Solar ResourceCDAE106

Gary Flomenhoft, BSME, MPP, CEEResearch Associate, Gund Institute, SNR

SOLAR HOT DOGS

How much solar?

Vermont Fuel choices

1. Choose a good site

MO. JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

%SUN 34% 43% 48% 47% 53% 59% 62% 59% 51% 43% 25% 24%

HDD 1513 1333 1187 714 353 90 28 65 207 539 891 1349

TEMP WINTER=29.4F HDD=<65F = <70F INTERIOR TOT 8269

BURLINGTON, VT DATA

1. Choose a good site-bearing angle

2. Orient EAST-WEST AXIS to TRUE south

STOP

2. Orient within 10deg to TRUE south

2800 km2800 km

2. Orient within 10deg to TRUE south

2. Orient within 10deg to TRUE south

Declination (variation)

2. Orient within 10deg to TRUE south

Looking South is a Sunroom Topped with PVs

Selective Surfaces

Central Wood Pellet Boiler

12. Provide properly sized eco-friendly back-up

Wood Pellets

12. Provide properly sized eco-friendly back-up

100% heat and hot water/no fuel-ground source heat pump