Connecting PV modules in parallel requires wiring each of the beneficial terminals of each panel jointly and carrying out the same for the many unfavorable terminals. There are a variety of mapping services which have been designed by SETO awardees that will let you determine In case your roof is https://www.americanarraysolar.com/reliable-heat-pump-installation-services-in-california-save-up-to-30-on-energy-bills/