
On a sunny April afternoon, a 10 kW rooftop array can produce 8 kWh and lose money in the same hour. Smart self-consumption + curtailment + battery routing is what makes solar pay in 2025 Estonia.

Power Purchase Agreements are 5–15 year bilateral contracts between renewable generators and corporate offtakers. They probably did more for Europe’s energy transition than any subsidy.

Why simply building more wind and solar is not enough — and how hybrid parks, storage and flexibility are the real path to cheap electricity in Estonia.