The Solar Energy Corporation of India (SECI) has invited bids for engineering, design, manufacturing, testing, and supply of five 160 MVA, 220/33-33 KV power transformers for a 700 MW solar project at Radhanesda in Gujarat.

The last date to submit bids is June 19, 2026. Bids will be opened on the same day.

Bidders must submit ₹15 million (~$156,144) as the earnest money deposit. Successful bidders must furnish a contract performance guarantee equal to 10% of the total order cost for a period of 32 months.

The supply contract must be completed within 17 months.

Bidders must be original equipment manufacturers that design, manufacture, and test transformers in accordance with IEC standards.

They must have their own manufacturing facility in India for power transformers rated at 220 kV or higher, established and operational for at least the past 7 years. They must submit the manufacturing certificate and factory incorporation certificate as evidence.

They must have supplied 220 kV class or above power transformers anywhere in India during the past seven years as on the last date of submission.

Bidders should have a minimum annual transformer manufacturing capacity, in MVA, of at least five times the bid quantity.

Further, they should also possess an established facility in India for servicing, repairing, testing, and refurbishing power transformers, equipped with the necessary spares and testing equipment to ensure after-sales service.

They must possess a valid ISO 9001:2015 certification.

The minimum average annual turnover of bidders in the last three financial years should be at least ₹230 million (~$2.39 million).

Also, bidders should have a positive net worth.

They should have a minimum working capital of ₹135.3 million (~$1.41 million) as per the last financial statement. If the bidder’s working capital is inadequate, the bidder should supplement it with a letter from its bank confirming a net worth of at least ₹5 billion (~$52.05 million) to meet this project’s working capital requirement.

Only Class-I local suppliers are eligible to participate in this tender. To be classified as a Class-I local supplier, local content must be at least 50%.

Any bidder from a country that shares a land border with India will be eligible to bid in this tender only if the bidder is registered with the competent authority.

Last month, SECI invited proposals from scheduled commercial banks and financial institutions for a term loan of up to ₹27.2 billion (~$289.6 million) to finance a 700 MW solar project at Radhanesda, Gujarat.

Earlier this year, SECI invited bids for a balance-of-system package for the same project in Gujarat.

Subscribe to Mercom’s India Solar Tender Tracker for timely updates on all solar tenders issued by various agencies in India.