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Posted 3 days ago | 2 minute read

PJM needs 23GW of energy storage by 2040
The PJM region must deploy at least 16GW of energy storage by 2032 and 23GW by 2040 to maintain grid reliability, according to a report by Brattle commissioned by the US Energy Storage Coalition.
Published on October 9, the report concludes that if the region can effectively deploy energy storage, it can:
- avoid a 30% increase in electricity costs.
- prevent significant, recurring planned and emergency power outages due to energy shortfalls.
- effectively prepare the power grid to serve existing homes and businesses and new data centers and factories by adding 30 GW of new energy storage and natural gas resources.
- complement gas generation, maximizing its energy output by using energy storage to manage fluctuating supply and demand, enabling standby gas resources to serve as baseload power.
Falling short could result in 15GW of load shed during extreme weather and a 38% rise in electricity costs by 2028.
The report also notes that hundreds of energy storage projects are currently stalled in PJM’s interconnection queue, with regulatory, permitting, and market design barriers delaying critical deployment. It calls for a streamlined interconnection processes, reform of market rules to properly value storage services, clarify transmission charge allocations, and modernize permitting standards.

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