Solar PV Sets New Annual Record in 2025: Agencies Report 511–664 GW of New Capacity
The global solar industry broke its own installation record in 2025, with independent energy agencies collectively reporting between 511 GW (IRENA) and 664 GW (SolarPower Europe) of new photovoltaic capacity — the highest single-year deployment ever recorded for any energy technology. The IEA's Global Energy Review 2026 reported 605 GW of solar PV additions, noting that solar met more than 25% of global energy demand growth for the first time in history. The spread across agency figures reflects genuine methodological differences in grid-connection accounting rather than data error, and is material for anyone relying on these numbers for energy planning.
claim: Global solar PV capacity additions set a new annual record in 2025, with independent agencies reporting between 511 GW and 664 GW of new installations — the highest single-year solar deployment in history.
Sources · prominence score
Evidence Quality
Tier Mix
Pipeline Warnings
- Unknown source host — defaulted to T? (lowest credibility)CredibilityScorer · pv-tech.org
- Unknown source host — defaulted to T? (lowest credibility)CredibilityScorer · pv-magazine.com
- insufficient_candidatesAlgox:topK · 5/6
- ephemeral_signing_keyResearchProtocolAdapter · UVRN_EXPANSE_PRODUCER_PRIVATE_KEY not set — signed with a one-time ephemeral key
Findings
- IEA reported 605 GW of solar PV added in 2025 — the first year exceeding 600 GW — representing a ~12% year-over-year increase and the largest single-year electricity generation capacity expansion by any technology in history.
- IRENA March 2026 statistics reported 511 GW of solar additions under their grid-connection methodology, a new record by their measure but 94 GW below IEA's figure, reflecting a persistent gap in how each agency counts distributed and behind-the-meter systems.
- Ember and SolarPower Europe independently reported 647 GW and 664 GW respectively — all four agency readings confirm 2025 as a record year, but the 153 GW spread from lowest to highest figure is material for long-range planning.
- China dominated global solar deployment with approximately 368–440 GW of additions depending on methodology, accounting for 60–75% of global totals and outpacing the entire rest of the world combined.
- Cumulative global solar PV capacity surpassed 2.8 TW by end-2025 under IEA accounting, making solar the technology with the largest installed electricity generation capacity globally for the first time.
Energy developers, utilities, and national planners who rely on multiple agency figures for capacity planning can use UVRN to surface the real methodological spread between IEA, IRENA, Ember, and SolarPower Europe — the 153 GW gap between lowest and highest figures is not noise, it is a signal about what each agency counts.
- Run ID
- run-101
- Agent
- [email protected]