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Envision’s 5 MW wind turbine secures RLMM approval

Envision Energy India’s wind turbine model EN-182/5.0 50 Hz TC has been approved under the Ministry of New and Renewable Energy’s (MNRE) Revised List of Models and Manufacturers (RLMM). This approval is mandatory for supplying wind turbines in India. The EN-182/5 MW turbine has a 181 metre rotor diameter, 105.56 metre hub height, and 89 metre blades mounted on a tubular steel tower. It is certified under IEC61400-22:2010 by DNV, with the certificate valid until…

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Envision Energy and SUN Terra partner to scale energy storage in Asia-Pacific

Envision Energy Group has formed a strategic partnership with SUN Terra to build a full-scale energy storage ecosystem across Southeast Asia, India, and Australia. The collaboration will advance deployment of energy storage system (ESS) technologies and strengthen regional supply chains. The partnership covers procurement, distribution, local assembly, technology licensing, and solution delivery. Envision and SUN Terra plan to operate across the ESS value chain to speed up deployment and improve market access. Localised manufacturing is…

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Draft rules allow energy storage systems to operate independently or with grids

The Ministry of Power has released draft amendments to Rule 18 of the Electricity Rules, 2005 clarifying how Energy Storage Systems (ESS) can be used in India’s power sector. The draft gives developers, utilities, and consumers more flexibility. ESS will be allowed to function either on their own or as part of generation, transmission, or distribution systems. Developers or owners—whether they are generating companies, licensees, consumers, or independent providers—can sell, lease, or rent out storage…

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ISTS charges for hydro and battery storage projects waived till 2028

The Ministry of Power (MoP) has announced a full waiver of Inter-State Transmission System (ISTS) charges for Hydro Pumped Storage Projects (PSP) and Battery Energy Storage Systems (BESS), under specific conditions. According to the order issued on June 10, 2025, the waiver will apply to Hydro PSP projects awarded for construction on or before June 30, 2028. The same benefit is extended to co-located BESS projects commissioned by that date, provided the stored power is…

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CEA workshop outlines roadmap for scaling energy storage with renewables

At a recent national workshop, the Central Electricity Authority (CEA) convened over 300 stakeholders to discuss how Energy Storage Systems (ESS) can support India’s renewable energy (RE) goals. The first phase of this regional workshop series focused on key policy, project, and technology insights. Key takeaways: Tariff trends show storage is becoming cost-effective SECI shared that Solar+BESS tariffs have dropped to Rs 3.09/unit (from Rs 6.99 in 2018). Standalone BESS tariffs have declined to Rs…

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Reliance wins 350 MW solar project with battery storage

Reliance Power Limited, through its subsidiary Reliance NU Energies, has secured a 350 MW solar power project connected to the inter-state transmission system. The company received a letter of award from SJVN Limited, which conducted the competitive auction. This project will also include a 175 MW/700 MWh battery energy storage system (BESS), enabling better grid integration and energy management. The tariff for the project has been fixed at Rs 3.33 per kWh for 25 years….

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Advait Energy and H.G. Infra sign BESS deals with GUVNL

Advait Energy and H.G. Infra Engineering have signed battery energy storage purchase agreements with Gujarat Urja Vikas Nigam Limited (GUVNL). The agreements cover standalone battery energy storage systems (BESS) backed by viability gap funding from the central government. These deals are part of GUVNL’s Phase IV tender, which targets 500 MW/1,000 MWh of BESS capacity. The Gujarat Electricity Regulatory Commission recently approved tariffs for the projects. Advait Energy will set up a 50 MW/100 MWh…

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VFlowTech raises $20.5 million to expand battery storage in India

Singapore-based VFlowTech has secured $20.5 million to scale its long-duration energy storage business in India. The funding round was led by Granite Asia, with participation from Antares Ventures, EDBI, MOL PLUS, PSA Ventures, and several existing investors including İnci Holding, UntroD Capital, Pappas Capital, Wavemaker Partners, SEEDS Capital, and Entrepreneurs First. The company plans to use the capital to deploy more vanadium redox flow batteries (VRFB) and upgrade its 100 MWh battery manufacturing facility in…

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Six firms win bids for 1,200 MW ISTS solar and storage projects

On May 9, 2025, six firms secured bids to develop 1,200 MW of Inter-State Transmission System (ISTS)-connected solar power projects along with 600 MW/2,400 MWh energy storage systems (ESS) anywhere in India. The tender was issued by SJVN in August 2024 under a build-own-operate (BOO) model. The winners and their awarded capacities are: SAEL Industries Limited: 150 MW solar + 75 MW/300 MWh ESS at Rs 3.32/kWh Sembcorp Green Infra Private Limited (SEIL subsidiary): 150…

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Hero Future signs PPA with SECI for 270 MW solar project with storage

Hero Future Energies (HFE) has signed a 25-year power purchase agreement (PPA) with the Solar Energy Corporation of India (SECI) for setting up 270 MW of Inter-State Transmission System (ISTS)-connected solar power projects. The project will also include a 135 MW/540 MWh energy storage system (ESS) under Tranche-XVII, marking a significant step in India’s renewable energy efforts. In December 2024, HFE won the bid for the project by quoting a tariff of Rs 3.52 per…