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Archive for the ‘PV’ Category

Here’s the promo video for the Sol-evo PV carport we’ve developed over the last 3 years or so. One of several reasons why this blog has suffered! I try and console myself that at least there’s a good reason.

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It’s taken longer than I’d hoped, but here we go:

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The feed in tariff has arrived and my inbox is filling up fast with emails from companies selling PV systems making wild claims about payback periods and rates of return. Some of them are clearly from cowboys. Some of them are from reputable companies that (unless I’ve missed something or they’re temporarily insane) should know [...]

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As currently proposed, the feed-in-tariffs are likely to be the exclusive domain of the middle class with lower income households shut out from participating. To prevent the FiT being accessible only to the middle classes, it needs to be set at a level that allows banks and private equity providers to step in and cover [...]

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homespun PV at Alex’s house

I spent yesterday at Alex Moody’s house (ex-colleague at XCO2) eating barbequed pizza (awesome) and wiring up a home-made PV panel from single cells (even better). Equipped with an almost-hot-enough soldering iron, I was a one man tabbing line while Alex put the wooden box together. When I left in the late afternoon, Alex took [...]

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Following on from discussion about planning reports last week, here’s a chart I put together showing roughly how much PV you can fit on a flat roof. It’s based on the formulas described by Volker Quaschning, the German Godfather of Sol (Thank you! I’ll be here all week. Try the crab). The shading angle is [...]

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