Wärtsilä lands energy storage project at Hickory Park Solar in the U.S. 4/6/2021 Wärtsiläâs 40 MW / 80 MWh DC-coupled solar-plus-storage hybrid system to North American renewable developer introduces smart bidding solution. The technology group Wärtsilä has again demonstrated its capabilities in advanced energy storage solutions with the award of a contract to supply an engineered equipment delivery (EEQ) of a 40 MW / 80 MWh DC-coupled solar plus storage system to the Hickory Park Solar project in Georgia, USA. The owner of the project is RWE Renewables, one of the worldâs leading renewable energy companies. The Wärtsilä system will enable a subsidiary of RWE Renewables, Hickory Park Solar, LLC, to sell nearly 200 MW of generation from the solar PV panels to Georgia Power Company. The order was booked by Wärtsilä in Q4 2020.