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Bill Adjustors

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What are adjustors?

Adjustors are a part of the overall cost of energy and are shown as separate line items on your bill. Unlike base rates that change every few years, the adjustors can change annually – going up or down.

How do adjustors affect my bill?

An adjustor line item on your bill can either be a charge or a credit that is based on your actual monthly energy usage. When an adjustor charge or credit is changed, a message on page 2 of your bill gives the approximate increase or decrease for a typical customer. If your usage is higher than typical, the impact will be higher. If usage is lower, the impact is lower.

(Typical residential usage is based on 1,050 kilowatt-hours in a month.)

Do adjustors really go up or down, or do they just go up?

Adjustors do go up or down. From 2018 to 2020, many adjustors decreased and some increased. The net result was that the average bill at the end of 2020 was lower than it was at the beginning of 2018.
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Making sense of your bill

Check out a sample of what your bill looks like, including where you will find adjustor line items and other explanations of charges.

Adjustor information

Click on the adjustor name below to learn more about the adjustor and how they have changed since 2018.

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The EIS recovers some of the costs for environmental improvements for the APS grid and facilities.

2018 – Increase
2019 – Increase
2020 – Increase
2021 – Increase
2021 – Decrease (with rate case)

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The REAC funds renewable energy projects. (It is combined with the DSMAC to appear on your bill as the Environmental Benefits Surcharge.)

2018 – Decrease
2019 – Decrease
2020 – No change
2021 – Increase 2021 – Decrease (with rate case) but the cap was unchanged

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The DSMAC funds energy efficiency projects and programs. (It is combined with the REAC to appear on your bill as the Environmental Benefits Surcharge.)

2018 – No change
2019 – No change
2020 – No change
2021 – Increase

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The LFCR recovers costs of providing service and operation.

2019 – Increase to kW decrease for kWh
2019 – Decrease to both kW and kWh
2020 – Decrease to both kW and kWh
2021 – No change

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This provides an adjustment to customer bills based on changes to the federal corporate income tax rate.

2018 – Decrease
2019 Part 1 – Decrease
2019 Part 2 – Decrease
2020 – Increase (This is still a credit back to customers, but a smaller credit than 2019.)
2021 – Increase (with rate case) (credit went to zero)

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This covers what APS pays for fuel and purchased power.

2018 – Increase
2019 – Decrease
2020 – Decrease
2021 – Increase (The increase is a result of higher natural gas prices and increased customer usage during 2020’s record hot summer.)
2021 – Increase
2022 – Increase

The Power Supply Adjustment went up due to a number of factors, including extreme heat in the Western United States that sent customers’ energy needs higher and strained regional power supplies. This combination of increased demand during a period of regional energy shortages led to higher costs.

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This covers costs for transmission of energy to customers.

2018 – Decrease
2019 – Decrease
2020 – Decrease
2021 – Decrease

Adjustor Tariff Documents
To learn more about each adjustor and review tariff sheets, please click the link below.
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