Engineering, procurement and construction (EPC) firm Burns & McDonnell is providing its services for Texas Waves II, a 30MW battery energy storage system (BESS) by RWE.

The 30MW, one-hour system in Scurry County will provide load shifting and grid support services according to a press release. It is expected to come online in late 2022 according to project owner RWE, the Germany-based global energy firm.

Burns & McDonnell described the project as a ‘standalone’ BESS, while in a press release last month that announced the installation of the project’s inverters, RWE said the unit was co-located with the existing Pyron Wind Farm. The EPC firm did say that the battery would charge from the wind farm.

Chris Ruckman, vice president of energy storage at Burns & McDonnell, said: “Adding battery storage in the ERCOT market will be a valuable asset for RWE as they continue supporting their customers with clean, reliable energy.”

ERCOT stands for the Electric Reliability Council of Texas, the grid operator for the majority of the Lone Star State.

Burns & McDonnell said the BESS consists of owner-provided CATL EnerOne battery racks populated with lithium iron phosphate (LFP) battery modules. CATL, based in China, is the largest lithium-ion battery manufacturer in the world today by units sold.

The EPC firm will provide all engineering services for the project, and will install the racks, medium-voltage power station (MVPS) and balance of system (BOS) equipment. The work also includes modifying the existing substation, including installation of a new 34.5-kV vacuum breaker, interconnection details, protective relaying and metering upgrades.