How much value does solar technology add to homes?

  • Homes with host-owned, solar photovoltaic (PV) energy systems are sold at a premium compared to homes without PV systems.
  • Comparing the results to contributory-value estimates, which are based on income, gross cost and net cost, the researchers found strong, appraisal-based evidence of PV premiums in all of the states examined -- but advised that location, age, size and efficiency must be considered in determining a PV system’s value.

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Seeking to shed more light on how the installation of solar technology can impact home values, a team of researchers from the U.S. Department of Energy’s Lawrence Berkeley National Laboratory recently released a study showing how to calculate the value of green homes. According to the study, led by Appraisal Institute Designated Member Sandra K. Adomatis, homes with host-owned, solar photovoltaic (PV) energy systems are sold at a premium compared to homes without PV systems.