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Department of Energy Awards $2.5 million to Reduce Costs for Solar PV Installations

While real energy savings are being generated by solar photovoltaics markets in the U.S. and many American homeowners are excited about reducing their electrical...
Carlsbad Caverns National Park, Carlsbad NM Credit: Meridian Solar

Become Solar Smart(er) with PV Training Online

Where were you when _____? Most of us know exactly where we were, who we were with, and what our first thoughts were as...

Back to basics: PV volts, currents, and the NEC

In the beginning. And He said, “Let there be Light” and there was light. Some millennia later, man invented the photovoltaic (PV) cell to convert that...
Meeting Local & National Codes for Solar Installations: New Guide for Plan Reviewers, Inspectors, Installers

Meeting local & national codes for solar installations: New guide for plan reviewers, inspectors,...

The popular and frequently referenced Model Inspection Checklist for Rooftop PV is now updated and expanded to include the latest national and international codes...
A simple approach to inspecting a complex PV installation

A simple approach to inspecting a complex PV installation

For an owner, planning a larger commercial-scale solar photovoltaic (PV) installation involves a myriad of decisions about size, equipment, design, location, and perhaps most...

Getting Down and Dirty with Supply Side PV Connections

Continuing decreases in the cost of photovoltaic (PV) power systems have resulted in residential and commercial PV systems that are increasing in size and...

Meeting Local & National Codes for Solar Installations: New Guide for Plan Reviewers,...

The popular and frequently referenced Model Inspection Checklist for Rooftop PV is now updated and expanded to include the latest national and international codes...

Pool Lifts and PV Connectors

Question I see in the 2017 NEC Section 680.81 requires electrically powered pool lifts to be Listed.  Does UL Certify (List) these types of pool...

Dealing with Currents in PV Systems — Just a little more math

In the previous article in this series, we saw how the voltages from PV modules are affected by the environment and how the National...
Photo 1. Solar installations dominate the landscape

Solar Farms – School of Hard Knocks

If you have read my November/December 2016 article in IAEI Magazine regarding the hard lessons learned by some of the large solar contractors, you...
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