Gujarat Urja Vikas Nigam Ltd (GUVNL) has officially issued a tender on July 23, 2025 (RfS No. GUVNL/BESS/Phase VII) for the development of 2,000 MW / 4,000 MWh standalone Battery Energy Storage Systems (BESS) across Gujarat under a tariff-based competitive bidding process supported by the Power System Development Fund (PSDF) with Viability Gap Funding (VGF) assistance.
Key Highlights:
Capacity & Structure: BESS capacity allocated as 2 GW × 2-hour systems across 12 Gujarat STU substations—aggregate 4 GWh under the “Build-Own-Operate” model.
VGF Subsidy: Government support pegged at ₹18 lakh per MWh (₹180 crore per 100 MWh), capped per bidder and disbursed as 20% at financial closure, 50% at COD, and 30% one year post-COD.
Eligibility & Technical Requirements:
Minimum Bid Size: 100 MWh (50 MW × 2 hours) and multiples thereafter.
Eligibility: Minimum credentials include commissioning 1 MW power plant (renewable or conventional) or 10 MWh BESS capacity. Net worth requirement: ₹74 lakh per MW (FY 2024‑25 or prior 7 days).
Performance Standards: ≥ 85% round-trip efficiency, ≥ 95% annual system availability, and two full charge–discharge cycles daily.
Timeline & Process:
- Query Deadline: 8 August 2025
- Pre-bid Meeting: 13 August 2025 (via virtual conference)
- Bid Submission: 11 September 2025
- Technical & Commercial Evaluation: Mid-September shortlist ahead of reverse auction phase.
Tender Scope & Grid Attachment:
BESS projects to be connected at 12 predefined substations under GETCO’s transmission network.
Bidders are responsible for identifying land and establishing grid interconnections at their own cost; no merchant capacity allowed—projects will serve GUVNL on-demand dispatch requirements.
Significance:
This is Phase VII of GUVNL’s scalable BESS program, following earlier tenders under Phase IV (400 MW / 800 MWh) and Phase V–VI expansions.
The large-scale nature of this tender underscores GUVNL’s ambition to integrate renewable energy and improve grid flexibility with dispatchable capacity.
Strategic Insights
Investor appeal: Generous VGF and mandated performance metrics are likely to attract major developers and institutional interest.
Market signaling: GUVNL’s repeated BESS phases demonstrate Gujarat’s clear pathway toward utility-scale storage leadership.
Technical maturity: Enforcing ≥ 85% round-trip efficiency and ≥ 95% availability highlights a push for high-quality system deployment.
Entry constraints: Rigorous eligibility criteria—including financial and operational thresholds—ensure only credible players participate.
| Capacity | 2,000 MW / 4,000 MWh standalone BESS |
| Location | Gujarat, across 12 GETCO substations |
| Last Date | 11/09/2025 |
| Results | Tech-commercial bids will open on September 17, 2025 (results expected post reverse auction) |
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