Maharashtra tenders for 1 GW pumped storage, 5 GW solar power


Maharashtra State Electricity Distribution Co. Ltd (MSEDCL) intends to avail an energy storage facility to meet its Energy Storage Obligations and electricity demand from suitable standalone pumped hydro storage plants connected to the nearest ISTS/InSTS substation and located anywhere in India. It has therefore tendered for the selection of pumped storage developers to provide long-term ISTS/InSTS connected energy storage capacity of 1,000 MW/8,000 MWh (for 8 hours discharge with maximum 5 hours continuous discharge per day) from pumped hydro storage plants located anywhere in India on an on-demand basis for a period of 40 years.

The developers will be selected through tariff-based competitive bidding.

MSEDCL will enter into energy storage facility agreement on an annual fixed charge basis with the selected bidders for a period of 40 years.

The contracted capacity will be provided by the developer on a build-own-operate-maintain (BOOM) basis. The developer will be responsible for financing, development, design, engineering, procurement, construction, commissioning, operation, and maintenance of the storage capacity.

MSEDCL intends to avail the energy storage facility to meet its storage RPO, manage surplus electricity available in the grid, meet electricity demand, manage intermittency of RE power and meet ancillary requirements, etc.

In a separate tender, MSEDCL has invited bids from developers to supply 5 GW of solar power from PV plants located in any part of the country. It will enter into power purchase agreement (PPA) with the solar developers selected through competitive bidding for the total capacity of 5 GW.

“Generating stations coming on stream on or after 01.04.2025 are required to supplement their
conventional generation with minimum supply of RE to the extent of 10%. RGO shall be assessed in terms of annual share of RE generation as a percentage of total annual generation (including both conventional and RE). Therefore, MSEDCL has decided to procure 5000 MW of solar power capacity..This will help MSEDCL in tying up large scale capacity in one step with optimal mix and it is expected to get better rates also due to benefit of larger scale. This will also attract potential generators of coal based power as they will be able to fulfill their RGO obligations,” stated MSEDCL.

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