MANY MINDEDSpain's 2025 Solar Expansion Drives Electricity Price Drops
Spain installed 10.1 gigawatts of new solar capacity in 2025—8.97 GW of ground-mounted systems and 1.14 GW of behind-the-meter installations—bringing cumulative ground-mounted capacity to 46,286 megawatts. Solar now supplies 23% of Spain’s electricity, with prices falling from €42.28 per megawatt-hour in 2024 to €29.68 by early 2026. The system generated 797 hours of near-zero electricity pricing in 2025, reaching 900 hours by September 2026. This expansion is supported by 71.5 gigawatts of approved demand capacity through 2030 and 65% growth in behind-the-meter storage to 540 megawatt-hours.
The price drop stems from Spain’s rapid solar deployment and grid integration. As solar capacity grew, it displaced more expensive fossil-based generation during peak hours, directly reducing the cost of electricity for households and businesses. The sector’s economic impact—€14.12 billion in 2025, 134,708 jobs, and €3.21 billion in exports—highlights how scaling solar lowers energy costs while creating local value.
This matters for basic energy access. Lower electricity prices mean households spend less on heating, lighting, and essential services, directly advancing energy affordability. The system’s ability to generate near-zero pricing during solar peaks shows how renewable expansion can make electricity effectively free for millions. However, Spain still has 14,607 megawatts of storage capacity pending permits, and the 2025 data was reported in September 2026—meaning full scaling effects may not yet be realized.
What to watch: How Spain’s 2030 demand capacity targets translate into actual household access, and whether storage permitting bottlenecks delay further price reductions. The data shows solar’s potential to lower electricity costs, but real-world impact depends on grid integration and permitting progress.
Source: pv magazine