On 07/14/2019 10:41, Willie via EV wrote:
I would be buying about 10kwh per night and paying about $.10/kwh.
Then, during the day, selling back at about $.06/kwh.
That sucks (the buy vs sell cost ratio). When I installed solar last
year, I got switched to a Time Of Use account (did not have a choice).
During the week in summer (June through September), there are three rates.
Peak is 2:00 PM until 8:00 PM, @ 54 cents / KWH
Off Peak is 8:00 AM until 2:00 PM and 8:00 PM until 10:00 PM, @ 30 cents
/ KWH
Super Off Peak is 10:00 PM until 8:00 AM @ 13 cents / KWH
Those rates apply regardless of direction of power. In other words, I
sell power for the same rate that I buy it. There is a baseline credit
that lowers that some, so it's not quite that high, but we do have some
of the highest electric rates in the country. On the weekends and
holidays, there is no Peak rate. And the Peak and Off Peak numbers go
down quite a bit in winter. My solar of course does not generate
anything during most of the Super Off Peak, but is generating during all
of the morning Off Peak and about half of my Peak load. If I cut down
the tree in the back yard, my late afternoon generation would go way
up. My last bill from So. Cal. Edison covered 5/30/19 through 6/28/19
and I consumed 7 KWH of Peak rate, I sold 72 KWH at Off Peak rate, and
consumed 652 KWH at Super Off Peak rate. For the month of June, my
solar produced 1,175 KWH. That is fairly typical. Peak rate is very
close to zero, I sell a bunch at Off Peak, and buy lots at Super Off
Peak. So in my case, if I were to use battery to load shift, I would be
buying power to charge the battery at Super Off Peak and using or
selling it at Peak Rate - about four times the rate. If I ever get an
electric car, it will ONLY charge during Super Off Peak rates. Note,
even with that cost advantage, it's likely not worth storing power in
batteries for load shifting. With that said, it would be nice to be
able to use my solar in a commercial power outage - not that we have
that happen very often.
In case someone is thinking that I use a lot of electricity, you're
right. My average daily total consumption is 50 to 65 KWH per day. A
lot of that is the heaters for five large aquariums and a half dozen
reptiles. I figure my load will go down around 25 KWH per day when my
older son moves out - and takes his pets with him.
--
73
-------------------------------------
Jim Walls - K6CCC
[email protected]
Ofc: 818-548-4804
http://members.dslextreme.com/users/k6ccc/
AMSAT Member 32537 - WSWSS Member 395
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