Bill Breakdown

For information about changes that impacted customer bills starting January 1, 2016, please click here.

Below is a basic breakdown of some of the information you will find on your bill. Please select a link to learn more or scroll down the page.


This provincial charge is used to pay the generators to provide electricity. These are the charges that are based on provincially mandated TOU pricing for all households and small businesses in Windsor and across Ontario:

Off-Peak Period - This is when electricity is least expensive to provide and least expensive to consume.

Mid-Peak Period - This is when electricity production costs are in the mid-range, as are costs to the consumer.

On-Peak Period - This is when electricity is most expensive to provide and most expensive to consume.


The delivery line on your bill is composed of three components: transmission, distribution and commodity charges associated with line loss. These charges are all approved by the OEB.

Delivery charges include:

Transmission - This provincial charge covers the cost of transmitting electricity across Ontario. Power flows from Ontario power plants and other sources, through transmission lines to your local utility.

Distribution - This local charge represents about 17% of your total electricity bill. This is the only portion of the bill that stays with ENWIN. This charge has been stable for 8 years. It funds distribution infrastructure and operations in Windsor.

Regulatory Charges

This provincial charge pays for the IESO. It also subsidizes ratepayers in remote regions and the connection of renewable generation. These charges cover the operation of such organizations as the Ontario Energy Board ( and the Independent Electricity System Operator (

Debt Retirement Charge

This 0.7¢/kWh charge is set by the Ontario Ministry of Finance to pay down the remaining debt of the former Ontario Hydro. The Debt Retirement Charge was removed for certain residential consumption after Dec. 31, 2015.

Global Adjustment

The price of generation in Ontario is set by a competitive market. Certain generators receive payments through regulation or contract that differ from the market price. Your portion of the net adjustment arising from these different payments is included on your bill. If you participate in a Regulated Price Plan (RPP) the Global Adjustment amount is included, and will not show on your bill.

Note: For a detailed explanation of electricity terms, please continue to browse this site or visit


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