Photovoltaics Installation FAQs 9/15/25 Update I violated The Grumpy Rule* last weekend by allowing one JBillel to talk me into replacing my solar panels with newer better ones…he had to help though. Dropping twenty 35-lb panels and hoisting twelve 55-pounders up/down from a 20 foot roof was hard work, even for the young helper…satisfying, but never again. Let’s see if this is financially worthwhile. Twelve (maybe 14) Hyperion By Runergy 400W Bifacial Solar Panels, and one Growatt 6kW Grid-Tie Inverter, all from Signature Solar . Good people to work with. *The reason old men get hurt? From thinking they’re still young men… EDIT: And now I get to add an additional seven inches to the end of those racks so I can install another two panels...for 5.6kW total (4.1kW on original installation). 8/1/24 Update Most of the below info is still valid, however 16 years on I have yet to recover my initial installation costs. The installed cost of the 4.1kW system was $18,109 (2008 dollars); as...
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