Energy Utility Managers: Ukrenergo, Naftogaz, DTEK, Energoatom Leadership

Russia's strategy of systematically attacking Ukraine's civilian energy infrastructure — concentrated in the winter campaign waves of 2022–2023 and 2023–2024 — placed the leaders of Ukraine's major energy utilities in an extraordinary position: managing the defense, repair, and continued operation of critical systems under the most sustained attack on civilian energy infrastructure in European history since World War II. Ukrenergo's transmission grid, Naftogaz's gas networks, DTEK's thermal and wind generation assets, and Energoatom's nuclear power plants each faced specific attack patterns targeting their critical components. The utility executives who led these organizations had to simultaneously manage ongoing operations, direct repair teams working under active attack conditions, procure replacement equipment on a global market with constrained supply, negotiate with international partners for emergency support, and communicate with the Ukrainian public about power outages and restoration timelines — all while their own staff faced the same wartime conditions as all Ukrainians.

Volodymyr Kudrytskyi: Ukrenergo

Volodymyr Kudrytskyi has served as CEO of Ukrenergo — Ukraine's national power transmission company, operator of the high-voltage grid — through the entirety of the full-scale war. Ukrenergo operates the 750kV and 330kV high-voltage transmission infrastructure that moves electricity from generation plants (nuclear, thermal, hydro) to regional distributors. Russian missile campaigns specifically targeted Ukrenergo's high-voltage substations and transformer equipment — the critical nodes that convert and distribute high-voltage electricity. Kudrytskyi became one of Ukraine's most active energy diplomats: traveling to European capitals to procure replacement transformers (manufactured by only a handful of facilities globally), coordinating with ENTSO-E (the European electricity network coordinating body) for the historic synchronization of Ukraine's grid with Europe's continental grid in March 2022, and communicating to donors the specific equipment needs that would most impact system restoration. Ukrenergo's March 2022 synchronization with the European ENTSO-E Continental Synchronous Area — achieved under wartime pressure — was a geopolitically significant energy integration milestone.

Energy Sector Leadership Overview

Oleksiy Chernyshov and Naftogaz

Naftogaz — Ukraine's state oil and gas conglomerate — faced the dual challenge of the war: losing gas production and transit revenues from Russian-controlled territory, while simultaneously managing gas supply security for the entire country without Russian gas imports (which Ukraine had already been weaning itself from through diversification programs begun after 2014). Oleksiy Chernyshov, appointed Naftogaz CEO in 2020, navigated the complex relationship between Naftogaz's commercial interests, Ukrainian gas transit (which continued through the end of 2024 under a contract under dispute), and national energy security. Naftogaz maintained the underground gas storage system that underpins Ukraine's heating season resilience — filling storage to maximum before each winter and managing drawdown through the heating season. European emergency gas supply assistance (reverse gas flow from Slovakia, Poland, and Hungary) supplemented domestic production and storage reserves.

Maxim Timchenko and DTEK

DTEK — Rinat Akhmetov's energy group and Ukraine's largest private power generator — operates thermal coal power plants, wind farms, and solar installations that collectively represent a major share of Ukraine's generation capacity. Maxim Timchenko as CEO managed the damage from Russian missile attacks that struck DTEK's thermal generation assets — including some of the most severe strikes that took major generation capacity offline in the spring 2024 campaign. DTEK's thermal plants were relatively concentrated targets: large industrial facilities with limited concealment options, dependent on supply chains for fuel and maintenance. The company mobilized private resources for rapid repair while simultaneously lobbying Ukrainian and European governments for emergency equipment support. DTEK's renewable energy operations (wind farms in southern and central Ukraine) showed greater resilience to missile attacks given their dispersed nature, while several solar installations in southern Ukraine were lost to Russian occupation.

Petro Kotin and Energoatom's Nuclear Crisis

Energoatom President Petro Kotin faced perhaps the most internationally consequential energy management challenge of the entire war: the Russian occupation of the Zaporizhzhia Nuclear Power Plant (ZNPP) — the largest NPP in Europe with six VVER-1000 reactors — beginning in March 2022. Kotin became the primary Ukrainian voice articulating the nuclear safety crisis created by Russian occupation: the loss of grid power connections threatening reactor cooling systems, the armed Russian military presence inside an operating nuclear facility, the dismissal of Ukrainian Energoatom staff under coercion, and the ongoing Russian military use of the ZNPP site as a logistics base and military firing position. His engagement with the IAEA Director-General Rafael Grossi established the basis for the IAEA monitoring mission that eventually placed resident inspectors at ZNPP — a presence that did not resolve the crisis but provided international visibility and documentation.

Frequently Asked Questions

How did Ukrenergo synchronize with the European grid under wartime conditions?

