Tata Power Secures SECI Letter of Award for 324 MW Pumped Storage Project with ₹351.3 Crore Annual Fixed Charge

What Happened ?

key details

Letter of Award from SECI:

• Tata Power received a Letter of Award (LOA) from the Solar Energy Corporation of India Limited (SECI).
• The project is for providing energy storage services through a 324 MW / 2,592 MWh Pumped Storage Plant (PSP).
• SECI is a Government of India Enterprise.
• The project has been awarded under a domestic procurement process.
• The award further strengthens Tata Power’s position in India’s renewable energy storage sector. 

Note:

• Winning an LOA from SECI reinforces Tata Power’s growing role in supporting India’s renewable energy transition through utility-scale storage infrastructure.

Project Scope:

• The project involves a 324 MW pumped storage facility with an energy storage capacity of 2,592 MWh.
• Tata Power will provide storage services for 40 years from the scheduled commencement date.
• Pumped storage technology enables the storage of surplus renewable energy and its supply during periods of peak electricity demand.
• The project is designed to improve grid stability while facilitating greater integration of renewable energy into the power system. 

Note:

• Long-duration pumped storage projects are becoming increasingly important as India’s renewable energy capacity continues to expand.

Commercial Structure:

• The project carries an Annual Fixed Charge of ₹1.0841826 crore per MW per year.
• Total annual fixed charge for the 324 MW project amounts to approximately ₹351.3 crore.
• The agreement also specifies an annual cycle loss of 24.61%.
• The long-term payment structure provides predictable revenue once commercial operations begin.
• Revenue generation will commence after project commissioning and operationalisation under the executed PPA.

Note:

• The long-term fixed-charge model provides stable cash flow visibility while reducing exposure to short-term electricity market volatility.

Project Execution Timeline:

• SECI will execute the Pumped Storage Purchase Agreement (PPA) after signing Pumped Storage Sale Agreements with the buying entities.
• Tata Power is required to commence supply of storage capacity within 36 months from the effective date of the PPA.
• The announcement represents a project award and not the commencement of commercial operations.
• The execution schedule will depend on completion of contractual formalities, project development and commissioning activities.

Note:

• Investors should monitor the execution of the PPA, construction progress and commissioning milestones, as these will determine when the project begins contributing to Tata Power’s revenue and earnings. 

Risk Analysis

Summary:

• The Letter of Award represents a strategically important addition to Tata Power’s clean energy portfolio and strengthens its position in India’s growing energy storage market. However, the project is currently at the award stage and remains subject to execution of the Pumped Storage Purchase Agreement (PPA), timely construction, regulatory approvals and commissioning. Revenue generation will commence only after the project becomes operational. 

Key Risks:

• The Letter of Award is subject to execution of the final Pumped Storage Purchase Agreement (PPA).
• Commercial operations are expected only after successful project execution and commissioning.
• The company must commence storage supply within 36 months from the effective date of the PPA.
• Large hydro and pumped storage projects are exposed to construction, land acquisition, environmental clearance and execution risks.
• Delays in signing agreements with buying entities or obtaining statutory approvals could postpone project commissioning.
• Cost overruns or delays during construction could affect project returns despite the long-term revenue model.
• Revenue from the project will begin only after the plant becomes operational. 

Worst Case:

• If execution is delayed due to regulatory approvals, construction challenges or deferred execution of the PPA, commissioning could be postponed, delaying the realization of the ₹351.3 crore annual fixed charge and reducing near-term cash flow visibility.

Risk Level: Medium

Company Commentary

• Tata Power has received a Letter of Award (LOA) from Solar Energy Corporation of India Limited (SECI) for providing energy storage services from a 324 MW / 2,592 MWh Pumped Storage Plant.
• The project will provide storage services for 40 years from the scheduled commencement of supply.
• SECI will execute the Pumped Storage Purchase Agreement (PPA) after signing the Pumped Storage Sale Agreement with the buying entities.
• Tata Power is required to commence supply of storage capacity within 36 months of the effective date of the PPA.
• The project aligns with the company’s strategy of expanding its renewable energy and grid-scale energy storage portfolio to support India’s clean energy transition.