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Hello, My question pertains to deciding how to space modules when they are facing due East (or West). I have read the article on this site "Determining Module Inter-Row Spacing" https://www....
Support Question
3/24/2017
  • Residential Storage Deals
With energy storage installations growing at breakneck speeds (100% growth in US installed capacity in 2016), solar installers far and wide are exploring how to best incorporate energy storage in...
Support Article
3/21/2017
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I am working with a property owner on a flat roof tilt-leg system.  They would like to use bifacial modules to capture more power from the backside of the modules. If we re-roof to get a more...
Support Question
3/16/2017
  • Long Tail
Without question national solar installers such as SolarCity (now Tesla), SunRun, Sungevity, and SunPower deserve significant credit for the proliferation of residential solar. From 2012 to 2016...
Support Article
3/9/2017
  • Microgrid
Microgrids are important for a number of reasons. First off, they aid with community-based initiatives such as resiliency, grid efficiency, and the management of increased deployment of Distributed...
Support Article
3/9/2017
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Hi Gentelmen; I have been working on a solar pv system (grid-tie) to be installed on a barge. the barge is spplied by two diesel generators. one is 90KW as a main/standby and the second one is a...
Support Question
3/5/2017
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How do I apply for the SGIP rebate on a residential system and what happens if I do not make the lottery for the incentive level I apply for?
Support Question
3/4/2017
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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
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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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