The National Renewable Energy Laboratory (NREL) is working to reduce the soft costs (non-hardware) associated with PV installation. As part of this effort, they are collecting data from PV installers across the country who have installed residen
The National Renewable Energy Laboratory (NREL) is working to reduce the soft costs (non-hardware) associated with PV installation. As part of this effort, they are collecting data from PV installers across the country who have installed residen