Solar & Renewables
Residential 8kW system, SolarEdge HD-Wave inverter, 24 LG 335W panels. One string of 12 panels is producing about 30% less than the other string of 12, based on the monitoring data. I pulled optimize...
Working through NEC Article 690 for the first time on a new install. The DC side grounding requirements are the part that's confusing me. Specifically: 1. Do I need equipment grounding conductors (EG...
I'm 2 years into solar installation, mostly residential string systems with some light commercial. I'm considering the NABCEP PV Installation Professional exam. From those who have it — is the certif...
Some AHJs in our area are now requiring a shading analysis to be submitted with permit applications for solar installs. I've been doing shade analysis informally with a Solmetric SunEye for system des...
Installed a Tesla Powerwall 2 with Backup Gateway 2 last month. Works great during normal grid operation — charges from solar and discharges per the set schedule. During a grid outage test, the Power...