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Showing posts with the label net zero energy

"Net Zero Energy" Isn't All It Seems

Matt Wald The following is a guest post from Matt Wald, senior director of policy analysis and strategic planning at NEI. Follow Matt on Twitter at @MattLWald. The hot new idea in energy and real estate is the “zero net energy building.” It usually means a building with enough solar panels on the roof so that over the course of a year, it produces as much energy as it consumes. And that means the building poses no burden on the grid, right? Well, no. In fact, the grid’s work may get harder when a zero net energy building is connected . And it means that in real life, the building still has a carbon footprint. That’s not a fatal flaw for “zero” buildings or for solar on the roof. In fact, many aspects of a zero net energy building are unambiguously good and ought to be incorporated into a lot of structures – good insulation, high efficiency lighting and other devices, and placement of the building to make optimum use of the sun, for example. And there’s a certain attracti...