[Sbse] Back up energy sources [was: embodied energy savings potential

David Slutzky david at fermataenergy.com
Sun Apr 11 15:41:04 PDT 2021


Fermata Energy will bring a residential EV charger to the US market in
early 2022 with blackstart and islanding features, making it the first true
backup power...paired with a Nissan LEAF, it will provide the equivalent of
4 Tesla power walls.

On Sun, Apr 11, 2021, 6:28 PM Fred Tepfer <ftepfer at uoregon.edu> wrote:

> Sue Roaf said:
> " so where can we f[i]nd heat in an extreme blizzard, with the power out
> for a week?”
>
> Norway requires all houses to have a secondary back-up heat system using a
> different energy source, usually wood, presumably so that people don’t die
> if the power goes out in winter.  Up here on the upper left edge of the US,
> we’ve ridden through several winter outages over the past forty years quite
> comfortably with our wood stove for heat and cooking.  It’s great if you
> think of it as glamping, not trying to “keep the lights on".  It also helps
> to be in an area with plentiful scrap wood.
>
> That being said, we now also have a low-tech way to use our electric car’s
> battery to keep our refrigeration going for quite a number of days in an
> outage.  I’d love to pair that with solar, but our property is too shaded
> for it to make sense.
>
> In an ideal world, our little dead-end street could be a microgrid that in
> an outage cuts itself off from the grid and has limited power from solar
> and/or wind, with either e-car or stationary battery storage.  The local
> utility has started talking about possible demonstration projects ...
>
> Fred
> : :   : :   : :   : :   : :   : :   : :   : :   : :   : :   : :   : :   :
> :   : :   : :   : :   : :   : :
>  Fred Tepfer    |    fredtep at gmail.com    |    photax.wordpress.com
> : :   : :   : :   : :   : :   : :   : :   : :   : :   : :   : :   : :   :
> :   : :   : :   : :   : :   : :
>
> On Apr 10, 2021, at 8:40 AM, Susan Roaf <s.roaf at btinternet.com> wrote:
>
>  so where can we fund heat in an extreme blizzard, with the power out for
> a week?
>
>
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