US utility Entergy (<a href="https://www.nyse.com/quote/XNYS:ETR" target="_blank">NYSE:ETR</a>) has entered into a joint development agreement with NextEra Energy Resources LLC, a unit of NextEra Energy Inc (<a href="https://www.nyse.com/quote/XNYS:NEE" target="_blank">NYSE:NEE</a>), in connection with up to 4.5 GW of new solar generation and energy storage projects.