Europe's Solar Fleet Saved €20 Billion in Gas Imports and Became the EU's Largest Power Source

These savings flow from solar electricity replacing gas-fired generation at elevated prices. The benchmark Dutch TTF natural gas price surged by around €20 per MWh after the conflict began .

Forward estimates carry significant uncertainty. If gas prices surge further, SolarPower Europe estimates the 2026 total could reach €67 billion, and cumulative savings by 2030 could hit €170 billion under its Medium deployment scenario . These projections depend on volatile gas markets and are from an industry association.

Three Landmark Milestones in Solar's Rise

Even before the war, EU solar power had been shattering records. Three milestones mark the structural shift:

1. Solar Overtook Coal in 2024

Solar generated 11% of EU electricity in 2024, surpassing coal (below 10%) for the first time, according to Ember's European Electricity Review . This was part of a decade-long transformation: renewables rose from 34% of EU power in 2019 to 47% in 2024, while fossil fuels fell to a historic low of 29% .

2. Solar Became the EU's Largest Monthly Power Source in June 2025

In June 2025, solar generated 22.1% of EU electricity (45.4 TWh), making it the single largest electricity source for the first month ever . It surpassed nuclear (21.6%), wind (15.8%), hydro (14.1%), and gas (13.8%) . The European Commission noted: "June 2025 was the first month in history where solar energy was the main source of electricity generated in the EU at 22%" . At least 13 EU countries recorded their highest-ever monthly solar output, led by the Netherlands (40.5% of its electricity from solar) and Greece (35.1%) .

3. Wind + Solar Surpassed Fossil Fuels in 2025

For the full year 2025, wind and solar generated 30.1% of EU electricity (841 TWh), while all fossil sources generated 29.0% (809 TWh) — the first time renewables outpaced fossil fuels . Solar alone generated a record 369 TWh, up 62 TWh from 2024, and achieved a 13% annual share, surpassing both coal and hydro . EU solar capacity reached an estimated 406 GW in 2025, exceeding the 380 GW target set by the EU Solar Energy Strategy .

The Structural Shift: Renewables Now Dominate

By Q2 2025, renewables generated 54% of EU net electricity, with solar surpassing nuclear for the first time . The EU aims for at least 600 GW of solar capacity by 2030 .

The savings from solar during the Middle East war demonstrate a key advantage: every terawatt-hour of solar generation displaces gas at volatile prices, insulating European economies from fossil fuel price shocks. SolarPower Europe has noted that the €20 billion saved by mid-July 2026 represents capital that could instead fund new renewable infrastructure — roughly 8 GW of additional solar capacity .

Key caveat: All savings figures are modeled estimates from SolarPower Europe based on gas price scenarios. Actual savings depend on spot gas prices, which have fluctuated sharply. The €20 billion figure is the most current reported total , but savings could rise or fall with gas markets.

Europe's solar fleet has turned a geopolitical crisis into a demonstration of the economic case for renewables. The war raised energy costs, but solar softened the blow — and the broader trajectory suggests this role will only grow.