Articles / Opinions

Recent commentary has suggested that Greece exports surplus renewable electricity to Bulgaria during the middle of the day, when solar PV output peaks and wholesale electricity prices are low, only for Bulgaria to store part of this electricity and sell it back to Greece at a higher price after sunset. While this narrative has gained…

Against the backdrop of increasingly frequent and intense heatwaves across Europe, Maria-Christina Doulami, Communications Officer at The Green Tank, explores the vital role of nature in addressing the climate crisis in her latest opinion piece for HuffPost Greece titled “Nature Is Our Natural Air Conditioner. Why Do We Continue to Invest So Little in It?”. Forests, wetlands, seagrass meadows and urban green spaces are not only havens for biodiversity—they are essential natural infrastructure that cool our cities, reduce climate risks and strengthen the resilience of our communities.

In an article published by Chronos Kozanis, Nikos Mantzaris, Lead Policy Analyst and Co-founder of The Green Tank, examines Greece’s lignite exports to North Macedonia during the 2022–2026 period, shedding light on an aspect of the country’s lignite phase-out that has been at the center of public and parliamentary debate in recent years.

In an article on energypress.gr titled “Lignite is leaving, but the questions remain,” Nikos Mantzaris reflects on the permanent shutdown of the Agios Dimitrios Power Plant, the largest lignite-fired plant in Greece and one of the largest in the Balkans, after 42 years of operation.

In an article published on energygame.gr, Stavros Gennitsaris, Industrial Policy Associate at The Green Tank, highlights the potential of Green Public Procurement (GPP) as a lever for decarbonizing the cement industry.

In her article published in Ergoliptikon Vima titled “Energy and buildings: The new landscape of efficiency and sustainability”, Εnergy policy analyst Ioanna Souka highlights the pivotal role of buildings in the energy transition and the new landscape taking shape at both European and national level.

In an article for energypress, Ioanna Souka, Energy Policy Analyst at The Green Tank, emphasizes that supporting unnecessary gas plants comes at a cost to consumers. The recent ENTSO-E power adequacy study (ERAA 2025) shows that a large portion of gas plants in Greece (3.6–4.1 GW out of a total 7.9 GW) is expected to face economic viability challenges. Any new investment in gas-fired units beyond those included in the National Energy and Climate Plan (NECP) entails high investment risk and ultimately increases costs for consumers.

In his article for Oikologiki Enimerosi (Ecologica News), Nikos Mantzaris, Policy Lead Analyst and Co-Founder of The Green Tank, examines the progress of Greece’s lignite phase-out and assesses whether it has been accompanied by a truly just and socially responsible transition for lignite-dependent regions.

In an article as part of a special edition with ELIAMEP’s forecasts for 2026, published in Ta Nea, titled “Climate crisis heating up, climate policy in retreat”, Nikos Mantzaris, Chief Policy Analyst and co-founder of The Green Tank, examines one of the defining contradictions of our time: while the climate crisis is intensifying at an accelerating pace, climate policy at both European and national level is retreating dangerously.

In an article for energypress, Nikos Mantzaris, policy analyst and co-founder of The Green Tank, examines ENTSO-E data and clarifies the factors behind the drop in electricity prices in Greece on November 26, 2025.

The energy transition is advancing, but one crucial question remains: are the funds truly reaching citizens and investments, or do they remain on paper? In her article in Efimerida ton Syntakton, Ioanna Souka, Energy Policy Analyst at The Green Tank, sheds light on the significant delays in deploying resources from the Recovery and Resilience Facility — and the social and economic costs of these setbacks.

In his article on energypress, titled “The weakening of ETS2 as a risk for the European climate strategy”, Nikos Mantzaris analyzes the recent announcement by the European Commission to consider changes to the new Emissions Trading System (ETS2) for buildings and road transport, following a request from 19 Member States, including Greece.

In her article for New Money, Maria-Christina Doulami, Communications Officer at The Green Tank, reviews the latest data on the climate crisis in Greece and worldwide, emphasizing the urgent need for action.

In her article published on energypress, Ioanna Souka highlights that citizen participation is a prerequisite for a fair and sustainable energy transition.