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. That added $2200 to the total project cost, but should increase output by about a third after considering new panel and inverter efficiency, plus old panels age/degradation. Let’s see if this is financially worthwhile... Hyperion By Runergy 400W Bifacial Solar Panels and a Growatt 7.6kW 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). Price above reflects 14 panels. 8/...
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