One of the most important tasks when installing a PV system is wire management. This task is sometimes overlooked by installers or not given enough attention. Installers that take their wire...
Simple Payback Among the most commonly discussed and simplest financial indicators is the payback period. Payback period is nearly always included in project proposals as it is an easy metric for...
The Problem Many inverters installed in the last 10+ years are now failing and are no longer protected by the original product warranty. With limited possibilities of extending warranty coverage,...
Lenders of solar loans include traditional community banks as well as specialty lending platforms. Unlike a third-party ownership (TPO) model, a homeowner that purchases their solar system outright...
The majority of residential solar installations in the US fall into two buckets, direct and third-party ownership. A PV system is considered direct ownership if the homeowner owns the equipment...
NEC 2014: Article 690.12 “Rapid Shutdown of PV Systems on Buildings” There were several changes to the 2014 NEC code that affect PV systems. Of these changes, the most notable is article 690...
In 2008, Berkeley, California successfully tested what would eventually become the PACE program. By 2010, more than 18 states instituted similar programs. There were minor differences, but most...
Solar energy is considered the biggest winner of the United States Emergency Economic Stabilization Act of 2008, which provides a tax credit of 30% for solar PV installations until 2016. Tax Credits...
NRTL certification means your solar panels and solar modules conform to safety, health, and environmental standards as required by: NEC, OSHA, and the National Fire Prevention Association. NRTL...