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This is a summary of our residential natural gas service rates authorized by the Public Service Commission of Wisconsin by order in Docket 3270-UR-116 effective Jan. 1, 2010.

These rates are subject to market variables that may change monthly. Please consult your bill for the most current applicable rates.

Distribution service rates Natural gas supply services
Total charges for customers with firm or interruptible gas supply Balancing service cashout rates
The following rates are effective for service rendered on and after Sept. 1, 2010.

Distribution service
Rate Classification
(C&I = Commercial and Industrial)
Small C&I Distribution Service (GSD-1)
Customer Charge - Per Day
$0.6100
All Therms
$0.1284
Medium C&I Distribution Service (GSD-2)
Customer Charge - Per Day
$3.4520
All Therms
$0.0883
Large C&I Distribution Service (GSD-3)
Customer Charge - Per Day
$20.0110
All Therms
$0.0588
Interruptible Generation Distribution Service (IGD-1)
Customer Charge - Per Day
$102.00
All Therms
$0.0331
Seasonal Off-Peak Distribution Service (SD-1)
Customer Charge - Per Day
$1.75
All Therms
$0.0799
Contracted Distribution Service (CDS-1)
Customer Charge - Per Day
NA
All Therms
NA
Steam and Power Generation Gas Distribution Service (Sp-1)
Customer Charge - Per Day
$1,592.88
All Therms
$0.0355

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Natural gas supply services

Rate Classification
Compressed Natural Gas Service (CNG-1)  

Distribution Service - Per Therm

$0.2169
Administrative Charge - Per Therm
$0.0295
All Therms
$0.3546
Firm Gas Sales Service (FS-1)
Administrative Charge - Per Therm
$0.0330
All Therms
$0.3833
Interruptible Gas Sales Service (IS-1)
Administrative Charge - Per Therm
$0.0295
Telemetering Charge - Per Day
$1.50
All Therms
$0.3546
Interruptible Large Boiler Gas Sales Service (IS-2)
Administrative Charge - Per Day
$31.00
Telemetering Charge - Per Day
$1.50
All Therms
$0.3417
Large Annual Use Gas Sales Service (LS-1)
Administrative Charge - Per Day
$51.00
Electronic Metering Charge - Per Day
$1.50
Natural Gas Service - Firm
$0.3494
Natural Gas Service - Interruptible
$0.3417
Daily Balancing Service (DBS-1)
Administrative Charge - Per Day
$3.70
Telemetering Charge - Per Day
$1.50
Balancing Service Charge - First Tier
$0.02270
Balancing Service Charge - Second Tier
$0.03232
Backup Sales Service
Administrative Charge - Per Therm
$0.0295
All Therms
$0.3833

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Total Charges for Business Customers With Firm
or Interruptible Natural Gas Supply

(These are combined charges from the components listed above)
Distribution Rate
Supply
Rate
Per-Day Charges
Per-Therm Charges
GSD-1
FS-1
$0.6100
$0.5447
GSD-2
FS-1
$3.4520
$0.5046
GSD-2
IS-1
$4.9520
$0.4724
GSD-3
FS-1
$20.0110

$0.4751

GSD-3
IS-1
$21.5110
$0.4429
SD-1
IS-1
$1.7500
$0.4640
SP-1
LS-1
$1,645.3800
$0.3849
GSD-1 - Distribution rate for customers using less than 25,000 therms per year.
GSD-2 - Distribution rate for customers using 25,000 to 200,000 therms per year.
GSD-3 - Distribution rate for customers using more than 200,000 therms per year.
SD-1 - Seasonal off-peak distribution service (available May-Nov.).
FS-1 - Supply rate for customers receiving firm natural gas supply service.
IS-1 - Supply rate for customers receiving interruptible natural gas supply service.
SP-1 - Supply rate for customers on a firm basis who use at least 25 million therms per year.

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Balancing service (DBS-1) monthly cashout rates

Effective for the monthly cashout of imbalances incurred in August 2010.

Overtake Cashout Price
Imbalance Ranges
Price Per Therm for
Month-End Imbalances
Over 0% through 3.5%
$0.4947
Over 3.5% through 10%
$0.5689
Over 10% through 15%
$0.6431
Over 15% through 20%
$0.6926
Over 20%
$0.7421
Undertake Cashout Credit
Imbalance Ranges
Price Per Therm for
Month-End Imbalances
Over 0% through 3.5%
$0.4607
Over 3.5% through 10%
$0.3916
Over 10% through 15%
$0.3225
Over 15% through 20%
$0.2764
Over 20%
$0.2304

For more information
Monthly natural gas archive
MGE Natural Gas Rates and Rules [PDF]
MGE Electric Rates and Rules [PDF]

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