Puerto Rico rooftop solar hits 1.5 GW, passes natural gas
SkimNews Take
Rooftop solar leapfrogging centralized natural gas on an isolated island grid reveals the energy shift is being driven by individual adopters rather than utility procurement — a bottom-up pattern that rewires who is actually building the grid.
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- EIA reported Puerto Rico's rooftop solar capacity hit ~1.5 GW in 2025, passing natural gas to become the territory's second-largest generation source behind petroleum liquids.
- Installations averaged 3,850 rooftop solar systems per month in 2025, bringing the cumulative total to 191,929 systems by year-end, per EIA.
- Puerto Rico also saw distributed battery storage grow to 171,372 household and business systems with a combined 2,864 MWh of capacity by end of 2025, per the Puerto Rico Energy Bureau.
- Rooftop solar generation has risen every year since Hurricane Maria knocked out 80% of the island's grid in 2017.
- The Trump administration canceled $300 million in solar installation funding for Puerto Rico in January, citing grid instability from rapid rooftop solar deployment.
- LUMA Energy expanded its Customer Battery Energy Sharing program in summer 2025, creating virtual power plants with Sunrun and Tesla to supply the grid during forecasted shortages.
- New LUMA CEO Janisse Quiñones began her tenure this week, naming "transform" and "stabilize" the island's fragile grid as her two priorities.
Why it matters: With 191,929 rooftop systems now in place, Puerto Rico has become a live test of whether distributed energy can displace centralized generation — yet the Trump administration is simultaneously pulling $300 million in solar funding even as LUMA builds virtual power plants with Sunrun and Tesla to manage the very grid fluctuations the DOE cited.
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