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Uttarakhand Opens Door to Grid Storage with New Renewable Tariff Amendment
Uttarakhand’s amendment formally brings Battery Energy Storage Systems (BESS) into renewable tariff rules, setting useful life at 12 years, a net BESS tariff of ₹5.78/kWh, and new commissioning, depreciation, and metering norms—effective from 27 November 2025. The Uttarakhand Electricity Regulatory Commission (UERC) issued the second amendment to its renewable tariff regulations to explicitly include BESS alongside solar and small hydro, renaming the principal regulation and

RE Society of India RESI
4 days ago2 min read
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Hybridizing the Grid: CERC’s 2025 Tariff Amendment for Storage-Linked ISTS
The Central Electricity Regulatory Commission (CERC) has released the Draft Terms and Conditions of Tariff (Second Amendment), 2025 , marking a significant evolution in India’s transmission tariff framework. Building on the 2019 regulations and the 2023 first amendment, the new draft introduces provisions that mainstream energy storage systems (ESS) into tariff determination, particularly when linked to thermal Inter-State Transmission Systems (ISTS). Earlier regulations had

RE Society of India RESI
4 days ago2 min read
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Twelve Weeks to Clarity: How MERC’s Rehearing Could Reshape Tariffs, Storage Economics and Investment
The Supreme Court has remanded the Maharashtra MYT review back to MERC and ordered a fresh decision within 12 weeks, keeping existing tariffs in force while mandating stakeholder consultation — a move that could reshape developer economics, consumer bills, and the pace of storage and renewable integration in the state. The dispute centers on MERC’s Multi‑Year Tariff (MYT) order  and a subsequent review order that was challenged in court. The Supreme Court’s November ruling re

RE Society of India RESI
5 days ago2 min read
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Call for Papers: Renewable Energy Chronicles – The Power Saga (ISBN: 978‑81‑993949‑6‑4)
Editor’s Call for Papers The Renewable Energy Society of India (RESI) Journal  — Title:  Renewable Energy Chronicles: The Power Saga  (ISBN: 978‑81‑993949‑6‑4), duly registered with the Ministry of Education, Government of India — invites contributions from the research community, policy makers, industry leaders, investors, and academia. The Journal is published on a quarterly basis  and is accessible to all stakeholders in the renewable energy ecosystem. We welcome submissi

RE Society of India RESI
Nov 271 min read
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Gujarat’s 4 GWh BESS Auction Concludes: Nine Winners Secure Capacity, Tariffs Set New Benchmarks
Gujarat Urja Vikas Nigam Limited (GUVNL) has successfully concluded its 2 GW/4 GWh standalone battery energy storage system (BESS) auction (Phase VII), marking a milestone in India’s energy transition. The auction, floated in July 2025, attracted strong participation, with nine companies emerging as winners and tariffs settling in the range of ₹185,000–₹188,000 per MW per month. Key Highlights Total Capacity Auctioned: 2,000 MW / 4,000 MWh Number of Winners: 9 developers Lowe

RE Society of India RESI
Nov 182 min read
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Rajasthan’s Draft BESS Regulations 2025: A Strategic Blueprint for Grid Stability and Renewable Integration
The Rajasthan Electricity Regulatory Commission (RERC) has released the draft Battery Energy Storage Systems (BESS) Regulations, 2025 , marking a pivotal step in institutionalizing energy storage across the state’s power sector. This regulation provides a comprehensive framework for ownership, deployment, utilization, and tariff mechanisms for BESS, aligning Rajasthan with national ambitions for a flexible, decarbonized grid. Key Highlights of the Draft Regulation Ownership M

RE Society of India RESI
Oct 222 min read
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India’s Firm Renewable Energy Auctions: Setting a New Benchmark for Solar-Plus-Storage Investments
Abstract India’s renewable energy landscape is entering a new phase where firm, dispatchable power is no longer a distant goal but a...

RE Society of India RESI
Sep 2611 min read
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SECI’s 600 MW/1200 MWh BESS EPC Tender: Pioneering Standalone Energy Storage with Long Term Operational Risk
The Solar Energy Corporation of India (SECI) has issued a groundbreaking EPC‑turnkey tender for a 600 MW / 1200 MWh standalone Battery...

RE Society of India RESI
Aug 53 min read
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India’s Grid Enters Energy Storage Era: Maharashtra Float 2000 MW / 4000 MWh BESS Tenders to Anchor Renewable Transition
Back-to-back mega tenders from MSEDCL and GUVNL signal a paradigm shift in India’s power sector as battery storage becomes central to...

RE Society of India RESI
Aug 42 min read
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