia’s invasion of Ukraine in 2022, concerning organizations, individuals and certain forms of activity, transport and trade. Although nuclear fuel and services connected with it have not come under direct restrictions, various problems have arisen affected transport routes, in particular nuclear fuel logistics and related financial transactions. The USA is also moving towards banning the import of Russian enriched uranium in 2027. So concerns are expressed that markets may become even tougher and more restrictive, taking into account dependence particularly on conversion and enrichment capacities, and also on fuel deliveries for the operation of reactors of Russian design.
On 23 August Kazatomprom published financial results for the first six months of 2024 and reported an update in production plans for 2025 arising from the continuing uncertainty on supplies of sulfuric acid for 2025, and delays in schedules of construction works at new sites.
One of these sites is field developed by the JV Budenovskoye LLP in which Uranium One Group, an affiliated structure of Rosatom, has owned a 49% share since mid-2023, and Kazatomprom owns 51%. Delays in putting ground infrastructure facilities into operation have shifted plans for mining preparation works: in 2024 -500 tons (the previously established level was 2500 tons according to the CPR report), in 2025 1300 tons (previously approved level of 4,000 tons), in 2026 3,750 tons (previously approved level 6,000 tons) with reaching planned capacity not expected before 2027. (100% of the volume of Budenovskoye’s production in the period from 2024-2026 is completely reserved for raw-material provision of the Russian civic nuclear energy industry on market conditions under offtake contacts).
The lag behind in the schedule on this site has a considerable impact on the adjustment for production in 2025. Based on all the factors taken together, the company reduced its production expectations by 5,000 tons (from the previously planned 30 500 – 31 500 tons to 25 000 – 26 500 tons). It notes that the adjusted figures will still be approximately 12% higher than the predicted figures for 2024.
Commentary by Bellona:
Events in the Russian nuclear sector and in Rosatom’s projects abroad
On 6 August, Ukrainian troops crossed the border with Russia into the Kursk Oblast and took control of a section of Russian territory. Reports began appearing in the media that the attack could lead to a military threat to the Kursk NPP, located 60 km from the Ukrainian-Russian border. Two units of this plant with RBMK-1000 reactors are in shutdown mode, operating without generation, and the other two RMBK-1000 reactors are working. Construction of two VVER-510 units is also underway.
The Russian Permanent Mission at international organizations in Vienna reported that on 8 August fragments of downed missiles were detected at the Kursk NPP, including in the area of the complex for processing radioactive waste.
“Cases of direct shelling of the town of Kurchatov, the NPP and energy infrastructure facilities have not yet been recorded,” the report stated.
On 9 August, Rosatom director general Aleksey Likhachev held a telephone conversation with Rafael Grossi, on Likhachev’s initiative. Likhachev emphasized that “the actions of the armed forces of Ukraine create a direct threat not just for the Kursk NPP, but for the development of the entire nuclear energy sphere.” Rosatom also reported that on the evening of 9 August the transformer substation suffered a malfunction, causing a blackout in Kurchatov. The report states that the Kursk NPP itself continues to work according to schedule. However, in connection with the announcement of a federal-level emergency situation in this region, there was a reduction in staff numbers on the construction site of the Kursk NPP new power units.
Later, on 9 August, IAEA director general Rafael Grossi issued a statement calling for both sides to remember the seven indispensable pillars for ensuring nuclear safety and security during an armed conflict established by the IAEA after Russia’s invasion of Ukraine and the capture of the Chernobyl and Zaporizhzhia NPPs, and to show “maximum restraint”. These pillars include the imperative to ensure the physical integrity of a nuclear power plant, regardless of where it is located.
As far as the operation of the plant according to schedule is concerned, on 15 August the World Association of Nuclear Operators (WANO) completed a mission at Kursk NPP-2 where the team observed staff working in the main control room on a full-scale simulator.
