Executive Summary
The global transition to renewable energy accelerated significantly in 2025.
Annual Growth
Renewable energy capacity grew at its fastest pace in over a decade.
Key Drivers of Growth
Policy reform and private sector investment contributed to the uptick.
Regional Highlights
Europe led wind energy while Asia-Pacific dominated solar expansion.
Resource Types
Three primary renewable sources dominate: solar, wind, and geothermal.
Solar Energy
Solar photovoltaic technology continues to improve in conversion efficiency.
Wind Energy
Offshore wind has seen enormous capacity additions globally.
Geothermal Energy
Geothermal has the highest efficiency but limited by geological availability.
Comparison Data
| Energy Source | Efficiency | Growth (2025) |
|---|---|---|
| Solar | 22% | +15% |
| Wind | 45% | +10% |
| Geothermal | 90% | +2% |
Key Takeaways
- Geothermal is the most efficient at 90% but grows the slowest.
- Solar leads in growth rate at +15%.
- Wind balances high efficiency (45%) with solid growth (+10%).
- All three sources are critical to achieving net-zero targets by 2050.