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Home / Solar Power / Your energy efficiency equations are wrong – and the utilities need be scared

If you install installation then you’ll save electricity right? Well – what if you installed so much insulation and consciously built window angles and included natural lighting – then you’ll no longer just save electricity, you’ll not need a furnace – or it’ll be smaller, and less ductwork, and less construction, and less labor. Meaning you’re saving a lot more than simply electricity. The bigger picture though – per Lovins, the founder of the Rocky Mountain Institute, that the total amount of electricity sold in the USA has actually fallen since 2007 – is just a potential warm up if people really took efficiency seriously.

SOURCE“If you keep investing well beyond that supposed cost-effectiveness limit, suddenly your marginal cost goes back down because now your house loses so little heat that it no longer needs a furnace, ducts, fans, pipes, pumps, wires, controls [and] fuel-supply arrangements,” Lovins said. Lovins displayed a photo of him with his latest harvest of bananas, grown in his 35-year-old passive solar home near Aspen, Colo. “Integrative design saved 99% of its heating energy and $1,100 of construction cost because the super insulation, super windows and so on cost less than the heating system they displaced,” he said. “Now over 160,000 European buildings do this.”

By John Fitzgerald Weaver

John Fitzgerald Weaver is a solar developer; known digitally as the 'Commercial Solar Guy.' As a project developer and installer, he’s sold and managed 50+ solar projects, valued over $25 million, ranging in size from 5kW to 1500kW. He’s been involved in many aspects of the solar supply chain –- as a company founder, developer, project manager, manufacturer, permit runner, salesman, contractor and financier. In his free time he tries to get away and clear his mind by climbing mountains, or more regularly by enjoying an IPA or scotch, and really loves the strange connection between politics, energy, finance, and environment in the energy world.

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