Solar Articles

  • Over circuit protection
Determining when fuses are required at PV string outputs and when they are not is often not as clearly defined.  Here I will show how to determine this easily, to help avoid a potential problem,...
Support Article
7/27/2015
  • Why is solar valuable to the society
As net energy metering (NEM) caps across the country begin to approach their legislative quotas many states have no choice but to reevaluate their solar policy landscape. Although there is little...
Support Article
7/27/2015
  • dispatchable power
Falling energy storage costs and steadily increasing solar capacity stand to catalyze a paradigm shift from net metering to distributed energy storage.  Implementing a system composed of a web of...
Support Article
7/10/2015
  • Not code compliant, improper installation techniques, hazardous
Solar power isn't a perfect fit for every type of home.  A recent family adventure took me to the mountains of Kentucky where the use of solar is starting to really catch on.  Many of the installs...
Support Article
7/9/2015
  • How Much do Solar Panels Weight?
Evaluating the ability of a roof to support solar modules requires assessing the condition and construction of the roof, calculating the weight impact of the solar modules and support structures,...
Support Article
6/22/2015
  • specialty electrical panels, solar panels distribution
Specialty distribution panels for battery-based systems are well worth the minor additional upfront costs. These panels, are available from most of the major players including Schneider,...
Support Article
6/21/2015
  • Over the course of its tenure the ITC guided the cost of installed solar from $7
  Since the introduction of a solar investment tax credit (ITC) in 2006 the number of solar installations has grown by over 1,600%.  Going beyond encouraging the adoption of residential and...
Support Article
6/19/2015
  • MPPT Charge Controllers
Selecting an efficient and properly designed charge controller is key to the longevity and efficiency of your entire battery-based photovoltaic (PV) system. By optimizing the power coming in from...
Support Article
6/4/2015
  • SolarWorld’s latest innovation; the 290 watt monocrystalline silver-framed modul
Launched in 1975 as Solar Technology International, SolarWorld has been leading an innovative charge in photovoltaics for 40 years.  Founder Bill Yerkes demanded SolarWorld lead by example from...
Support Article
6/1/2015
  • Recent Developments to Renewable Portfolio Standards
Although the federal government has yet to enact a sweeping renewable portfolio standard (RPS), individual states have continued their push towards greater renewable generation.  Sixteen states...
Support Article
5/21/2015
  • Block diagrams present an organized visual representation
The design of PV systems can be fairly simple as well as extremely complex.  No matter how difficult or easy, it is important to document the design process.  Doing so will help flush out issues...
Support Article
5/21/2015
When designing a PV system that is tilted or ground mounted, determining the appropriate spacing between each row can be troublesome or a downright migraine in the making.  However, it is important...
Support Article
5/21/2015
  • Installers should seriously consider SolarEdge for any commercial project
If an installer is contemplating using SolarEdge or not, most likely it is a residential system, and the big design decision is whether to use Enphase or SolarEdge.  Both manufacturers offer...
Support Article
5/9/2015
  • Solar Inverter String Design Calculations
For many new to photovoltaic system design, determining the maximum number of modules per series string can seem straight forward, right?  Simply divide the inverter’s maximum system voltage rating...
Support Article
5/9/2015
  • Reional DG penetration
There are many reasons to promote the spread of solar; decreased dependence on volatile fuel commodities, minimal operational costs and near zero emissions.  For these reasons and more, many states...
Support Article
4/23/2015
  • Conductor sizing for single phase inverter
  Conductor Sizing The simple formula that can help you quickly select the correct conductor size from a single phase inverter to the point of common coupling (POCC), is straightforward when...
Support Article
4/23/2015

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