Historical electricity rate changes

View a 5-year historical record of electricity rate changes for each customer class:

Residential rates

Standard residential
Effective date 2017
Aug. 1
2016
Aug. 1
2015
Aug. 1
2014
May 1
2013
May 1
Tariff no. 2017-01 2016-01 2015-01 2014-01 2013-01

Note:
Minimum monthly bill is the basic charge.

Monthly basic charge:
not exceeding 200 Amp $8.08 $7.82 $7.57 $7.28 $7.09
exceeding 200 Amp $16.16 $15.64 $15.14 $14.56 $14.18
plus
Energy charge kWh @ 8.196¢ 7.930¢ 7.672¢ 7.381¢ 7.183¢

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General service small

Non-residential; utility-owned transformation NOT exceeding 200 kVA

Single phase
Effective date 2017
Aug. 1
2016
Aug. 1
2015
Aug. 1
2014
May 1
2013
May 1
Tariff no. 2017-20 2016-20 2015-20 2014-20 2013-20
Note:
* Only applicable to accounts where the monthly recorded demand (current or within the previous 12 months) exceeded 50 kVA.
Monthly basic charge $21.91 $21.20 $20.51 $19.73 $19.20
plus energy charge:
first 11,000 kWh @ 8.609¢ 8.329¢ 8.058¢ 7.752¢ 7.545¢
next 8,500 kWh @ 5.976¢ 5.782¢ 5.594¢ 5.381¢ 5.237¢
balance of kWh @* 3.944¢ 3.816¢ 3.692¢ 3.552¢ 3.457¢
plus demand charge:
first 50 kVA @ No charge No charge No charge No charge No charge
balance of kVA @ $10.10 $9.77 $9.45 $9.09 $8.85
Three phase
Effective date 2017
Aug. 1
2016
Aug. 1
2015
Aug. 1
2014
May 1
2013
May 1
Tariff no. 2017-21 2016-21 2015-21 2014-21 2013-21

Notes:
Minimum monthly bill is the basic charge plus demand charge.
Primary metering of multiple utility-owned transformation – add 2% to kVA for each transformation greater than one.
* Only applicable to accounts where the monthly recorded demand (current or within the previous 12 months) exceeded 50 kVA.

Monthly basic charge $30.89 $29.89 $28.92 $27.82 $27.07
plus energy charge:
first 11,000 kWh @ 8.609¢ 8.329¢ 8.058¢ 7.752¢ 7.545¢
next 8,500 kWh @ 5.976¢ 5.782¢ 5.594¢ 5.381¢ 5.237¢
balance of kWh @* 3.944¢ 3.816¢ 3.692¢ 3.552¢ 3.457¢
plus demand charge:
first 50 kVA @ No charge No charge No charge No charge No charge
balance of kVA @ $10.10 $9.77 $9.45 $9.09 $8.85

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General service medium

Non-residential; utility-owned transformation

Exceeding 200 kVA
Effective date 2017
Aug. 1
2016
Aug. 1
2015
Aug. 1
2014
May 1
2013
May 1
Tariff no. 2017-30 2016-30 2015-30 2014-30 2013-30

Notes:
Minimum monthly bill is the basic charge plus demand charge.
Primary metering of multiple utility-owned transformation – add 2% to kVA for each transformation greater than one.
* Demand charge is applied to the monthly billing demand defined as the greater of the following expressed in kVA:

  1. measured demand.
  2. 25% of contract demand.
  3. 25% of the highest measured demand in any of the previous 12 months.
Monthly basic charge $32.61 $31.55 $30.52 $29.36 $28.57
plus energy charge:
first 11,000 kWh @ 8.609¢ 8.329¢ 8.058¢ 7.752¢ 7.545¢
next 8,500 kWh @ 5.976¢ 5.782¢ 5.594¢ 5.381¢ 5.237¢
balance of kWh 3.944¢ 3.816¢ 3.692¢ 3.552¢ 3.457¢
plus demand charge*:
first 50 kVA @ No charge No charge No charge No charge No charge
balance of kVA @ $10.10 $9.77 $9.45 $9.09 $8.85

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General service large

Non-residential; customer-owned transformation

Exceeding 750 V but NOT exceeding 30 kV
Effective date 2017
Aug. 1
2016
Aug. 1
2015
Aug. 1
2014
May 1
2013
May 1
Tariff no. 2017-60 2016-60 2015-60 2014-60 2013-60

Note:
* Demand charge is applied to the monthly billing demand defined as the greater of the following expressed in kVA:

Energy charge (per kWh) 3.709¢ 3.589¢ 3.472¢ 3.339¢ 3.250¢
plus
Demand charge* (per kVA) $8.57 $8.29 $8.02 $7.72 $7.51
Exceeding 30 kV but NOT exceeding 100 kV
Effective date 2017
Aug. 1
2016
Aug. 1
2015
Aug. 1
2014
May 1
2013
May 1
Tariff no. 2017-61 2016-61 2015-61 2014-61 2013-61

Note:
* Demand charge is applied to the monthly billing demand defined as the greater of the following expressed in kVA:

Energy charge (per kWh) 3.448¢ 3.336¢ 3.228¢ 3.105¢ 3.022¢
plus
Demand charge* (per kVA) $7.34 $7.10 $6.87 $6.61 $6.43
Exceeding 100 kV
Effective date 2017
Aug. 1
2016
Apr. 1
2015
Aug. 1
2014
May 1
2013
May 1
Tariff no. 2017-62 2016-62 2015-62 2014-62 2013-62

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 kVA:

  1. measured demand.
  2. 25% of contract demand.
  3. 25% of the highest measured demand in any of the previous 12 months.
Energy charge (per kWh) 3.342¢ 3.233¢ 3.128¢ 3.009¢ 2.929¢
plus
Demand charge* (per kVA) $6.53 $6.32 $6.11 $5.88 $5.72

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