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Solar system for new home?
I'm in WA state and we have incentives to buy WA state produced solar equipment. Here are the production credit rates for WA:
Performance Payments
Washington has a Renewable Energy Credit (“REC”) program that will pay you for every kilowatt-hour (kwh) of solar energy you produce. The base pay rate starts at $0.15/kwh. Shop around and find local products, and that pay rate can go up quite a bit.
If your solar system uses modules produced in the state of Washington for instance, and you qualify for a multiplier of 2.4 to the pay rate, or $0.36/kwh of solar energy produced.
If your system’s inverter was manufactured in Washington, you qualify for a multiplier of 1.2, or $0.18/kwh.
What if both your inverter and your modules are manufactured in Washington? Yep – you get both multipliers for a maximum rate of $0.54/kwh.
REC payments are capped at a maximum of $5,000 per year, and they can be combined with net metering.
I've researched the hell out of this and have so much conflicting information that it's not funny. Here is what I'm considering:
My main questions are this:
Performance Payments
Washington has a Renewable Energy Credit (“REC”) program that will pay you for every kilowatt-hour (kwh) of solar energy you produce. The base pay rate starts at $0.15/kwh. Shop around and find local products, and that pay rate can go up quite a bit.
If your solar system uses modules produced in the state of Washington for instance, and you qualify for a multiplier of 2.4 to the pay rate, or $0.36/kwh of solar energy produced.
If your system’s inverter was manufactured in Washington, you qualify for a multiplier of 1.2, or $0.18/kwh.
What if both your inverter and your modules are manufactured in Washington? Yep – you get both multipliers for a maximum rate of $0.54/kwh.
REC payments are capped at a maximum of $5,000 per year, and they can be combined with net metering.
I've researched the hell out of this and have so much conflicting information that it's not funny. Here is what I'm considering:
- 9 or 10 typical panel system (~240w/panel) with conventional mounts/racks, but the roof is sheathed and I'd love to place the mounts directly on the substrate and catch the center of the truss. Recommendations and why?
- Solar Shingles. CertainTeed Apollo and Dow PowerHouse are the main players here, but Dow's not selling in WA yet.
http://www.certainteedsolar.com/
http://www.dowsolar.com/
My main questions are this:
- If I use panels, what mounting system would you recommend for a new roof construction and how would you install (order of materials and flashing).
- Roofing supplier told me the older CertainTeed weren't great but the new and improved units worked out the bugs, is this true?
- Anyone have experience with these units, especially the Dow PowerHouse and recommend or avoid?
