Renewable Energy Contract
ACME Solar Signs 25-Year PPA with SECI for 300 MW FDRE Assured Peak Power Project
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ACME Solar Holdings Limited announced the execution of a 25-year Power Purchase Agreement (PPA) with Solar Energy Corporation of India (SECI) for a 300 MW Firm and Dispatchable Renewable Energy (FDRE) assured peak power project. The project strengthens ACME Solar’s long-term contracted renewable energy portfolio and expands its PPA-signed capacity to 6,570 MW.
PRICE-SENSITIVE TRIGGER
Event: Execution of long-term Power Purchase Agreement with SECI.
Type: Renewable Energy Contract / Power Purchase Agreement
Impact: Positive
Immediate Effect: The agreement secures long-term revenue visibility for ACME Solar through a 25-year assured peak power supply contract under SECI’s FDRE Tranche-VII program.

Key Metrics:
- Project Capacity: 300 MW FDRE assured peak power project
- Energy Storage Configuration: 1,200 MWh ISTS-connected project
- Tariff: ₹6.28 per unit
- PPA Tenure: 25 years from Scheduled Commencement of Supply Date (SCSD)
- SCSD: May 28, 2028
- Minimum Annual Availability Requirement: 85%
- Total Contracted Portfolio: 8,070 MW
- PPA-Signed Portfolio After Execution: 6,570 MW
- Operational Contracted Capacity: 2,990 MW
- Under Construction Capacity: 5,080 MW
- BESS Capacity Under Construction: ~18 GWh
- Operational BESS Capacity: ~2.7 GWh
Highlight:
- ACME Solar secured a 25-year SECI-backed PPA for a 300 MW / 1,200 MWh FDRE project at a tariff of ₹6.28 per unit.
What Happened ?
ACME Renewtech Sixth Private Limited, a wholly owned subsidiary of ACME Solar Holdings Limited, executed a Power Purchase Agreement with SECI for a 300 MW Firm and Dispatchable Renewable Energy (FDRE) assured peak power project.
The agreement follows the Letter of Award received under SECI’s FDRE Tranche-VII tender. The project will be ISTS-connected and designed to provide four hours of assured peak power supply during non-solar hours.
The company stated that the project will utilize ACME Solar’s existing night-time connectivity infrastructure available in high irradiation zones. The PPA execution increases ACME Solar’s signed portfolio and strengthens its long-duration renewable energy and energy storage business.
Key Details
Project & Contract Details:
- The PPA has been executed with Solar Energy Corporation of India Limited (SECI).
- The contract pertains to a 300 MW FDRE assured peak power project.
- The project includes 1,200 MWh ISTS-connected energy storage configuration.
- The agreement tenure is 25 years from the Scheduled Commencement of Supply Date.
- Scheduled Commencement of Supply Date (SCSD) is May 28, 2028.
- ACME Solar will supply four hours of assured peak power during non-solar hours.
- The project carries a minimum annual availability requirement of 85%.
- The tariff under the PPA is fixed at ₹6.28 per unit.
- The project was awarded under SECI’s FDRE Tranche-VII tender through tariff-based competitive bidding.
- The executed PPA covers 300 MW capacity versus the originally referred 301 MW LOA capacity due to project optimization adjustments.
- Following this agreement, ACME Solar’s PPA-signed portfolio increased to 6,570 MW.
Note:
- The agreement improves long-term contracted revenue visibility while strengthening ACME Solar’s position in dispatchable renewable energy and battery-integrated power solutions.
Risk Analysis
Summary:
- While the PPA provides long-term revenue stability, project execution, commissioning timelines and energy storage integration remain key operational risks.
Key Risks:
- Project commissioning is scheduled for 2028, creating execution and construction timeline risks.
- Large-scale battery storage integration may involve technology and operational challenges.
- Delays in transmission connectivity or regulatory approvals could affect project commissioning.
- Long-term project economics remain sensitive to storage system performance and operating efficiency.
- Availability obligations under the PPA require sustained operational reliability.
Worst Case Scenario:
- Project delays, cost overruns or inability to meet assured peak supply commitments could impact profitability, commissioning timelines and contractual performance obligations.
Risk Level: Medium
Company Commentary
- ACME Solar stated that the project will utilize existing night-time connectivity infrastructure in high irradiation zones.
- Management highlighted that the project will deliver four hours of assured peak power during non-solar periods.
- The company noted that the agreement expands its long-term renewable energy portfolio and signed capacity base.
- ACME Solar reiterated its integrated renewable energy strategy spanning solar, wind, storage, FDRE and hybrid solutions.
- Management emphasized its in-house EPC and O&M capabilities supporting cost-efficient project execution and operational performance.
Official Exchange Filing: ACME Solar Holdings Limited