Hi Max, We¹ve done one, have one in the shop ready to go, and another on contract. Great solution for future expansion and clean installation. All mods are in parallel, but installation (with adapter cord) is end to end. No main inverter, no DC disconnect, no service or ³grouped² AC disconnect required. It¹s just one (or more) branch circuit to a 15A DP breaker. We¹ve estimated that for systems <2.5 kW it¹s more cost effective, than using a string inverter. That¹s with no shading. If you have partial shading or different orientations the cost-effectiveness improves dramatically for larger systems.
Our inspectors want a partial-cover array inspection (to check inverter listing and mounting), which is a bit of a hassle to arrange. Hopefully that will ease up once they see a few installs. Enphase gets the customer with the web-based, subscription, system monitoring. For small systems the production will barely cover the base cost + annual fee (free for the first year). -Kelly Kelly Keilwitz, P.E. Whidbey Sun & Wind, LLC Renewable Energy Systems NABCEP Certified PV Installer 987 Wanamaker Rd, Coupeville, WA 98239 PH & FAX 360-678-7131 sunw...@whidbeysunwind.com On 2/6/09 5:37 PM, "Max Balchowsky" <m...@seesolar.com> wrote: > I've been asked to evaluate a set of plans that came accross the counter of a > local municipality recently. It was the microinverter system by Enphase. I've > seen this product, but this is the first actual installation I'm exposed to. > Has anyone installed these? > > Max Balchowsky > SEE Systems >
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