philip
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SDG&E EV-TOU-5

Thu Jul 05, 2018 6:13 pm

Just a heads up that San Diego Gas & Electric has an new EV rate. This one has a $16 monthly charge in exchange for .09/kWh super off peak rates - and a very slight savings on the other time periods.

This is probably better than EV-TOU-2 if you don't have PV. As it only takes 115 kWh of super off peak power each month to come out ahead.

If you have PV, then you will have to do a bit of work to figure out if it works out or not since the $16 monthly charge isn't part of NET metering and doesn't buy you any energy (it isn't a minimum charge). So under the new tariff, you will pay $192/year before you pay for any energy versus paying $120/year for $120 worth of energy.

Also, if you are on grandfathered TOU time periods, you will lose that status if you switch. This rate only has the 4-9pm peak rate on the tariff - no grandfathered time periods. It may still be a better deal if you use a lot of super off peak power and have low usage in the evenings - this will need to also be weighed against the super off peak going into the afternoons on weekends (not good for PV credits).

http://regarchive.sdge.com/tm2/pdf/ELEC ... -TOU-5.pdf
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lkkms2
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Re: SDG&E EV-TOU-5

Fri Jul 06, 2018 1:21 am

Thanks for sharing this.

This would be even nicer if you could choose EV-TOU 5 instead of EV-TOU (EV Only with separate meter), but it appears it is for both home and EV combined like EV-TOU 2. So if you have larger home kWh use during peak time it may not make sense. If your home kWh use is small compared to a large EV kWh use then this is sweet.

Interesting option. I wonder what was the impetus to develop this option.
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philip
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Re: SDG&E EV-TOU-5

Fri Jul 06, 2018 8:51 am

lkkms2 wrote:Interesting option. I wonder what was the impetus to develop this option.


They had some experimental rates that were similar to this one (three of them in fact), and I think this is the culmination of that. The idea being that the utility can separate their fixed cost from variable costs - so the consumer pays a fixed rate that covers the fixed cost to provide service to a residence, which is normally rolled into rates given to all customers (giving an arguably unfair advantage to those with PV who do not contribute to those fixed costs). Kind of how commercial customers have a demand charge.

It also makes evening EV charging a lot more reasonable as .23/kWhr is approaching the cost of an efficient ICE on gasoline/diesel. When I first switched onto EV-TOU2, the super off peak rate was .14/kWhr and peak was .28 - it's kind of ridiculous now with peak at .53+ (on non-grandfathered tou time periods). I can run a diesel or NG gen set for less than that.
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lkkms2
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Re: SDG&E EV-TOU-5

Sun Jul 08, 2018 1:47 am

philip wrote:
lkkms2 wrote:Interesting option. I wonder what was the impetus to develop this option.


They had some experimental rates that were similar to this one (three of them in fact), and I think this is the culmination of that. The idea being that the utility can separate their fixed cost from variable costs - so the consumer pays a fixed rate that covers the fixed cost to provide service to a residence, which is normally rolled into rates given to all customers (giving an arguably unfair advantage to those with PV who do not contribute to those fixed costs). Kind of how commercial customers have a demand charge.

It also makes evening EV charging a lot more reasonable as .23/kWhr is approaching the cost of an efficient ICE on gasoline/diesel. When I first switched onto EV-TOU2, the super off peak rate was .14/kWhr and peak was .28 - it's kind of ridiculous now with peak at .53+ (on non-grandfathered tou time periods). I can run a diesel or NG gen set for less than that.


I know that some people that installed Solar years ago are grandfathered into a good Net metering rate, I wonder if this new rate would be good for new SDGE customers adding solar + storage + EV? I am planning to add solar and storage (have an EV already with 2nd/separate submeter). Any thoughts on this?

If Randy from SDGE see this, what is your input?
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plugzin
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Re: SDG&E EV-TOU-5

Sun Jul 08, 2018 10:25 am

If you have solar (or are expecting to have it soon), be cautious. The $16 fixed service fee will accumulate and result in a true-up charge of nearly $200, every 12 months. If your solar suffices for all your consumption over the 12 months, then EVTOU5 would likely increase your cost. If not, or if you don't have/expect a solar system soon, and you charge EV's after midnight, then EVTOU5 is a fantastic deal. Just remember there are grandfathering provisions for older tariffs, and if you change, it is a one-way transaction.

Indeed, the trend to separate fixed costs from variable costs is the goal, which will provide customers with rational price "signals". Think of you phone or cable service; the monthly cost is mostly a function of having the service available to you, regardless of usage.
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smkettner
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Re: SDG&E EV-TOU-5

Sun Jul 08, 2018 6:24 pm

By the time I pay fixed cost I might be completely off-grid.
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drees
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Re: SDG&E EV-TOU-5

Sun Jul 15, 2018 10:51 pm

I heard about this plan from a fellow EV owner over the weekend. Since my solar system is not currently large enough to offset all my usage, this looks like it will easily reduce my bill by a decent amount. My system is old enough that I was not grandfathered into the recent TOU time periods so I've been living with the new TOU time periods since Dec 1, 2017 which really affect the ability to generate on-peak credits. Now

Now, EV-TOU2 and DR-SES (exactly the same rates these days) both include a minimum charge as well, $0.329/day or $9.87 for a 30-day billing cycle.

This minimum charge adjustment also gets added to your bill under a "Minimum Charge Adjustment" line-item. If I understand right - the monthly service fee for EV-TOU5 is added on top of your energy billing charges, instead of being a minimum charge as in EV-TOU2.
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davewill
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Re: SDG&E EV-TOU-5

Mon Jul 16, 2018 10:02 am

I logged into my account at SDG&E, and they've added a new feature that calculates your annual fees using all the available plans based on your last 12 months usage. In my case, EV-TOU-5 cut my annual bill in half. I'm in a similar situation to drees. My solar doesn't cover all of my usage. Under the old TOU periods, I was fine, but the new periods would have jacked my annual bill up to $1,101. EV-TOU-5 cuts that down to $574.
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LeafPowerIsIxE
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Re: SDG&E EV-TOU-5

Thu Jul 19, 2018 1:26 pm

davewill wrote:I logged into my account at SDG&E, and they've added a new feature that calculates your annual fees using all the available plans based on your last 12 months usage. In my case, EV-TOU-5 cut my annual bill in half. I'm in a similar situation to drees. My solar doesn't cover all of my usage. Under the old TOU periods, I was fine, but the new periods would have jacked my annual bill up to $1,101. EV-TOU-5 cuts that down to $574.



Where did you find this simulator?

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davewill
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Re: SDG&E EV-TOU-5

Fri Jul 20, 2018 11:37 am

LeafPowerIsIxE wrote:Where did you find this simulator?

Log into https://myaccount.sdge.com then choose "Compare Pricing Plans".
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