The North American unit of French utility group Engie SA (<a href="https://live.euronext.com/en/product/equities/FR0010208488-XPAR" target="_blank">EPA:ENGI</a>) has signed a pact to supply up to 300 MW of wind power to a data centre owned by Cipher Mining Inc (<a href="https://www.nasdaq.com/market-activity/stocks/cifr" target="_blank">NASDAQ:CIFR</a>) in Texas.