The Little Night Light That Made a Big Difference December 24, 2017 Over a million G7 Power C7 LED night lights sold since 2012. 4.5 Megawatts saved over a 5W incandescent 13.14 GWh saved annually 10% of Nevada Solar One's output Total cost to build Solar One: $266 million Total cost of one million C7s: $3.5 million 87% more cost-effective per Watt than Solar One! Share Get link Facebook Twitter Pinterest Email Other Apps Share Get link Facebook Twitter Pinterest Email Other Apps