Energy 100.5 HD2 is the HD Radio subchannel of KZZO (100.5 FM) in Sacramento, California, playing dance and EDM music around the clock under the slogan "Sacramento's Home for Dance Music". It is operated by Bonneville International and streams online via Bonneville's player and the NOW 100.5 app. The channel was previously branded Pulse Radio / 100.5 Pulse HD2.