Tilt vs. flat-mount PV: does it really matter?

Tilt vs. flat-mount PV: does it really matter?

Have you ever wondered if PV system orientation really makes that much difference to the amount of power produced by a PV system? As the map below illustrates, the answer is typically yes, but to varying degrees. This ‘Energy Gains’ map depicts how tilting solar...
NREL turns to SolarAnywhere for NSRDB

NREL turns to SolarAnywhere for NSRDB

Yesterday, the National Renewable Energy Laboratory (NREL) announced the newest release of the National Solar Radiation Database (NSRDB). The database is widely used by solar system designers, building architects and engineers, renewable energy analysts and others to...