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The Water Cooler
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Are solar panels worth the investment?
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<blockquote data-quote="-Pjackso" data-source="post: 3623187" data-attributes="member: 8119"><p>Absolutely!!!</p><p>The contractor I used claimed a 5-7 year ROI, but after I reviewed real world output and calculated my own numbers - I calculated a 22.4 year ROI. When I asked how the contractor 'calculated' his numbers - the math was blatantly wrong. I just said 'thanks' and parted ways.</p><p>Run your own numbers.</p><p></p><p></p><p>FOR REAL WORLD PV Solar generation numbers - in Oklahoma City:</p><p>1) Go here (ht tps://ww w.sunnyportal.co m): <a href="https://www.sunnyportal.com" target="_blank">SMA Solar Technology AG - Sunny Portal</a></p><p>2) Then click on 'Publicly available PV Systems'</p><p>3) Under city enter: oklahoma city</p><p></p><p>Find and review real-world PV generation. Note the size of the system - and scale it appropriately for your system.</p><p>Look for monthly yield (KWh) - then multiply by the KWh electric rate. That's the PV monthly 'savings'.</p><p>Now compare monthly savings to your total system expense for (simple ROI).</p></blockquote><p></p>
[QUOTE="-Pjackso, post: 3623187, member: 8119"] Absolutely!!! The contractor I used claimed a 5-7 year ROI, but after I reviewed real world output and calculated my own numbers - I calculated a 22.4 year ROI. When I asked how the contractor 'calculated' his numbers - the math was blatantly wrong. I just said 'thanks' and parted ways. Run your own numbers. FOR REAL WORLD PV Solar generation numbers - in Oklahoma City: 1) Go here (ht tps://ww w.sunnyportal.co m): [URL='https://www.sunnyportal.com']SMA Solar Technology AG - Sunny Portal[/URL] 2) Then click on 'Publicly available PV Systems' 3) Under city enter: oklahoma city Find and review real-world PV generation. Note the size of the system - and scale it appropriately for your system. Look for monthly yield (KWh) - then multiply by the KWh electric rate. That's the PV monthly 'savings'. Now compare monthly savings to your total system expense for (simple ROI). [/QUOTE]
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