You can choose from two Commercial Summer Discount Plans offered by SCE. The Base plan includes three cycling, or turn-off, options. The Enhanced plan also provides three cycling options, but offers twice the credit when you allow SCE to turn off your central air conditioner(s) an unlimited number of times per summer season. Each plan requires a minimum of one year participation from the date your service on the program begins.
The chart below shows plan options, credits, and conditions to help you decide which program and option works best for your business or organization.
Caution: The SDP is not recommended for anyone unable to tolerate high temperatures or who has serious health problems such as asthma, heart disease, or respiratory conditions.
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Turn-Off Options |
Time Length per Occurrence |
Base Credits* per calculated ton per day |
Enhanced Credits* per calculated ton per day |
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100%** |
Off continuously for the entire duration of the cycling option |
$ 0.200 |
$0.400 |
|
50% |
Off 15 minutes out of every 30 minutes |
$ 0.070 |
$0.140 |
|
30%
|
Off 9 minutes out of every 30 minutes |
$ 0.014 |
$0.028 | |
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|
Number of times the air conditioner off during summer season |
|
Base Credits |
Enhanced Credits |
|
Maximum of 15 times, up to 6 hours per event. Multiple times in one day are possible. |
Unlimited number of times, up to 6 hours per day during the summer season. | |
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Turn-Off Options |
Time Length per Occurrence |
Base Credits* per calculated ton per month |
Enhanced Credits* per calculated ton per month |
|
100%** |
Off continuously for the entire duration of the cycling option |
$ 6.00 |
$ 12.00 |
|
50% |
Off 15 minutes out of every 30 minutes |
$ 2.10 |
$ 4.20 |
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30%
|
Off 9 minutes out of every 30 minutes |
$ 0.42 |
$ 0.84 | |
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Number of times the air conditioner off during summer season |
|
Base Credits |
Enhanced Credits |
|
Maximum of 15 times, up to 6 hours per event. Multiple times in one day are possible. |
Unlimited number of times, up to 6 hours per day during the summer season. Multiple events in one day are possible. | |
* The SDP credit amounts and program options are subject to change pursuant to decisions issued by the California Public Utilities Commission (CPUC). In no event shall the amount of credit exceed the amount of the Distribution portion of the Energy and Demand Charges plus the total charge for generation of the customer's bill as calculated under the otherwise applicable tariff (OAT).
** Customers choosing the 100% cycling option should be aware of the effect this choice may have on air quality in relationship to California air quality standards. If you have a closed air circulation system, the 100% turn-off strategy may compromise air quality and negatively impact your ability to be in compliance with state air quality standards. Contact your air conditioner servicing business for more information about California air quality standards.
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Which Program Is Right for Me?
Your participation on the Base plan allows SCE to turn-off your central air conditioner(s) a maximum of 15 times, for up to 6 hours per occurrence during the summer season. If weather and system conditions warrant emergency interruption events, it is possible to experience multiple events in one day.
Participation on the Enhanced plan allows SCE to turn-off your central air conditioner(s) an unlimited number of times, for up to 6 hours per day during the summer season. The Enhanced plan offers double the credit amount of the Base plan.
The Summer Discount Plan is subject to the availability of cycling devices and the compatibility of your working central air conditioner to the device.
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Program Season
Both the Base and the Enhanced plans operate only during the summer season, when demand for electricity is generally at its peak. SCE's summer season begins at 12:00 a.m. the first Sunday in June and ends at 12:00 a.m. on the first Sunday in October.
When we receive your online application, we will determine your eligibility and, if qualified, we will mail you a Participation Agreement to complete, sign and return to us. Upon SCE's receipt of the completed and signed Participation Agreement, a work order will be issued for the installation of a device(s) on your central air conditioner. SCE will then verify that the device(s) has been properly connected to your working air conditioner(s) and has been activated. At that time the appropriate SDP credits will be automatically applied to your future summer season bills. Cycling devices are owned and operated by SCE.
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How Are Program Credits Determined?
Your summer season electric bills will be reduced by a credit based on your current rate schedule, the cycling plan and option you select, and the calculated tonnage of your central air conditioner(s). Your daily calculated SDP credit* will appear on your first summer season electric bill after we have installed, verified, and activated the cycling device(s). Credits will continue automatically through the end of the summer season (the first Sunday in October). The SDP credit* you will receive is calculated by SCE based on the following factors:
- Your current rate schedule;
- The size of your central air conditioner(s) being cycled - the greater the calculated tonnage, the larger the credit. SCE calculates tonnage using these formulas:
Single Phase: (Amps x Volts) / 1,400 + .09 = Tons
Three Phase: (Amps x Volts) / 1,400 x 1.73 + .09 = Tons
- The program in which you participate - Base or Enhanced;
- The cycling option that you select - 100%, 50% or 30%; and