Commercial and Industrial Gas Rates

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 July 1, 2009.

Distribution service
Rate Classification
(C&I = Commercial and Industrial)
Small C&I Distribution Service (GSD-1)
Customer Charge - Per Day
$0.6100
All Therms
$0.1322
Medium C&I Distribution Service (GSD-2)
Customer Charge - Per Day
$3.4520
All Therms
$0.0906
Large C&I Distribution Service (GSD-3)
Customer Charge - Per Day
$20.0110
All Therms
$0.0602
Interruptible Generation Distribution Service (IGD-1)
Customer Charge - Per Day
$102.00
All Therms
$0.0338
Seasonal Off-Peak Distribution Service (SD-1)
Customer Charge - Per Day
$1.75
All Therms
$0.0877
Contracted Distribution Service (CDS-1)
Customer Charge - Per Day
NA
All Therms
NA
Steam and Power Generation:
Gas Distribution Service
Customer Charge - Per Day
$1,592.88
All Therms
$0.0358

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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
$0.3594
Firm Gas Sales Service (FS-1)
Administrative Charge - Per Therm
$0.0330
All Therms
$0.3858
Interruptible Gas Sales Service (IS-1)
Administrative Charge - Per Therm
$0.0295
Telemetering Charge - Per Day
$1.50
All Therms
$0.3594
Interruptible Large Boiler Gas Sales Service (IS-2)
Administrative Charge - Per Day
$31.00
Telemetering Charge - Per Day
$1.50
All Therms
$0.3479
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
$0.3532
Natural Gas Service - Interruptible
$0.3479
Daily Balancing Service (DBS-1)
Administrative Charge - Per Day
$3.70
Telemetering Charge - Per Day
$1.50
Balancing Service Charge - First Tier
$0.02325
Balancing Service Charge - Second Tier
$0.03232
Backup Sales Service
Administrative Charge - Per Therm
$0.0295
All Therms
$0.3858

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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
$0.5510
GSD-2
FS-1
$3.4520
$0.5094
GSD-2
IS-1
$4.9520
$0.4795
GSD-3
FS-1
$20.0110
$0.4790
GSD-3
IS-1
$21.5110
$0.4491
SD-1
IS-1
$1.7500
$0.4766
SP-1
LS-1
$1,645.3800
$0.3890
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 June 2009.

Overtake Cashout Price
Imbalance Ranges
Price Per Therm for
Month-End Imbalances
Over 0% through 3.5%
$0.3899
Over 3.5% through 10%
$0.4484
Over 10% through 15%
$0.5069
Over 15% through 20%
$0.5459
Over 20%
$0.5849
Undertake Cashout Credit
Imbalance Ranges
Price Per Therm for
Month-End Imbalances
Over 0% through 3.5%
$0.3186
Over 3.5% through 10%
$0.2708
Over 10% through 15%
$0.2230
Over 15% through 20%
$0.1912
Over 20%
$0.1593

2008 Natural Gas Price Volatility
Monthly natural gas archive

All rates and rules