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...
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,...
Last Tuesday, leaders of the Baker Administration’s Department of Energy Resources (DOER) released their final plan for the state’s new solar incentive, the Solar Massachusetts Renewable Energy...
How do you value solar energy production? That is a question several prominent utilities and Public Utility Commissions (PUCs) are debating across the country as initial Net Energy Metering (NEM)...
As a state without a solar carve-out (no SREC market), and no net metering, Tennessee is expected to install 476 MW of solar electricity over the next five years, more than five times the solar...
Under the proposed incentive, eight blocks of 200 MW each would be opened up to encourage 1600 MW of additional solar capacity in the state over the next several years. Within each block, solar...
What do you do when your array is producing more energy than you consume? Or when you want to go solar but your available property has a suboptimal solar resource? In the absence of a battery backup...
This evolving picture routinely delivers a combination of encouraging and sometimes disheartening developments. While the industry rejoiced with the extension of the federal Investment Tax Credit...
Measuring AC energy delivered by a residential PV system can be broken into two main categories, revenue-grade and non-revenue grade. You might ask then, “Why would I need revenue grade data?” To...
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 a grid-tied Solar PV System unused energy can be sent back to the utility at the grid connection. Solar PV system owners receive utility credits for all the energy that is sent back to the utility...
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...