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Historical Electricity Rate Changes

To view a five year historical record of electricity rate changes, click on the appropriate customer class below:

Residential Rates

Standard Residential
Effective Date 2011
Apr 1		 Effective Date 2010
Apr 1		 2009
Apr 1		 2008
Jul 1		 Effective Date 2007
Mar 1
Tariff No. 2011-01 Tariff No. 2010-01 2009-01 2008-01 Tariff No. 2007-01
Monthly Basic Charge:
NOT Exceeding 200 Amp		 $6.85 Monthly Basic Charge:
NOT Exceeding 200 Amp		 $6.85 $6.85 $6.60 Monthly Basic Charge:
NOT Exceeding 200 Amp		 $6.24
Exceeding 200 Amp $13.70 Exceeding 200 Amp $13.70 $13.70 $13.20 Exceeding 200 Amp $12.48
Plus
Energy Charge:
kW.h @		 6.62¢ Energy Charge:
First 900 kW.h @		 6.38¢ 6.25¢ 6.08¢ Energy Charge:
First 175 kWh @		 5.94¢
    Balance of kW.h @ 6.57¢ 6.30¢ 6.123¢ Balance of kWh @ 5.79¢
Note: Minimum monthly bill is the Basic Charge

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General Service Small

(Non-Residential; Utility-owned Transformation NOT exceeding 200 kV.A)

Single Phase
Effective Date 2011
Apr 1		 2010
Apr 1		 2009
Apr 1		 2008
Jul 1		 2007
Mar 1
Tariff No. 2011-20 2010-20 2009-20 2008-20 2007-01
Monthly Basic Charge: $18.25 $17.65 $17.00 $16.50 $15.60
Plus
Energy Charge:
First 11,000 kWh @		 6.96¢ 6.84¢ 6.66¢ 6.48¢ 6.18¢
Next 8,500 kWh @ 4.84¢ 4.69¢ 4.48¢ 4.30¢ 4.00¢
Balance of kWh @* 3.15¢ 3.05¢ 2.86¢ 2.73¢ 2.55¢
Plus
Demand Charge:
First 50 kV.A @		 No Charge No Charge No Charge No Charge No Charge
Balance of kV.A @ $8.34 $8.34 $8.34 $8.34 $8.34
Three Phase
Effective Date 2011
Apr 1		 2010
Apr 1		 2009
Apr 1		 2008
Jul 1		 2007
Mar 1
Tariff No. 2011-21 2010-21 2009-21 2008-21 2007-21
Monthly Basic Charge: $25.55 $24.65 $23.74 $22.99 $21.75
Plus
Energy Charge:
First 11,000 kWh @		 6.96¢ 6.84¢ 6.66¢ 6.48¢ 6.18¢
Next 8,500 kWh @ 4.84¢ 4.69¢ 4.48¢ 4.30¢ 4.00¢
Balance of kWh @* 3.15¢ 3.05¢ 2.86¢ 2.73¢ 2.55¢
Plus
Demand Charge:
First 50 kV.A @		 No Charge No Charge No Charge No Charge No Charge
Balance of kV.A @ $8.34 $8.34 $8.34 $8.34 $8.34

Notes:
Minimum monthly bill is the Basic Charge plus Demand Charge

Primary metering of multiple utility-owned transformation — add 2% to kV.A for each transformation greater than one.

* Only applicable to accounts where the Monthly Recorded demand (current or within the previous 12 months) exceeded 50 kV.A.

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General Service Medium

(Non-Residential; Utility-owned Transformation)

Exceeding 200 kV.A
Effective Date 2011
Apr 1		 2010
Apr 1		 2009
Apr 1		 2008
Jul 1		 Effective Date 2007
Mar 1
Tariff No. 2011-30 2010-30 2009-30 2008-30 Tariff No. 2007-30
Monthly Basic Charge: $27.60 $27.60 $27.60 $27.60 Monthly Basic Charge: $27.60
Plus Plus
Energy Charge:
First 11,000 kW.h @		 6.96¢ 6.84¢ 6.42¢ 6.13¢ Energy Charge (per kWh): 2.55¢
Next 8,500 kW.h @ 4.84¢ 4.69¢ 4.48¢ 4.30¢    
Balance of kW.h 3.15¢ 3.05¢ 2.86¢ 2.73¢    
Plus Plus
Demand Charge*:
First 50 kV.A @		 No Charge No Charge No Charge No Charge Demand Charge* (per kV.A): $8.34
Balance of kV.A @ $8.34 $8.34 $8.34 $8.34    

Notes:
Minimum monthly bill is the Basic Charge plus Demand Charge

Primary metering of multiple Utility-owned transformation — add 2% to kV.A for each transformation greater than one.

* Demand Charge is applied to the Monthly Billing Demand defined as the greater of the following expressed in kV.A:

  1. measured demand.
  2. December 1, 2009 - No longer applicable - 70% of highest measured demand in the Billing Year*** for the months of December, January, February.
    April 1, 2003 to November 30, 2009 - 70% of highest measured demand in the Billing Year*** for the months of December, January, February.
    Prior to April 1, 2003 rate change - 80% of highest measured demand in the Billing Year*** for the months of December, January, February.
  3. 25% of contract demand.
  4. 25% of the highest measured demand in any of the previous 12 months.

** Billing year — Twelve monthly billing periods commencing with the month of December and ending the following November.

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General Service Large

(Non-Residential; Customer-owned Transformation)

Exceeding 750 V but NOT exceeding 30 kV
Effective Date 2011
Apr 1		 2010
Apr 1		 2009
Apr 1		 2008
Jul 1		 2007
Mar 1
Tariff No. 2011-60 2010-60 2009-60 2008-60 2007-60
Energy Charge (per kWh): 2.97¢ 2.88¢ 2.73¢ 2.59¢ 2.38¢
Plus
Demand Charge* (per kV.A): $7.08 $7.08 $7.08 $7.08 $7.08
Exceeding 30 kV but NOT exceeding 100 kV
Effective Date 2011
Apr 1		 2010
Apr 1		 2009
Apr 1 		2008
Jul 1		 2007
Mar 1
Tariff No.: 2011-61 2010-61 2009-61 2008-61 2007-61
Energy Charge (per kWh): 2.77¢ 2.69¢ 2.58¢ 2.47¢ 2.29¢
Plus
Demand Charge* (per kV.A): $6.06 $6.06 $6.06 $6.06 $6.06
Exceeding 100 kV
Effective Date 2011
Apr 1		 2010
Apr 1		 2009
Apr 1 		2008
Jul 1		 2007
Mar 1
Tariff No. 2011-62 2010-62 2009-62 2008-62 2007-62
Energy Charge (per kWh): 2.69¢ 2.62¢ 2.52¢ 2.42¢ 2.26¢
Plus
Demand Charge* (per kV.A): $5.40 $5.40 $5.40 $5.40 $5.40

Notes:
Minimum monthly bill is the Demand Charge.

* Demand Charge is applied to the Monthly Billing Demand defined as the greater of the following expressed in kV.A:

  1. measured demand.
  2. December 1, 2009 - No longer applicable - 70% of highest measured demand in the Billing Year*** for the months of December, January, February.
    April 1, 2003 to November 30, 2009 - 70% of highest measured demand in the Billing Year*** for the months of December, January, February.
    Prior to April 1, 2003 rate change - 80% of highest measured demand in the Billing Year*** for the months of December, January, February.
  3. 25% of contract demand.
  4. 25% of the highest measured demand in any of the previous 12 months.

** Billing year — Twelve monthly billing periods commencing with the month of December and ending the following November.