Solar Energy

Solar Photovoltaics

Grid-Tie Systems

Grid-Tie Systems connect directly into the electric utility feed.  Net Metering is possible with this type of system.   There is no battery backup therefore it provides no backup power when there is no sunlight or when utility power fails.  There are three basic Solar PV Systems.  The Energy Center team will be glad to help you determine which system best suits your residential or commercial needs.

Grid-Tie Systems with Battery Backup

Grid-Tie Systems with Battery Backup feed excess power to the grid and provide backup power when there is no sunlight or when the utility power fails.  In this type of system, you sacrifice some power generation efficiency in exchange for backup power.  The amount of backup power you have depends on the size and number of batteries and their electrical loads.  The PV system charges the batteries during daylight hours and the batteries supply power when the sun goes down or during times of cloudy or rainy weather.  Lead-Acid, Deep-Cycle batteries are the best choice for a PV system.

Off-Grid Systems

Off-Grid Systems are independent of the utility grid.  With this type of system, you can use solar, wind, hydroelectric or a any combination of these to produce your electric power.  A gas or diesel generator backup system may be needed to supplement power if this type of system does not meet all of your power needs. 

Solar Hot Water Heaters

Lower your utility costs today with a solar hot water heater!  Around 30% of your utility bill is contributed to heating water. Solar hot water heaters provide additional hot water capacity, are a clean, green and environmentally friendly energy source and maintain hot water during power outages.

A solar hot water system increases the value of your home and utility bill savings can pay for the system in three to five years.  In addition, there is a Federal tax credit of 30%.

The installation site of all solar collectors should be chosen so that the unit receives maximum solar exposure without shade.  For optimum performance, the collector should face due south.