Meridian

MERIDIAN ENERGY

YourExpertGuidetoCentralandEasternEurope'sEnergyTransition

Central and Eastern Europe is no longer the EU's energy-transition laggard — it is now a frontier. With large under-served markets, significant EU funding flows, and active new regulatory frameworks, the region is undergoing a rapid transformation.

THE DATA

A Region in Rapid Transformation

Renewable energy surpassed coal for the first time in Three Seas Initiative countries in 2023. The numbers tell the story of a frontier, not a laggard.

39%
Of 3SI electricity from renewables in 2023 — surpassing coal for the first time
200 GW
Solar deployment potential across Three Seas Initiative countries by 2030
21.8 GW
Installed solar PV capacity in Poland alone by Q1 2025
83 GW
Combined onshore and offshore wind potential across the CEE region by 2030

OUR ANALYTICAL LENS

The 4Ds of Energy Transition

Each of the 4Ds has a distinct CEE character that differs from Western Europe. Meridian maps these dynamics across every country and sector we cover.

Decarbonisation
Poland remains the EU's most coal-reliant state at ~52% of electricity. EU ETS carbon prices and the Modernisation Fund are accelerating the shift away from fossil fuels across the region.
Decentralisation
Rooftop solar is booming — Poland's 21.8 GW includes 59% from microgeneration. Distributed energy is reshaping grids built for one-way power flows.
Digitalisation
Smart-meter rollout varies widely. The TwinEU digital-twin project (€25.2M) includes pilots in Hungary, Bulgaria and Slovenia. NIS2 cybersecurity compliance lags in several states.
Democratisation
Energy communities are emerging under the EU Clean Energy Package. Poland's Clean Air Programme has contracted over €9.4 billion for household heating replacement.

GEOGRAPHIC SCOPE

Three Overlapping Regions, One Transforming Frontier

Meridian covers three interconnected groupings that define Central and Eastern Europe's energy landscape — from EU Member States to Energy Community partners and the Three Seas Initiative.

CEE EU Member States
Poland, Czech Republic, Slovakia, Hungary, Slovenia, Croatia, Romania, Bulgaria, Estonia, Latvia, Lithuania — with Austria as the regional hub.
Energy Community Parties
Ukraine, Moldova, Georgia, and the six Western Balkan economies — committed to implementing the EU energy acquis.
Three Seas Initiative
12 EU states between the Baltic, Adriatic and Black Seas — the core investment and infrastructure corridor.

THEMATIC TRACKS

Where the Transition Is Happening

From aging Soviet-era grids to cutting-edge hydrogen strategies, CEE's energy transformation spans multiple interconnected domains.

Grid Modernisation
CEE grids face aging infrastructure, rapid distributed generation growth, and rising electrification. IRENA estimates ~USD 670 billion in annual global grid investment is needed through 2030.
District Heating
A defining feature of CEE urban energy. Extensive networks in Warsaw, Prague, Budapest and beyond can integrate waste heat, heat pumps, geothermal and solar thermal for deep decarbonisation.
Hydrogen & New Fuels
Active hydrogen strategies in Poland, Czechia and Romania. Deployment expected in waves — domestic industrial use first, then ammonia exports and grid blending, then scale-up for shipping and aviation.

THE HUB

Grounded in Vienna, Connected Across the Region

Vienna is the natural convening point for CEE energy policy and expertise. The Energy Community Secretariat has been headquartered here since 2006, alongside leading research capacity through TU Wien and AIT, major utilities including Wien Energie, VERBUND and OMV, and a geographic and historical bridge between Western and Eastern Europe.

Explore the Energy Transition Across CEE

From grid modernisation to hydrogen, district heating to industrial decarbonisation — grounded in data, aware of context, useful to policymakers, industry, finance, innovators and academia alike.

© 2026 Meridian