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William: Thanks for the interest. Above 10kW the coop pays wholesale rates for exported power, between 1/4th to 1/3rd of retail. Our all electric building site likely means they'll be exporting much of the power generated on summer days and importing much of the power needed in winter, thus staying ...

Hoping someone has experience to share that could be helpful. We have a nature center under construction with a goal of operating at zero net energy. We're looking to integrate a 10kW PV array, but need to grid-tie with 3-phase power, needed for the fire sprinkler pump and other equipment. Our electrician's ...

Hello Solar Friends: I wrote last Spring about an issue we were having with our grid-tied inverter (Trace/Xantrex 4024 w/battery backup), which would disconnect from the grid for a few hours mid-day on weekdays but not on weekends, nor when it was cloudy. Two solar installers reviewed our installation ...

Hello ASES Community: We have a Xantrex/Trace SW4024 with a Gridtie Interface module that's been running reliably for 20+ years. Recently we upgraded some panels (after discovering some of the AstroPower ones had failed), and to increase production to cover a heat pump water heater. We also upgraded ...