AEP subsidiary selects Wärtsilä for Martinsville energy storage project


AEP OnSite Partners has selected technology firm Wärtsilä for the supply of its next-generation energy storage system.

The energy storage plant will serve the City of Martinsville in Virginia. The project is the first to leverage Wartila’s new GridSolv Quantum energy storage system.

The solution is scheduled to be delivered under an engineering, procurement, and construction 10-year contract. The service agreement includes annual maintenance inspections, GEMS monitoring, extended product warranties, capacity, availability, and Pennsylvania-New Jersey-Maryland (PJM) regional transmission organisation’s Performance score guarantees.

The energy storage system is scheduled to be operational in the second half of 2021.

The City of Martinsville, located in Southern Virginia, has its own distribution utility and maintains their own system which serves approximately 13,000 of its residents and businesses.

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The project will reduce the city’s transmission and capacity peak values, measured in megawatts (MW), within the Appalachian Power regional transmission operator (RTOE) territory and the PJM regional independent system operator (ISO) system.

Along with peak reductions, the system will participate in the PJM fast-response frequency regulation market.

The system availability, energy capacity, round trip efficiency, and PJM performance will be managed by Wärtsilä and collectively reduces environmental impacts of alternative power generation.

The project will enable the city’s peak demand to be reduced by an estimated 9MW.

Joel Jansen, the CEO of AEP Onsite Partners, said: “This innovative storage solution is precisely what we needed to deliver solid operational and financial benefits for the City of Martinsville. The installation will enable us to help the City offset peak load periods and more effectively manage their overall energy usage and costs as well as their reliance on traditional peak energy resources.”