“energy”

20 symbols from Material Design Icons

barrel

barrel-outline

gas-burner

home-battery

lightning-bolt

solar-panel

solar-power

transmission-tower

wind-power

home-battery-outline

home-lightning-bolt

lightning-bolt-circle

lightning-bolt-outline

solar-panel-large

solar-power-variant

transmission-tower-export

transmission-tower-import

wind-power-outline

home-lightning-bolt-outline

solar-power-variant-outline