Indian utility tenders 1 GWh of standalone battery storage

The Vidyut Vyapar Nigam power trading arm of Indian utility the National thermal Power Company (NTPC) has invited proposals from developers to set up transmission system-connected standalone battery energy storage systems (BESS) in the state of Rajasthan. The projects are with an aggregate storage capacity of 1 GWh (500 MW x 2 hours) are eligible for central financial assistance in the form of viability gap funding.
The minimum bid size is 100 MWh (50 MW x 2 hours).
The selected BESS developers will install, operate and maintain the systems, which NVVN will charge and discharge on an on-demand basis. NVVN will use the systems to meet the needs of power generation, transmission and distribution company Rajasthan Urja Vikas and IT Services Ltd (the end procurer) during the peak and off-peak hours.
The total project capacity of 1 GWh will be located at Rajasthan Urja Vikas and IT Services Ltd generating stations in Rajasthan.
The BESS developer must ensure the BESS is available for two complete charge-discharge cycles per day.
NVVN, as the BESS Implementing Agency (BIA), will enter into a battery energy storage purchase agreement (BESPA) with the successful bidders. The charging power for the BESS shall be provided by the end procurer (Rajasthan Urja Vikas and IT Services).