The systems we install usually pay for themselves in 3 – 4 years if the buyer is able to receive the 30% income tax credit, and in 5 – 6 years otherwise.
SRECS (Solar Renewable Energy Certificates) are accumulated in an on-line account and sold through an on-line broker.
No. The inverter is designed to shut off as soon as the power in the electrical panel goes out. This is a code requirement. Exceptions are battery backed up systems, which are designed to function during power outages.
It gets exported back to the electrical grid. Under the net metering rules, the electric company is required to buy it back at the same price as it charges the customer for electricity. If the electricity import exceeds the export, the customer pays for the difference.
The life expectancy of a solar PV system is 25 years.
No, although most are. The houses with very shaded or very complex roofs (which are broken up by dormers and other structures, and leave no room to install solar arrays of any significant size) are poor candidates.
Not if it is installed properly, according to the railing manufacturers’ instructions.
The panels and the railing would have to be removed and reinstalled. This could be a significant expense, therefore, we recommend installing solar on a new or a relatively new roof.