Energy problems have plagued Ukraine and Europe as much of the Russian-occupied region.

The place home to a largely crippled nuclear power plant was reported temporarily in blackout.

Only one of six reactors at the Zaporizhzhia facility was connected to the electricity grid, and Russia’s main pipeline carrying natural gas to Germany remained shut down.

The fighting in Ukraine and related disputes over pipelines lie behind the electricity and natural gas shortfalls.

Issues will take center stage this week. U.N. nuclear agency inspectors are scheduled to brief the Security Council on Tuesday.

European Union energy ministers were slated to hold an emergency meeting Friday in Brussels to discuss the bloc’s electricity market.

Much of the Zaporizhzhia region, including the key city of Melitopol, lost power Sunday.

But electricity was gradually being restored, said Vladimir Rogov, the head of the Russia-installed local administration in Enerhodar

While Rogov said no new shelling of the area around the six-reactor Zaporizhzhia plant was reported Sunday.

The International Atomic Energy Agency said Saturday that the plant was disconnected from its last main external power line.