I think the big problem is how to fill in the energy voids. That is,
during night or other times when usage exceeds generation.
Tying to the grid is the easy solution but I can see why the energy
companies are resisting that: they sell less electricity - and get less
revenue - but still need to maintain the same staff and infrastructure
to be ready for you at any moment. Here, in the pacific NW, it's not as
big a deal since most of the power comes from hydro. But it certainly is
a resistance factor if your peak power comes from fossil fuels.
The complete solution will require massive amounts of energy storage. As
everyone knows, this is expensive to build and not particularly
efficient. I hope we can come up with inexpensive, safe storage that can
be distributed to every point of use.
Peri
------ Original Message ------
From: "Willie via EV" <[email protected]>
To: [email protected]
Cc: "Willie" <[email protected]>
Sent: 07-May-20 7:23:35 AM
Subject: Re: [EVDL] EV Digest, Vol 91, Issue 6
On 5/7/20 8:54 AM, Peri Hartman via EV wrote:
It's really supportive to hear Tim's and Larry's testimony. So often I hear or
read that solar is too problematic because we need massive solar farms, which
will be expensive and have significant ecological impact. (My speculation: this
comes from energy company propaganda, indicating they don't want to take losses
on their current infrastructure or loose a source of revenue.)
With abundant ground space and no HOA, I've been astonished how cheaply PV can
be installed. My current cost estimate is ~$.30/watt including all material
but not labor. Selling at local wholesale rates and with no incentives, my
payback period is about 5 years. 3-4 years if I am avoiding retail rates. If
someone wants to argue that PV is expensive, I am certainly willing to set them
straight.
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