Contents (Oct/Nov '08 : Issue 1.1)
The jump to larger commercial systems can seem intimidating, but many concepts and design issues are common to both kW and MW scale projects.
String inverters are specified in systems from 1 kW to 100 kW and up. Compare specifications of 40 plus grid-direct inverters currently available in...
Stay abreast of the numerous changes in the 2008 NEC related to equipment grounding.
Large solar water heaters have design and installation considerations that are often inconsequential in smaller residential systems.
Using caulked L-feet is an accepted, general practice in solar installations. It is also without precedent in the roofing industry.