Introduction

The Indian Solar and Transmission System (ISTS) has released a major renewable energy bidding round for a total contracted capacity of 1,200 MW. This opportunity, announced on June 5, 2026, targets qualified bidders who can provide wind and solar projects that meet strict technical and financial criteria. Understanding the timeline, capacity limits, eligibility requirements and financial thresholds is essential for developers, investors and policy analysts who want to participate or assess market impact.

What Does the Data Reveal About This Topic?

The raw data shows that each bidder may secure a minimum of 50 MW and a maximum of 600 MW, with a required net‑worth of 796.8 lakh per MW and specific profitability metrics such as 82.45 lakh per MW annual PBDIT. The schedule is tight: pre‑bid meeting on July 17, queries due July 16, bid submission July 20, and bid opening July 23, 2026. Projects must be ISTS‑connected, comply with CERC, SERC, CEA and Grid Code standards, and achieve commissioning within 18 months of PPA execution.

Key Financial and Technical Benchmarks for Bidders

Financial health is a core filter. Bidders need a net‑worth of 796.8 lakh per MW, or 24 lakh per MWh for Energy Storage Systems (ESS). Additionally, they must demonstrate either a 82.45 lakh per MW annual PBDIT or a 216.49 lakh per MW PBDIT, or provide a bank guarantee of 720.61 lakh per MW. Technically, only RLMM‑approved wind turbines and ALMM‑listed solar modules are accepted, and each site must install GPS‑enabled Automatic Weather Stations for accurate forecasting and grid management.

Impact on Sectors and Industries

This bidding round will stimulate the renewable generation sector, reinforce transmission network upgrades, and create demand for high‑quality turbine and solar module manufacturers. Investors gain a clear view of risk‑adjusted returns, while policymakers can track progress toward national clean‑energy targets. The requirement for ISTS connectivity also drives ancillary services such as metering, communication and evacuation infrastructure, benefiting the broader power distribution ecosystem.

Key Takeaways

• 1,200 MW of renewable capacity is offered with a 50‑600 MW allocation per bidder.
• Financial thresholds include 796.8 lakh per MW net‑worth and specific PBDIT benchmarks.
• Only RLMM‑approved wind turbines and ALMM‑listed solar modules are eligible.
• Projects must be ISTS‑connected and meet CERC, SERC, CEA and Grid Code compliance.
• Timeline is compressed: pre‑bid meeting July 17, bid submission July 20, bid opening July 23, 2026.
• Successful bids must commission within 18 months of PPA execution and maintain reliable transmission evacuation.

FAQs

What is the minimum capacity a bidder can secure?

The minimum allocation per bidder is 50 MW.

Which technical standards must the projects follow?

Projects must use RLMM‑approved wind turbines, ALMM‑listed solar modules, and comply with CERC, SERC, CEA and Grid Code regulations.

When is the bid submission deadline?

Bids must be submitted by July 20, 2026.

What financial proof is required from bidders?

Bidders need a net‑worth of 796.8 lakh per MW, and must show either 82.45 lakh per MW annual PBDIT, 216.49 lakh per MW PBDIT, or a bank guarantee of 720.61 lakh per MW.

How long after PPA execution must projects be commissioned?

Projects must be commissioned within 18 months of PPA execution.