Energy Independence
How much storage keeps your fridge, well and furnace alive through an outage.
Matched packages
Lights-On GuaranteeRenewable Energy
4.9 · 63 reviews
Eight 415W panels, a 60A MPPT controller, 5 kWh of LiFePO4 storage and a 3 kW inverter — the exact stack running our workshop.
“Sized it Friday, mounted panels Saturday, ran the house off it Sunday. Our January outage lasted 19 hours and we never noticed.”
$4,890$5,290
Water-Flows GuaranteeWater
4.9 · 41 reviews
Helical rotor DC pump, controller, safety rope and drop pipe sized for deep wells with no grid connection.
“Five days without power and the taps never stopped. The pump just runs whenever the sun is up and the tank stays full.”
$2,140
Bill-Drop GuaranteeRenewable Energy
4.7 · 18 reviews
Two evacuated tube collectors, an 80-gallon exchange tank and the drain-back controls for freezing climates.
“The sizing worksheet told me I needed half the array the installer quoted. I built it myself over two weekends and my last twelve bills total $214.”
$3,260
The newsletter
One letter every other Sunday: what we built this week on the mountain, what failed, and the numbers behind it. No fluff, no sponsored filler.