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Iran Conflict 2026
29APR

Russian strikes cut Ukraine's grid links

3 min read
09:17UTC

Russia is targeting the high-voltage lines that carry power between Ukraine's regions, and a guided bomb killed 23 people in a Zaporizhzhia apartment block.

ConflictAssessed
Key takeaway

Russia is cutting the power lines that let Ukraine share electricity between regions.

Russia has stepped up strikes on the high-voltage lines that move power between Ukraine's regions, First Deputy Energy Minister Artem Nekrasov said on 9 October. The grid "has temporarily lost some of its capacity to transmit electricity to consumers"⁠1. On 8 October a Russian strike on an energy facility in Sumy region killed one energy worker and injured three. On the morning of 9 October homes in Kyiv and in seven regions, from Kharkiv to Odesa, had no power, and emergency cuts replaced published schedules in parts of the capital.

Nekrasov's ministry named the transmission lines, rather than power plants alone, as the target. Those lines let operators send power from one region to cover a shortfall in another, and that capacity is what the grid has lost. The ministry has asked Ukrainians not to share material that could help the enemy, and it reports "without unnecessary detail". Lines in the south were already exposed: the Russian-occupied Zaporizhzhia Nuclear Power Plant lost its last off-site power line on 20 August.

On 10 October a Russian guided aerial bomb, an unpowered bomb with wings released far from the target, collapsed a section of a three-storey apartment block in Zaporizhzhia city. The State Emergency Service of Ukraine said 23 people were killed, four of them children, and 32 injured, three of them children⁠2. Rescuers had cleared about 320 tonnes of debris and ended the search on the morning of 11 October.

Deep Analysis

In plain English

Ukraine's electricity travels from power stations to homes over high-voltage lines, the large pylons that cross the country. These lines also move power from one region to another when one area is short. On 9 October a Ukrainian energy official said Russia is now attacking these lines more often. As a result, homes in Kyiv and seven regions had no power that morning. On 10 October a Russian bomb hit a three-storey apartment block in the city of Zaporizhzhia in southern Ukraine and killed 23 people, including four children.

Deep Analysis
Root Causes

Ukraine's grid was built as one Soviet-era system with large plants feeding long high-voltage lines. Dispersing generation has made plants harder to knock out, but it leaves the regional interconnections as the shared weak point.

Repair crews need months to replace high-voltage equipment. Large autotransformers at substations are custom-built and take months to deliver, so each successful strike on a node has a longer repair time than a strike on a single generator.

The Zaporizhzhia strike reflects a separate pattern. Guided aerial bombs are launched from aircraft dozens of kilometres away, so cities near the front, such as Zaporizhzhia, sit within routine range. The region's nuclear plant has lost off-site power repeatedly, most recently its last line on 20 August .

What could happen next?
  • Risk

    Damage to interregional lines could force rolling blackouts across whole regions in the coldest months, even where local generation survives.

  • Consequence

    Kyiv's offer to trade refinery strikes for grid strikes gains urgency as winter demand rises.

First Reported In

Update #28 · US licenses Russian diesel and turns on Kyiv

Ministry of Energy of Ukraine· 12 Oct 2026
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Causes and effects
This Event
Russian strikes cut Ukraine's grid links
Strikes on interregional transmission lines stop Ukraine moving spare power to where it is needed, ahead of winter.
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Written with AI from Lowdown's published reporting. Not individually reviewed by an editor. Editorial standards.