Solar farms in Puerto Rico
17 operating solar farms in Puerto Rico with 163 MW of solar capacity, largest first. From EIA-860M, August 2026.
Plants
17
Solar capacity
163 MW
Net generation, 2025
270 GWh
15 of 17 plants reported
Largest solar farms in Puerto Rico
| # | Plant | Solar MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Oriana Energy HybridIsabela · Solar and battery storage | 45 | 81.1 | – |
| 2 | AES ILUMINAGuayama | 20 | 30.7 | – |
| 3 | San Fermin Solar Farm HybridCanovanas | 20 | 7.5 | – |
| 4 | Humacao Solar Project, LLCHumacao | 20 | 77.5 | – |
| 5 | Coto Laurel Solar FarmPonce | 10 | 15.6 | – |
| 6 | Horizon Energy (PR) HybridSalinas · Solar and battery storage | 10 | 22.7 | – |
| 7 | Fort Buchanan Distributed GenerationGuaynabo | 5.8 | 4.5 | – |
| 8 | Pfizer GuayamaGuayama · Solar and oil | 5.0 | 5.5 | – |
| 9 | GASNA 18P, LLCSan Juan | 5.0 | – | – |
| 10 | Eaton Corp - Arecibo - Puerto Rico HybriArecibo | 5.0 | 7.2 | – |
| 11 | Medtronic SolarJuncos | 4.0 | 5.8 | – |
| 12 | MartinoPonce | 3.6 | 4.4 | – |
| 13 | Pfizer Vega BajaVega Baja | 3.1 | 3.9 | – |
| 14 | Janssen Ortho LLCGurabo | 2.2 | – | – |
| 15 | El Yunque Filtration PlantRio Grande | 2.0 | 1.4 | – |
| 16 | Arecibo Filtration PlantArecibo | 1.0 | 1.6 | – |
| 17 | Canovanas Filtration PlantCanovanas | 1.0 | 1.0 | – |
Projects where solar is the largest fuel or at least a fifth of nameplate capacity. MW is solar nameplate only; net generation covers the whole project. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources