Uttarakhand Power Corporation Limited (UPCL) has issued a tender for the development of a 100 MW / 250 MWh standalone Battery Energy Storage System (BESS) across multiple substations in the state. Bids have been invited until March 10, 2026, marking one of the most significant storage procurement initiatives in Uttarakhand to date.
The tender has been structured in three parts, with projects distributed across strategic load centres and substations based on land availability and load flow requirements.
Project Breakdown by Capacity and Location
- 36 MW / 90 MWh across substations in Rudrapur, Kashipur, Haldwani, and Pithoragarh, covering districts such as Udham Singh Nagar and Nainital.
- 23 MW / 57.5 MWh across seven locations in Dehradun.
- 41 MW / 102.5 MWh across six locations including Uttarkashi, Haridwar, and Roorkee.
Together, these clusters will cumulatively deliver 100 MW of power capacity with 250 MWh of storage capability.
Scope of Work and Development Model
Under the tender conditions, selected developers—designated as Battery Energy Storage System Developers (BESSDs)—will be responsible for:
- Site survey and land assessment
- Detailed design and engineering
- Financing
- Supply and installation
- Testing and commissioning
- Long-term operation and maintenance
The projects will be implemented on a Build–Own–Operate (BOO) model, supported by Viability Gap Funding (VGF). The BESS systems will be grid-interactive and made available to UPCL on an “on-demand” charging and discharging basis.
Applications and Grid Role
The primary use cases identified for the BESS installations include:
- Energy time-shift (arbitrage)
- Ramping support for grid stability
To maximise utilisation and enhance economic viability, the systems will also be capable of delivering:
- Frequency support and ancillary services
- Capacity upgrade deferral
- Resource adequacy support
- Backup supply to critical loads
- Black start capability
This multi-application design reflects a strategic move toward optimising grid flexibility in a state experiencing growing renewable integration and load variability.
| Capacity | 100MW/250MWh Standalone BESS |
| Last Date | 10/03/2026 |
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