TeraWulf ( NASDAQ: WULF ) said Monday it energized around half of its 50-MW stake in the nuclear-powered Nautilus Cryptomine facility, its joint venture with cryptocurrency miner Cumulus Coin, bringing ~8K miners online. This represents a hash rate capacity of ~1.0 EH/s. The facility is the first behind-the-meter bitcoin ( BTC-USD ) mining site that sources power from the Susquehanna nuclear power station in Pennsylvania. TeraWulf ( WULF ) expects to energize the remaining miners (~8K) over the coming weeks, with its share in phase one of the facility expected online by May (50 MW and 1.9 EH/s). The company has the option to add additional 50 MW of mining capacity at the facility, which it plans to deploy in future phases. TeraWulf ( WULF ) is expanding mining operations at its wholly owned Lake Mariner facility in New York, which will increase its operational capacity from 60 MW to 110 MW. With both facilities combined, TeraWulf ( WULF ) expects to have total operational capacity of 50K miners (5.5 EH/s) in early Q2, representing ~160 MW of power demand. Cumulus Coin is owned by independent power producer Talen Energy. Earlier, TeraWulf's ( WULF ) BTC production rises over 25% sequentially in January .