NTPC Limited's subsidiary THDC India Limited has announced the commercial operation declaration of Unit III (250MW) of the Tehri Pumped Storage Project (4X250MW), effective from 00:00 hours on December 12, 2025. The announcement was made through regulatory filings to stock exchanges on December 11, 2025.

Commercial Operation Details

The commercial operation declaration follows successful commissioning and due approvals for the 250MW unit. THDC India Limited made the disclosure under Regulation 51(1) read with Part B of Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015.

Capacity Enhancement Impact

With the addition of this 250MW unit, THDC India Limited's total installed and commercial capacity has increased to 3,657MW. This represents a significant expansion of the company's operational portfolio and strengthens its position in the power generation sector.

NTPC Group Milestone

The commercial operation of THDC's Unit III contributes to NTPC Group's overall capacity expansion, bringing the group's total installed and commercial capacity to 85,181MW. This milestone reflects the continued growth trajectory of NTPC and its subsidiaries in India's power sector.

About Tehri Pumped Storage Project

The Tehri Pumped Storage Project is designed with a total capacity of 4X250MW, making it a significant infrastructure project in India's renewable energy landscape. Pumped storage projects play a crucial role in grid stability and energy storage, particularly in supporting renewable energy integration.

Regulatory Compliance

THDC India Limited, classified as a Schedule-A Mini Ratna Category-I PSU and subsidiary of NTPC Limited, has fulfilled all regulatory disclosure requirements. The company secretary and compliance officer have ensured proper notification to both BSE Limited and National Stock Exchange of India Limited regarding this commercial operation declaration.

NTPC has announced that its renewable energy subsidiary, NTPC Green Energy, has successfully set the commercial operation date for a 6.6 MW wind project. This milestone represents another step forward in the company's renewable energy expansion strategy and contributes to India's growing clean energy capacity.

Project Details

The newly operational wind project adds 6.6 MW of clean energy generation capacity to NTPC Green Energy's portfolio. The project has reached its commercial operation date, marking the completion of the development and commissioning phase.

Group Capacity Milestone

With the addition of this wind project, the NTPC Group's total installed capacity has reached 84,931 MW. This achievement underscores the company's significant presence in India's power generation sector and its growing focus on renewable energy sources.

Strategic Significance

The commissioning of this wind project aligns with NTPC's broader strategy to expand its renewable energy portfolio through its dedicated subsidiary, NTPC Green Energy. This development contributes to the company's efforts to diversify its energy mix and support India's renewable energy targets.