Commercial rate summary
Understand your energy costs
Our energy management staff is available to help you analyze your operation. We'll make sure you take advantage of the rate or rates that work best for your business.
Otter Tail Power Company can help you determine the billing for specific load conditions under various rate schedules. Just ask.
The following rates are currently open to customers.
Rates mentioned in web material subject to change On October 1, 2007, Otter Tail Power Company submitted a proposal to the Minnesota Public Utilities Commission (MPUC) to increase base rates for electric service in Minnesota for the first time since 1986. On November 27, 2007, the MPUC approved our request to increase rates by approximately 5.4 percent—over what customers paid in 2006, including the cost-of-energy adjustment—on an interim, or temporary, basis beginning November 30, 2007. The proposed interim rate increase will remain in effect until the MPUC decides the case in August 2008. Information reported on this web site does not reflect interim or final rate increases. We will update all rate information after the MPUC makes its final decision. |
| Standard commercial rate - general service (rate codes 401, 409) These are the standard, noncontrolled rates for most business electrical uses (lighting, power, cooking, heating, and other ordinary uses). These rates are subject to cost-of-energy adjustments. |
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Minnesota
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North Dakota
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South Dakota
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| Urban (401) Monthly minimum |
$ 8.45 includes first 50 kwh
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$ 6.65
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$ 6.00 plus 50% of highest demand billed in the previous 11 months
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| Rural (409) Monthly minimum |
$ 10.45 includes first 50 kwh
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$ 7.95
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$ 7.20 plus 50% of highest demand billed in the previous 11 months
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| Both 401 and 409 Kilowatt-hour charge |
Next 1,950 kwh - 8.574¢
Excess kwh - 7.134¢ |
First 1,000 kwh - 9.153¢
Next 1,000 kwh 8.054¢ Excess kwh - 6.589¢ |
First 1,000 kwh - 8.275¢
Next 1,000 kwh - 7.141¢ Excess kwh - 5.237¢ |
| All kwh in excess of 200 kwh per month per kw of billing demand |
4.999¢
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4.928¢
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4.268¢
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| Demand charge |
N/A
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N/A
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$2.15 per kw per month for all kw over 10
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| Additional charges | Additional kva charges may apply depending on connected load. Contact Otter Tail Power Company for more information. |
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| Water heating credit for standard general service (rate codes 451, 459) Customers who have direct control water heating, which is an installed radio control box instead of a separate meter, receive a credit each month. Water heaters may be controlled up to 14 hours daily. Rate is subject to cost-of-energy adjustments. |
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Minnesota
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North Dakota
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South Dakota
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| Direct control water heating credit (code 451, 459) |
$2 |
$2 |
$3 |
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| Standard large commercial rate - large general service (rate codes 602, 603, 632) These are the standard, noncontrolled rates for large businesses. These rates are subject to cost-of-energy adjustments. |
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Minnesota
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North Dakota
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South Dakota
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| Transmission service (code 632) |
Currently not available
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| First 100 kw of billing demand |
$ 7.80 / kw
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$ 7.23 / kw
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| Excess kw of billing demand |
$ 6.60 / kw
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$ 5.65 / kw
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| Energy - kwh charge |
2.944¢
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3.784¢
(first 700,000 kwh) |
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| Energy - excess kwh charge |
N/A
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2.979¢
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| Energy - all kwh over 360 per kw of billing demand |
2.682¢
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2.935¢
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| Primary service (code 602) |
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| Customer charge |
N/A
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N/A
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$ 25.50
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| First 100 kw of billing demand |
$ 8.20 / kw
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$ 8.04 / kw
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$ 6.75 / kw
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| Excess kw of billing demand |
$ 6.95 / kw
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$ 6.51 / kw
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$ 4.85 / kw
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| Energy - kwh charge |
3.004¢
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3.784¢ (first 700,000 kwh)
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3.362¢
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| Energy - excess kwh charge |
N/A
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2.979¢
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N/A
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| Energy - all kwh over 360 per kw of billing demand |
2.737¢
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2.935¢
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2.449¢
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| Secondary service (code 603) |
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| Customer Charge |
N/A
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N/A
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$ 25.50
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| First 100 kw of billing demand |
$ 8.65 / kw
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$ 8.33 / kw
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$ 7.05 / kw
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| Excess kw of billing demand |
$ 7.30 / kw
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$ 6.80 / kw
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$ 5.15 / kw
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| Energy - kwh charge |
3.066¢
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3.784¢ (first 700,000 kwh)
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3.415¢
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| Energy - excess kwh charge |
N/A
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2.979¢
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N/A
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| Energy - all kwh over 360 per kw of billing demand |
2.792¢
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2.935¢
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2.498¢
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| Minimum demand charge (Uses the larger of the calculations and is adjusted for excess reactive demand.) |
