Hi William,
Thanks for posting the links to your studies. With CA NEM. 2.0 customers
forced into TOU rate schedule, I have been wondering if you have done an
analysis on whether TOU-C (peak 4-9 everyday) or TOU-D (peak 5-8 weekdays)
is a better pair with solar?
https://www.pge.com/pge_global/commo
Hi All,
I am planning on using a Sol-Ark for the first time for adding battery
backup to an existing system. It is Enphase, so clearly it will be AC
coupled, and there is a whole house generator. When I talked to Sol-Ark
about it, they recommended putting the generator on a time of use schedule
to
We have a couple of off-grid systems (not SolArk) where we put a Dwyer current
sensing relay on the output from the generator, energizing a Gigavac, DC relay
that opens the combined PV output circuit and it works well.
Not exactly what you are looking for, but the principal would be the same.
Rebekah:
Well I spent way too much time thinking about and trying to model these
PG&E rates in Excel. Here is what I came up with:
The higher the value, the better the rate plan for selling energy. As you
can see, there is not much difference between all of these options. About
a week ag
NREL’s free SAM tool can model tiered & TOU rates with PV generation:
https://sam.nrel.gov/
It’s a little clunky to use on every project, but everything can be
exported to spreadsheets to dial it in further/work outside of the tool.
Consumption data can also be input into the tool.
--
*Phil Bout
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