Solar additions in CY2025 comprised 28.6 GW of new utility-scale solar capacity (up about 54.6% year-on-year), 7.9 GW of rooftop solar capacity (a 72% YoY increase), and 1.35 GW of off-grid/distributed solar capacity (8.8% lower than installations in CY2024).
Global solar growth is flattening in major markets as oversupply from China and India drives prices down and shifts competition from sheer volume to execution, policy alignment, and system integration. Across the U.S., Europe, and China, energy storage is becoming essential for project viability, making PV-plus-storage and strong EPC partnerships the new basis for winning projects in 2026 and beyond.
Ola Electric has rolled out Ola Shakti, a residential battery energy storage system (BESS), from its gigafactory in the Krishnagiri district of Tamil Nadu. Powered by Ola Electric’s indigenous 4680 Bharat Cells, Ola Shakti is India’s first residential BESS to be fully designed, engineered, and manufactured domestically.
India is estimated to have added a record 40 GW of solar capacity in CY 2025, supported by strong utility-scale execution and a surge in rooftop installations. Energy storage tendering also picked up pace.
Tata Power Renewable Energy added more than 1 GWp rooftop solar capacity within the first nine months of FY26—a 125% YoY growth over 444.78 MWp installations achieved in the corresponding period of FY25.
With record 40+ GW solar and wind installations (solar: 34.9+ GW, wind: 5.8+GW), 2025 has marked yet another high point in Indian annual renewable capacity additions. The capacity additions have been driven by strong project momentum across all solar segments.
UK-based GlobalData says Taiwan is on course to more than double its current solar capacity by the end of 2035.
India is moving decisively beyond capacity addition toward system-level maturity. Expanded transmission planning, a more diversified energy mix and better regulatory clarity signal a market design that is becoming ever more dynamic and future ready.
BloombergNEF (BNEF) projects a slight year-on-year dip in global solar additions in 2026 as China’s growth eases, even as installations elsewhere continue to rise.
Tier-2 and Tier-3 cities are no longer behind in the solar journey, they are becoming the main growth drivers. With better government support, easier net-metering rules, and more awareness about savings, people in smaller cities are now ready for rooftop solar in a big way.
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