Altus Power Inc (<a href="https://www.nyse.com/quote/XNYS:AMPS" target="_blank">NYSE:AMPS</a>) has agreed to be acquired by private equity firm TPG Inc (<a href="https://www.nasdaq.com/market-activity/stocks/tpg" target="_blank">NASDAQ:TPG</a>) in a deal valued at about USD 2.2 billion (EUR 2.11bn), including debt, with the news sending shares of the US clean electricity provider soaring on Thursday.