The global solar PV operations and maintenance (O&M) market reached 348 GW at the end of 2025, after adding 61 GW during the year. The expansion came amid accelerating industry consolidation, with the 15 largest providers managing 200 GW, or 57% of the capacity analyzed.
The figures come from Wood Mackenzie’s “Global Solar PV O&M Service Provider Dynamics 2026” report, which examines portfolio sizes, cost trends and service strategies among more than 130 active providers across the Americas, Asia-Pacific excluding China, and Europe, the Middle East and Africa.
Consolidation accelerated in 2025, with the 15 largest providers adding a combined 41 GW to their portfolios to reach 200 GW of managed capacity. NovaSource Power Services retained its position as the world’s largest solar PV O&M provider, with 38.4 GW under management at the end of the year.
RES Energy Global Services, Solv Energy, Solarig Energy Services and Recurrent Energy retained their positions among the five largest providers globally. Several are pursuing cross-regional expansion strategies as scale becomes an increasingly important competitive factor.
The rankings also saw new entrants. BayWa r.e. Services and Origis Energy Services joined the global top 15 after adding 2.6 GW and 1.8 GW, respectively, to their managed portfolios.
Engie more than doubled its O&M portfolio in 2025, rising six places to rank eighth globally. Growth was driven primarily by the Americas, where its portfolio expanded by 172%.
Sterling & Wilson recorded 53% year-on-year growth, taking its managed capacity to 13.5 GW and placing it sixth globally. The company also leads the Asia-Pacific market, where it manages 12.2 GW.
Among smaller providers, megaom, the independent O&M unit of FRV, recorded the strongest percentage growth. Its portfolio expanded by 243% to 3.8 GW, taking the company into the global top 30 for the first time.
Regional markets showed markedly different trends. Wood Mackenzie described North America as a mature and highly competitive market, with pricing pressure pushing down the cost of comprehensive O&M services. Prices for “full-wrap” contracts fell 18% year on year.
By contrast, O&M volumes in the Middle East and Africa nearly doubled in 2025. Historically lower market penetration, combined with rapid growth in PV installations, is attracting new service providers to the regions.
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