Installer Support

  • Aerocompact Ballasted Racking
Every project manager overseeing a flat roof commercial solar project seems to confront the racking topic of ballast vs direct attachment. While direct attachment is grabbing attention at trade shows...
Support Article
2/21/2017
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I am working with a customer on a tight budget to install a 7.2 kW system and we are going to use a string inverter. It turns two of the modules will catch shadows from a tree. I’m married to a...
Support Question
2/21/2017
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I am looking for a designer that can design a modification to my existing 42 panel enphase system to enable off grid operation.   Chris 925-683-9140
Support Question
2/19/2017
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We are bidding a 400 kW DC job using Enphase C250s that will be tied to 277/480V service. Looking for a 400 KVA transformer since Enphase specifies that the C250 requires a transformer to work with...
Support Question
2/16/2017
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I am exploring the options for mounting flexible monocrystaline panels of my '13 Chevrolet Volt.  Unfortunately I have no idea what voltage the traction battery runs at.  Any ideas how I could figure...
Support Question
2/7/2017
  • MLK School Solar PV
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...
Support Article
2/6/2017
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Are smart modules the same thing as microinverters or optimizers?
Support Question
2/3/2017
  • Distributed solar
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)...
Support Article
2/3/2017
  • Lead-Acid Battery
  Lead-Acid batteries are still the most common form of energy storage for photovoltaic systems. A lead-acid battery charges, stores, and discharges energy based on a chemical reaction of the metal...
Support Article
2/2/2017
  • Panasonic HIT Install
What lasts for 25 years?  While bell bottom jeans, mullets and CDs have come and gone, the solar industry revolves around the promise of the 10- and 25-year performance warranty -- the promise that...
Support Article
1/24/2017
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It seems like there are 4 or 5 different battery types available that I could use for solar projects. How do I compare the economics between different batteries?
Support Question
1/20/2017
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I am doing an East/West Array.  Do I need two separate inverters or an inverter with at least two MPPs? How does production stack up between these options? Thank you. 
Support Question
1/10/2017
  • PACE Financing
For a primer on PACE financing see HERE. While Utility and Residential solar grew more than 50% annually (from 2012-2015, no exact 2016 numbers yet), the Commercial sector’s growth has been...
Support Article
1/10/2017
  • TVA REAP Carport
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...
Support Article
1/10/2017
  • Huawei test facility
This article will serve as an introduction to the world of string inverter reliability and answer: What are inverter manufacturers doing to increase the reliability of their products? Which...
Support Article
12/27/2016
  • Image courtesy Casey Electric
MC4 PV-C2M Crimping Tool Having a crimping tool ready in the toolbox is essential for any solar installer doing a job with a string inverter. Instead of buying pre-cut lengths of MC4 cable, the...
Support Article
12/27/2016

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