Green Power Calculator
How it Works...
Trying to decide which renewable option to choose? Use this calculator to find out the environmental impact of your renewable power choices.
- Step 1: Select if you’re a residential or business customer. The business data is for small (Schedule 32 on your bill) businesses only.
- Step 2: Enter your monthly energy use in kilowatt hours (kWh) from your bill. Or you can enter your approximate monthly bill.
- Step 3: Select Green SourceSM or the number of units of Clean WindSM.
- Step 4: Choose if you’d like to add Habitat Support.
The calculator will dynamically show you the estimated cost per month, the amount of carbon dioxide (CO2) you would offset and how that offset equates to trees planted or miles not driven.
Source: Oregon Department of Energy, 2009 data for Green Source and Clean Wind. WECC regional resource mix, EPA eGrid 2007 v1.1 for Western Regional Resource Mix. Data for PGE System Mix may differ from WECC regional resource mix; check PortlandGeneral.com for details. All percentages are approximate and may not add up to 100% due to rounding. “New” refers to power generated from facilities that became operational after July 1999. |
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Renewable Energy Profile |
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You chose: ***
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Renewable Energy Offset |
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Estimated bill per month |
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Environmental Impact* |
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CO2 Offset (pounds) |
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Miles not driven |
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Trees planted |
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*Estimated annual environmental impact of your renewable choice
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You Spend This ()... |
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which is like planting this annually ( trees)... |
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( miles)
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That is also like NOT driving from Portland to New York times.

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Prices shown effective January 2009. Prices subject to change. Any pricing changes will be updated upon OPUC approval.