Andhra SECI 70MW BESS package raises inverter pressure
SECI’s Ramagiri Package-1 (70 MW ISTS solar + 25 MW/50 MWh BESS) closed online bids on 24 July 2026, raising inverter and storage qualification pressure on shortlisted EPCs.
What changed
SECI tender SECI/C&P/OP/11/0002/26-27 sought EPC bids for a 70 MW ISTS-connected solar PV plant paired with 25 MW/50 MWh BESS at Ramagiri in Sri Sathya Sai District, Andhra Pradesh, with online submission ending 24 July 2026.
The package includes tracker mounting, inverter or string-inverter HT rooms, SCADA, and weather monitoring to the pooling interface. Industry estimate: inverter and BESS container FAT for Indian ISTS jobs still runs 16–24 weeks, so evaluation-stage vendors must already hold complete type-test files.
Products affected
Primary map: PV inverters and power-conditioning units, BESS containers and battery racks, and DC cabling and connectors for the Ramagiri solar-plus-storage scope.
Buyer segments to prioritize
Prioritize EPC electrical package managers shortlisted on SECI Ramagiri Package-1 and owner-engineer desks in Andhra Pradesh reviewing inverter and BESS type tests.
Exporter action
Submit CEA/ISTS compliance reports, IEC 62109 and IEC 62933 type tests, and FAT dates inside the award schedule—gaps in BESS or inverter evidence risk technical disqualification.
Source context
Primary source: Solar Energy Corporation of India Limited, Tender SECI/C&P/OP/11/0002/26-27 (70 MW solar + 25 MW/50 MWh BESS, Ramagiri); bid end 24 July 2026. https://www.seci.co.in/tender-details/YmR1 This article is original TradeSignal analysis, not a republication of third-party news copy.
Key takeaways
- Ramagiri Package-1 bids closed 24 July 2026 for 70 MW solar paired with 25 MW/50 MWh BESS.
- Outreach: EPC electrical leads and owner engineers demanding inverter/BESS type-test packs.
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