Solar Surge
Fly the sun, dodge the clouds, and learn how weather conditions change a solar array's output.
SOLAR SURGE
Level 1 · First Light
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Irradiance: At sunrise the sun is low, so irradiance, the energy hitting your panels, is weak.
Energy 101
Best Energy Efficient Home Improvements: From $20 LED Bulbs to Heat Pumps
Want to cut your energy bills? Start with a $20 LED bulb and work up to a heat pump. Here are 6 energy efficient home improvements — half of which cost under $100 — ranked from easiest to biggest impact.
