Thursday, January 18, 2007
Jeff Riggert, president of the Madison chapter of the Association of Energy Service Professionals and an active participant in the Madiosn Peak Oil Group, provided a photo and explanation of his home's new solar installations:
Check out the evacuated solar thermal tubes and photovoltaic panels.
This 1.6 KW PV array produces 2,100 kWhs/Yr, and meets 110% of electric usage.
The 6x9 ft. array of 30 6-foot evacuated tubes produces about 180 Therms/Yr. and meets 90% of my hot water demand and 10 percent of space heating load. The remaining space heat is met with a 71% efficient convective wood-burning stove.
The plan is to add more panels and/or tubes, if the 30% federal tax credit can be applied to future capacity additions. Wisconsin Focus On Energy provided a 25% incentive on both systems. The DC-AC phase inverter can go up to 3.9 KW.
Please note the "hot-box" beneath the bay window for winter gardening, biomass logs juxtaposed, and Duke the Devil Hound sitting in front of his dog house. Duke has never paid rent, but always sleeps on a futon in front of the stove (the warmest spot in the house).