Azimuth Orientation Loss Calculator

Calculate production impact of panel orientation away from true south (Northern Hemisphere).

180 = South, 90 = East, 270 = West
At optimal orientation

Azimuth Loss by Direction

Direction Azimuth Typical Loss
South1800%
SSE/SSW157/2021-2%
SE/SW135/2254-8%
East/West90/27010-20%
NE/NW45/31520-30%
North0/36030-50%

Why East/West Can Be Good

East/west orientations produce more power in morning/afternoon, which can align better with TOU peak pricing and reduce grid export during midday. May be beneficial for self-consumption optimization.