tbleakne
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Re: Official Southern California Edison thread

Tue Dec 05, 2017 12:25 pm

We all have our stories of disappointing SCE policy, but I occasionally find examples from other states that show we should be grateful for the policies in place in CA, imperfect as they are.

From TN:

https://www.knoxmercury.com/2017/03/15/tvas-resistance-net-metering-creates-obstacle-household-solar-power/

Quotes:

Net metering is allowed in 36 states. It is not an option for the 9 million people served by TVA.

The reason offered by the nation’s largest public power utility is that net metering is not allowed by the law that created TVA. The utility generates electricity and sells it to 155 local power companies (LPCs). The LPCs create and maintain the distribution system and sell the power they bought from TVA to us. The contractual arrangement with TVA is a “buy all, sell all” whereby the LPCs can purchase electricity only from TVA. This effectively forbids net metering, because TVA interprets that as the LPC buying power from the owner of the PV array.

Thus, any grid-tied solar system within the TVA region must have dual metering, one to measure power coming off the grid, another to measure power going to the grid. The arrangement with TVA is likewise “buy all, sell all” in that you have no choice but to sell all the power you generate to TVA, then you buy back whatever you actually consume. If you are able to get in under TVA’s “cap” for its Green Power Providers incentives program, you will be paid the retail rate for the power you generate. All others are paid the lower wholesale rate. Everyone pays the retail rate for what they consume. So the home or business owner pays for the PV system, and TVA makes money on the power generated by it.
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Boomer23
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Re: Official Southern California Edison thread

Tue Dec 05, 2017 12:47 pm

Well that stinks. Thanks for the info tbleakne.

Now what do you know about SCE's plans to force customers to TOU rates that Peak between 4 or 5 pm and 8 or 9 pm?

Do we get grandfathered TOU hours, for how long are we grandfathered? Can a current NEM customer who is on NEM1 select a TOU plan that has more favorable solar hours?
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smkettner
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Location: Orange County, CA

Re: Official Southern California Edison thread

Tue Dec 05, 2017 6:22 pm

I might be looking at going off-grid with TVA. Some places that may not even be possible. Or everything produced would stay in my battery consumed directly.
1 bar lost at 21,451 miles, 16 months.
2 bar lost at 35,339 miles, 25 months.
LEAF traded at 45,400 miles for a RAV4-EV

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Marktm
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Re: Official Southern California Edison thread

Wed Dec 06, 2017 8:22 am

Home solar, either GT or off-grid, IMO, is rapidly becoming an economic reality:

1. Pika/SolarEdge technologies have equipment that can transition easily from grid-tied to high voltage (EV type) battery backup - emergency for now, but eventually economical for off-grid
2. EVs have the potential to become the energy storage of choice (used Leafs are currently the best/cheapest energy storage available). When 100 kWh batteries are common, consumers will have the ability to use the excess energy storage to their economic advantage.
3. V2X is the "missing link" so that consumers have the choice of what works best for them - totally off-grid or grid tied with "smart grid" and "smart charging" apps that maximize their economic return on solar - based on whatever energy contracts available in their area.
4. In Texas, the current economics of GT solar, combined with "free nights" energy provide a significant payback - not there yet, but very close. With the savings of an EV, the economics look even better.

Give it 5-10 years and we'll see - if public utilities and EV manufacturers "wrench the cog" or not.
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Rural cabin with 6750 watts Grid tied PV. Off-grid solar Leaf charging capable (level II).

tbleakne
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Joined: Wed Jul 28, 2010 12:05 pm
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Re: Official Southern California Edison thread

Sun Jan 21, 2018 10:40 pm

New push from SCE for Time-of-Use

Today a friend showed me an alert she had just received from SCE. She has had PV solar for 2 years next May, but on the standard tiered tariff without Time-of-Use. The letter said she had until Mar 1, 2018 to select one of 3 tariff options. If she did not reply, she would be put into Option 1 by default.

Option 1: A new TOU tariff with highest On Peak summer rate 5 to 8 pm weekdays, other crazy things including Super Off Peak starting at 8 am ??
Option 2: Remain with her current tiered rate.
Option 3. Move to tariff TOU-DT, the standard TOU tariff that I and many of you have with SCE, where the On Peak rate is 2pm to 8pm weekdays.

For each of these options SCE had calculated an annual cost estimate based upon her current usage TOU pattern. This values for the full year are reasonable, reflecting her solar generation, although the letter makes no mention of her having solar and Net Metering.

Option 1 $500.
Option 2 $180.
Option 3 $50.

Her question to me: Why should I not choose Option 3? My answer: yes indeed Option 3 is what you want, not Option 1.

I have not received this letter (yet), but because I am on TOU-DT already by choice, I may not get one.

I have also heard from local solar installers that as of Fall 2017, new PV installations are being forced onto a TOU tariff. Are they given a choice of Option 1 or Option 3? If just Option 1, that is really bad for solar and/or EV charging, because you don't get the high price for generating power before 5pm.
LEAF Ocean Blue SL, "100 % Electric" decals, Delivered June 3, 2011
Sold June 2014 27K miles, 18% capacity loss, 1 bar, 5.0 mi/kWh.
Solar 4.6 KW DC with both string and micro-inverters.

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