Solar Panels: 36 Bp silicon panels laid out on a nearby slope support house and caretaker cottage energy produced by
Solar Panels: 5.4 kilowatt-hours
Energy Storage: Lead-acid batteries (120 kwh or 2 days’ worth)
Cloudy-Day System: Propane-powered generator
Heat: Radiant heating in concrete slab floors
Water Supply: Artisian wells
Hot Water: On-demand system supplies house and hot tub
Decorative Waterfall: Turned on only for visitors (otherwise would use 2 kwh per day)
Cost of Entire System: $50,000 to install, about $12,000 per year for propane and