Bharat Heavy Electricals (BHEL) has invited bids to select a developer to set up a 1,130 kW rooftop solar project integrated with a 4,520 kWh battery energy storage system (BESS) at its Ramachandrapuram facility in Hyderabad.

The final capacities must be optimized by the selected bidder based on a detailed feasibility assessment.

Bids must be submitted by May 14, 2026. Bids will be opened on the same day.

Bidders must furnish an earnest money deposit of ₹2 million (~$21,092) and a tender document fee of ₹1,000 (~$11). The successful bidder must submit a performance bank guarantee of ₹6 million (~$63,276), in two tranches of ₹1.2 million (~$12,655) and ₹4.8 million (~$50,621).

The scope of work includes the design, engineering, supply, installation, testing, commissioning, and long-term operation and maintenance of the solar and storage system, along with integration of solar, BESS, power conditioning systems, energy management systems, SCADA, and grid infrastructure.

The developer will also be responsible for establishing the power evacuation network up to the nearest BHEL substation and supplying electricity to BHEL under a 25-year power purchase agreement (PPA).

Bidders must have commissioned at least 3 MW of cumulative solar capacity and at least one rooftop project of 1 MW or more, along with demonstrated operation and maintenance capability. For BESS, bidders must demonstrate experience commissioning at least 4 MWh of storage capacity, including systems with a minimum four-hour discharge duration, and at least 1 MW of PCS experience.

They must also have experience with RESCO, BOOM, or OPEX models, with at least three such projects, including at least one PPA of 15 years or more, along with capabilities in billing, metering, and asset ownership and transfer.

Bidders must have a minimum net worth of ₹10 million (~$105,460) and either an annual turnover of ₹50 million (~$527,300), PBDIT of ₹10 million (~$105,460), or access to a ₹10 million (~$105,460) line of credit.

The project must be commissioned within six months from the effective date of the PPA, failing which penalties linked to performance bank guarantees will be imposed, including encashment of up to ₹6 million (~$63,276) for delays beyond three months.

Earlier this year, BHEL issued a tender to set up 1,300 kW of solar projects in Jhansi and Varanasi, Uttar Pradesh.

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