Ukraine's power grid synchronization with the ENTSO-E Continental Synchronous Area on 16 March 2022 — just three weeks after the full-scale invasion — was a technical feat accomplished under extraordinary circumstances. Ukraine and Moldova had been operating in island mode disconnected from both Russian and European grids since February 24 (the day of the invasion), which was coincidentally also the day planned for a test "island operation" that was part of the long-planned European synchronization project. The ENTSO-E network operators and Ukrenergo teams accelerated the final synchronization steps under wartime conditions, with the political weight of the moment (Ukraine seeking European integration under active attack) providing extraordinary political support for rapid technical decision-making. The synchronization allows emergency power imports from European countries when Ukrainian domestic generation is insufficient — a capability that became critically important during the winter missile campaigns.

What is the most critical equipment vulnerability in Ukraine's power system?

Large power transformers — particularly the 750kV and 300MVA+ transformers used in high-voltage substations — represent Ukraine's most critical and difficult-to-replace equipment. These transformers are custom-manufactured for specific applications, built in small volumes (the global market produces only tens of units per year), require months to manufacture, and weigh hundreds of tonnes requiring specialized heavy transport. Russia specifically targeted transformer equipment in its grid attack strategy — destroying or severely damaging transformers that cannot be quickly replaced from any available international supply. The global transformer supply chain was unable to meet Ukraine's replacement demand at the rate of destruction: Ukrenergo was forced to prioritize the most critical substations, operate some facilities with reduced or damaged equipment, and accept degraded grid performance while awaiting replacement equipment from manufacturers in Germany, the Czech Republic, Slovakia, and South Korea.

How has the gas transit situation with Russia evolved?

Ukraine continued to transit Russian natural gas to European countries (Hungary, Slovakia, Austria, and others) even while at war with Russia — the commercial transit contract that predated the war continued to expiration at the end of 2024. This paradoxical situation — Ukraine earning transit fees from Russian gas passing through its territory while Russian missiles destroyed Ukrainian energy infrastructure — reflected both contractual obligations and European energy security concerns during the transition to non-Russian gas sources. Ukraine and Russia chose not to renew the transit contract upon its expiration, with Ukraine citing the impossibility of an economic relationship with a state actively seeking Ukrainian destruction, and European gas buyers having completed their transition away from Russian gas sufficiently to survive without Ukrainian transit.

What is the status of Ukraine's non-ZNPP nuclear plants?

Ukraine's three non-ZNPP nuclear power plants — Rivne (four units), Khmelnytsky (two units), and South Ukraine (three units) — continued operating throughout the war and became increasingly critical to the overall grid following the ZNPP's removal from generation after its occupation. These plants conducted standard fuel loading cycles (with fuel supply transitioning from Russian TVEL to Westinghouse-produced fuel assemblies, a switch initiated before the war and accelerated after February 2022), maintained grid connections to the ENTSO-E-synchronized Ukrainian system, and provided the baseload generation that Ukraine's system depended on during winter heating seasons. Russian missile attacks occasionally targeted the grid connections feeding these plants, creating grid stability risks; plant operators and Ukrenergo transmission managers maintained emergency procedures for grid separation and blackout prevention under attack conditions.

How are energy utility workers protected during missile attacks?

Energy utility workers — repair crews, plant operators, substation maintenance teams — work in hazardous conditions that combine normal industrial risk with wartime attack risk. Protection measures include: air raid alert shelter protocols requiring cessation of outdoor work and movement to designated shelters during alerts; bunker construction at major facilities to provide hardened shelter capacity; personal protective equipment (body armor and helmets for some field crews operating in higher-risk regions); and operational scheduling to avoid predictable patterns that could make crews vulnerable to timed attacks. Despite these measures, energy sector workers have been killed at repair sites, substations, and generation facilities throughout the war. The combination of essential work requirements and attack risk creates ongoing moral and physical burdens on the workforce, managed partly through above-average compensation and strong occupational identity — the repair crews who restore power after strikes have become celebrated figures in Ukrainian public culture.

Sources

1. Ukrenergo. Grid Operations and Damage/Restoration reports. ukrenergo.energy, 2022–2024.
2. Naftogaz Ukraine. Gas Supply and Storage Annual Reports. naftogaz.com, 2022–2024.
3. DTEK Group. Generation and Grid Operations Reports. dtek.com, 2022–2024.
4. Energoatom / IAEA. Zaporizhzhia Nuclear Power Plant Safety Reports. iaea.org; energoatom.ua, 2022–2024.
5. ENTSO-E. Ukraine Grid Synchronization and Emergency Solidarity Import Reports. entsoe.eu, 2022–2024.