Commercial Solar

Information about medium-sized installations typically on large commercial and industrial buildings that are connected to the local distribution grid.

O&M Best Practices For Small-Scale PV Systems Success Story


Ask the Expert: Solar Payback Periods - Commercial



Will my home’s solar system need a lot of maintenance?

A well-installed solar system should require very little maintenance over its expected 25 plus year lifetime. The main reason is that solar systems have no moving parts that wear out over time.


What is Passive Solar Heating?

Passive solar heating, also known as passive solar design, takes advantage of a building’s architectural design to store and distribute solar energy in the form of heat.


How might comprehensive tax reform impact the solar industry?

The three most recent major tax reform proposals offered in Congress could increase solar system installation prices by as much as 58 percent as compared to the current tax regime.

Solar 101

How can I go solar if I don't have a suitable roof?

Many homeowners who want to invest in solar energy believe that putting solar on the roof is not a practical option because their roof may be improperly oriented, shaded by trees, or have limited s


Will Congress extend solar tax incentives expiring in 2016?

The 30% Investment Tax Credit (ITC) for residential and commercial solar systems will expire on December 31, 2016, after which the ITC credit drops to 10% for commercial systems and


What federal tax policies are currently in place for solar?

Two federal tax policies, the 30 percent Investment Tax Credit (ITC) and the 5-year Modified Accelerated Cost Recovery System (MACRS), have underpinned the solar industry’s rem

gw kogan

Does GW use solar power?

GW is working hard to become a leader in solar energy and has created several projects to achieve its goals.

net metering

What is “net metering” and why are people arguing about it?

Net energy metering (NEM) is a policy adopted in more than 40 states and the District of Columbia that allows electricity consumers to sell excess electricity generated from their solar p