Solar energy leads the worldwide vitality transition as prices plunge to report lows
by Sophie Jenkins
London, UK (SPX) Oct 07, 2025
Photo voltaic vitality has change into the world’s most inexpensive energy supply, with prices within the sunniest areas now as little as Kilos 0.02 per kilowatt-hour – cheaper than electrical energy from coal, gasoline or wind, in keeping with new analysis by the College of Surrey’s Superior Expertise Institute (ATI).
Revealed in Power and Atmosphere Supplies, the examine identifies photo voltaic photovoltaic (PV) techniques as the first engine of the worldwide clean-energy transition. “Even right here within the UK, a rustic that sits 50 levels north of the equator, photo voltaic is the most affordable possibility for large-scale vitality era,” stated Professor Ravi Silva, ATI Director and examine co-author. “Globally, put in photo voltaic capability surpassed 1.5 terawatts in 2024 – twice that of 2020 and sufficient to energy a whole bunch of hundreds of thousands of properties.”
The researchers report that lithium-ion battery prices have fallen by almost 90% since 2010, making solar-plus-storage configurations aggressive with pure gasoline vegetation. These hybrid techniques enable extra solar energy to be saved and launched as wanted, making a dispatchable and grid-balancing vitality supply.
Nevertheless, integrating huge quantities of solar energy into current grids poses new challenges. “Connecting rising ranges of solar energy to electrical energy networks is now one of many greatest challenges,” famous Dr Ehsan Rezaee, ATI co-author. “Good grids, synthetic intelligence forecasting and stronger regional interconnections will probably be important to maintain energy techniques secure as renewable vitality use rises.”
Professor Silva added that combining storage with good grid advances has made photo voltaic “dependable, inexpensive and clear at scale.” He emphasised that new supplies corresponding to perovskite photo voltaic cells may elevate vitality output by as much as 50% with out increasing land use. But, sustained coverage dedication stays important, with initiatives just like the US Inflation Discount Act, the EU’s REPowerEU plan and India’s Manufacturing Linked Incentive scheme demonstrating how coordinated coverage can gasoline fast innovation and deployment.
Analysis Report:Solar Energy in 2025: Global Deployment, Cost Trends, and the Role of Energy Storage in Enabling a Resilient Smart Energy Infrastructure
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