• 80 kw or 25% of first 500 kw • 50% of next 500 kw • The billing demand is increased by one kw for each whole 10 kvar of reactive demand in excess of 50% of the measured kw demand. |
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| Plus | 75% of billing demand in excess of 1,000 kw, established during the preceding 11 months | 75% of excess kw of billing demand established during the preceding 11 months. | |
| Off-peak water heating (rate code 191) Water heaters are metered separately and may be controlled up to 14 hours a day. This rate is subject to cost-of-energy adjustments. |
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Minnesota
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North Dakota
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South Dakota
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| Monthly minimum |
$ 1.45 (includes first 25 kwh)
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$ 1.34
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$ 1.60
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| Next kilowatt hour charge |
4.330¢
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4.015¢
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3.485¢
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| Dual fuel - electric portion - less than 80 kw (rate code 190) This is for permanently-connected interruptible heating loads with an alternate fuel backup system. Water heaters may also be included on this rate. Heating loads can be controlled up to 24 hours a day, and water heating can be controlled up to 14 hours per day. Cost-of-energy adjustments do not apply to dual fuel rates. |
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Minnesota
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North Dakota
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South Dakota
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| Monthly minimum |
$ 4.00
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$ 3.78
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$ 1.75
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| Energy November - April |
3.300¢
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5,000 kwh - 3.097¢ Excess kwh - 2.815¢
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5,000 kwh - 3.300¢ Excess kwh - 3.000¢
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| Energy May - October |
3.150¢
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5,000 kwh - 2.956¢ Excess kwh - 2.675¢
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5,000 kwh - 3.150¢ Excess kwh - 2.850¢
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| Dual fuel - electric portion - 80 kw or greater (rate code 170) This rate is for permanently-connected interruptible heating loads with an alternate fuel backup system. Water heaters may also be included on this rate. Heating loads can be controlled up to 24 hours a day and water heating can be controlled up to 14 hours per day. Cost-of-energy adjustments do not apply to dual fuel rates. |
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Minnesota |
North Dakota |
South Dakota |
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| Monthly minimum |
$ 5.00
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$ 4.74
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$ 5.00
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| November - April |
2.400¢
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2.253¢
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2.400¢
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| May - October |
2.400¢
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2.253¢
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2.400¢
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| Off-peak deferred load - thermal storage (rate code 197) This is for permanently-connected deferred loads; that is controlled loads without a back-up heating system. These interruptible loads are primarily thermal storage, such as underfloor heating, and may be controlled up to 14 hours a day. This rate is subject to cost-of-energy adjustments. |
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Minnesota
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North Dakota
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South Dakota
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| Monthly minimum |
$ 1.40
(includes first 25 kwh) |
$ 1.34
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$ 1.75
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| Next kilowatt hour |
4.155¢
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3.643¢
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3.369¢
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| Fixed time-of-delivery service - less than 100 kw (rate code 301) This is for permanently-connected deferred loads of less than 100 kw, primarily thermal storage space heating or other approved loads. The customer will receive electric service from 11:00 p.m. until 7:00 a.m. each day and may be controlled the rest of the time. Cost-of-energy adjustments do not apply. |
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Minnesota
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North Dakota
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South Dakota
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| Monthly minimum |
$ 4.00
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$ 3.78
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$ 4.00
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| Energy charge per kwh: |
2.950¢
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2.722¢
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2.900¢
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| Fixed time-of-delivery service - 100 kw or greater (rate code 302) This is for permanently-connected deferred loads of 100 kw or greater, primarily thermal storage space heating or other approved loads. The customer will receive electric service from 11:00 p.m. until 7:00 a.m. each day and may be controlled the rest of the time. Cost-of-energy adjustments do not apply. |
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Minnesota
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North Dakota
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South Dakota
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| Monthly minimum |
$ 8.75
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$ 8.18
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$ 8.75
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| Energy charge per kwh |
2.500¢
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2.346¢
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2.500¢
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| Fixed time-of-delivery service - primary service (rate code 303) This is for customers taking service at the primary voltage level with thermal storage space heating or other approved loads. The customer will receive electric service from 11:00 p.m. until 7:00 a.m. each day and may be controlled the rest of the time. Cost-of-energy adjustments do not apply. |
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Minnesota
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North Dakota
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South Dakota
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| Monthly minimum |
$ 83.00
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$77.88
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$ 83.00
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| Energy charge per kwh |
2.150¢
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2.018¢
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2.150¢
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More detail on rates and regulations concerning your electric service is available from your local Otter Tail Power Company Customer Service Center, or you can read the full text of our rates online.
