General Updates

Energy Limited Regd. Office: JSW Centre, Bandra Kurla Complex, Bandra (East), Mumbai – 400 051, CIN: L74999MH1994PLC077041 Phone: 022-4286 1000 Fax: 022-4286 3000 Website: www.jsw.in SEC / JSWEL 5th October 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza Dalal Street Bandra - Kurla Complex, Bandra (E) Mumbai - 400 001 Mumbai - 400 051 Scrip Code: 533148 Symbol: JSWENERGY Sub: JSW Energy’s Installed Capacity Reaches 15.1 GW; Adds ~1.7 GW since April 2026 Ref: Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Madam / Sir, This is to inform you that the Company has added 1,694 MW of installed capacity since April 2026, including ~1.4 GW of renewable capacity. Consequently, the Company’s total installed capacity has increased to 15,147 MW. The details of the Company’s asset portfolio are available at link. Further, the Press Release in this regard is attached. Yours faithfully, For JSW Energy Limited Monica Chopra Company Secretary Part of O.P. Jindal Group Media Release October 5, 2026 JSW Energy’s Installed Capacity Reaches 15.1 GW; Adds ~1.7 GW since April 2026 Mumbai, India — October 5, 2026 – JSW Energy Limited ("the Company") is pleased to announce the addition of 1,694 MW of generation capacity since April 2026, including ~1.4 GW of renewable capacity. With these additions, the Company’s total installed capacity stands at 15,147 The capacity added in FY27 to date comprises 593 MW of solar, 108 MW of wind, 542 MW of hybrid and 150 MW of hydro projects, along with 300 MW of inorganic thermal capacity of Maruti Clean Coal & Power Ltd. Mr. Sharad Mahendra, Joint Managing Director and CEO of JSW Energy "Having commissioned 1.4 GW of renewable energy capacity in the first half of FY27, we remain firmly on track to deliver the balance 1.6 GW during the year. The remaining capacity is fully de- risked, with land, transmission connectivity, and equipment supply already in place. Supported by a favourable construction season in the second half, we are well positioned to achieve our 3 GW annual capacity addition target, a significant milestone in our roadmap to 30 GW by FY30." Renewable energy now constitutes ~61% (9,189 MW) of the Company's operational portfolio, comprising 3,125 MW of wind, 2,426 MW of solar, 1,857 MW of hybrid, and 1,781 MW of hydro capacity. The thermal portfolio stands at 5,958 MW. The Company remains firmly on track to achieve its FY27 RE capacity addition target of 3 GW, having already delivered approximately 46% of the targeted capacity. JSW Energy has a total locked-in generation capacity of 32.4 GW — comprising 15.1 GW operational and 14.5 GW under construction across thermal, hydro, and renewables — along with a pipeline of 2.8 GW. Locked-in energy storage capacity stands at 29.6 GWh, comprising 26.4 GWh of pumped hydro storage and 3.2 GWh of battery energy storage — positioning the Company to supply firm, round-the-clock power as the sector shifts from energy to dispatchability. The Company is targeting 30 GW of generation capacity and 40 GWh of energy storage by 2030, and carbon neutrality by 2050. Page 1 of 2 PRESS RELEASE ABOUT JSW ENERGY: JSW Energy Ltd is one of the leading Private sector power producers in India and part of the USD 25 billion JSW Group which has significant presence in sectors such as steel, energy, infrastructure, cement, sports among others. JSW Energy Ltd has established its presence across the value chains of power sector with diversified assets in power generation, and transmission. With strong operations, robust corporate governance and prudent capital allocation strategies, JSW Energy continues to deliver sustainable growth, and create value for all stakeholders. JSW Energy began commercial operations in 2000, with the commissioning of its first 2x130 MW thermal power plants at Vijayanagar, Karnataka. Since then, the company has steadily enhanced its power generation capacity from 260 MW to 15.1 GW, ensuring diversity in geographic presence, fuel sources and power off-take arrangements. The Company is presently constructing various power projects to the tune of 14.5 GW, with a vision to achieve a total power generation capacity of 30 GW by 2030. Forward Looking and Cautionary Statements: Certain statements in this release concerning our future growth prospects are forward looking statements, which involve a number of risks, and uncertainties that could cause actual results to differ materially from those in such forward-looking statements. The risks and uncertainties relating to these statements include, but are not limited to, risks and uncertainties regarding fluctuations in earnings, our ability to manage growth, intense competition within Power Industry including those factors which may affect our cost advantage, wage increases in India, our ability to attract and retain highly skilled professionals, time and cost overruns on fixed-price, fixed-time frame contracts, client concentration, restrictions on immigration, our ability to manage our internal operations, reduced demand for Power, our ability to successfully complete and integrate potential acquisitions, liability for damages on our service contracts, the success of the companies in which JSW Energy has made strategic investments, withdrawal of fiscal governmental incentives, political instability, legal restrictions on raising capital or acquiring companies outside India, unauthorized use of our intellectual property and general economic conditions affecting our industry. The company does not undertake to update any forward-looking statements that may be made from time to time by or on behalf of the company. For more information/ queries: Investor Relations Team ir.jswenergy@jsw.in