On 17 August, Likhachev and Grossi held another telephone conversation. They discussed the situation surrounding the Kursk and Zaporizhzhia NPPs (on 11 August one of the cooling towers at the ZNPP was damaged by fire). Rosatom reported that in Kurchatov on 14 August as the result of a “Ukrainian army drone atack an explosion took place in the open switchyard. Fortunately, no one was injured. Air raid alarms go off in the town 10-12 times a day. Over the last 24-hour period there have been 21 of them.”
The Russian side also claimed the Ukrainian army was planning a provocation at the Kursk NPP and the ZNPP (Ukraine refuted these allegations, saying that this was not the first case that Russian had spread propaganda of this kind).
Likhachev invited Grossi to visit the Kursk NPP and “personally assess the situation unfolding around an operating nuclear facility.”
On 22 August, Russia informed the IAEA that fragments of a drone had been found at the Kursk NPP site. They were allegedly found approximately 100 meters from the plant’s spent nuclear fuel storage facility. (Details or documentary evidence were not provided).
On 26 August, Grossi announced in a general statement: “Since new developments and increased levels of military activity in the vicinity of the KNPP, I have been closely following developments on the ground, especially with respect to the plant. It is important that when the Agency is called upon to fulfil its mandate to ensure that nuclear is used in a peaceful manner, we are present. It is also important that when the international community needs an independent assessment of the safety and security of a nuclear facility, we will be there.”
Grossi visited the Kursk NPP at the head of the IAEA delegation on 27 August, where they were given a tour of Units 3 and 4 (RMBK-1000) and were briefed on the progress of construction of the second section of the KNPP. “The IAEA director general personally saw the marks of strikes made by the Ukrainian army on the industrial site of the Kursk NPP, and had the opportunity to assess nuclear safety risks created by attacks on the facility,” Rosatom reported.
Speaking with journalists after the visit to the plan, Grossi said that at present the Kursk NPP was currently still operating very close to normal conditions, but that this makes the security situation even more serious when fighting is taking place in the region, as the RMBK-1000 reactors have no containment dome.
Paks-2 NPP, Hungary. On 1 August, the first large piece of equipment, a molten core catcher, was delivered to the construction site of the Paks-2 NPP. The equipment components for unit 5 were delivered from Russia by sea from Volgograd via Turkey (Istanbul), Romania (Constanța) and Serbia to Paks in Hungary.
Akkuyu NPP, Turkey. On August 22, the lower dome section of the outer protective dome was installed in final position at the Unit 1. On 14 August the fifth tier of the inner protective dome was installed at the Unit 3.
Kudankulam NPP, India. On 13 August, the Times of India reported that India and Russia were working on a deal worth 105 billion rupees (over USD 1.2 million) for the supply of nuclear fuel (initial load and five subsequent reloads) and core components for the reactors of units 3 and 4 in the period from 2025 to 2033, along with control rods and fuel assemblies.
The paper also reported that the two countries are also looking at the possibility of creating a joint venture with Rosatom for manufacturing nuclear fuel for the Kudankulam NPP in India.
Rooppur NPP, Bangladesh. On 15 August, Touhid Hossain, foreign advisor to the Bangladesh interim government (formed after the regime change following mass protests in June) stated at a meeting with Russian ambassador Alexander Mantytsky in Dhaka that the Bangladesh government would continue its cooperation with Russia in areas of mutual interest “…particularly in establishing the Rooppur NPP project…” The physical launch of unit 1 is planned for December this year.
Meanwhile, on 21 August the transport lock was delivered to the construction site of unit 2 (part of the nuclear fuel system).
Xudapu NPP, China. On 14 August the reactor shell and steam generator for unit 4 of the Xudapu NPP were dispatched from the Atommash production site.
Tianwan NPP, China. On 21 August, the Petrozadovskmash plant (part of the Rosatom machine-building division) dispatched the first of four shells of the main circulating pumps for unit 8. On 27 August equipment was delivered to the construction site of unit 8, including two steam generators, a reactor shell and pressure compensator (dispatched from Atommash in June).