All articles by Mirela Petkova

Mirela Petkova


Mirela Petkova is a freelance journalist and data researcher based in Sofia, Bulgaria, who has worked with Energy Monitor since 2020. She previously worked at the Clingendael China Centre in the Hague, where she examined the governance of China's Belt and Road Initiative in South East Asia and eastern Europe, including its environmental and energy aspects.

Russia’s war in Ukraine inspires Turkish gas dreams

Turkey takes its first steps towards becoming a gas hub, even as it imports virtually all the gas it consumes and struggles to get its energy transition off the ground.

Weekly data: Norway is now Germany’s top gas supplier

Norway is already the world’s third-largest gas exporter. Now, it has become Germany’s largest single source of gas.

US states can slash building emissions by updating energy codes with new climate funds – ACEEE

US states could cut energy use in new buildings by as much as a third by updating weak or non-existent energy codes with new federal funds, finds a report by the American Council for an Energy-Efficient Economy.

Weekly data: A submarine electricity cable is coming under the Black Sea

European Commission President Ursula von der Leyen has hailed the undersea cable as an energy security project, but could it lead to overdependence on Azerbaijan?

Weekly data: Germany’s ‘traffic light coalition’ is not on track to meet its energy transition targets

A year has passed since Olaf Scholz and his government took the helm of Europe’s biggest economy. In this year, Germany’s energy transition has been too slow for its 2030 targets.

Weekly data: Copper demand is outrunning supply

Copper reserves are plentiful, but development of new mines is likely to fall behind growing global demand.

Weekly data: Nord Stream ruptures may be single biggest methane leak ever recorded

Ruptures in the Nord Stream pipelines have caused massive methane leaks, but these are dwarfed by methane emitted by the oil and gas industry each year.

Bulgaria’s stalled energy transition

Bulgaria’s slow renewables deployment and adoption of natural gas cannot be blamed on political instability.

Weekly data: South Asia suffers from climate change but sticks to fossil fuels

Millions across South Asia are suffering from extreme weather exacerbated by climate change. Yet the region’s energy mix remains fossil-based.

Weekly data: Ukraine War boosts renewable energy PPAs in Europe

Power purchase agreements (PPAs) for renewable energy have grown fivefold in five years in Europe. Now Russia’s war in Ukraine is boosting demand further as governments look to replace natural gas.