Where do you live?

The greenhouse gas emissions produced by your electrical use depends upon the mix of fuels your utility uses to generate electricity. Along the Alaskan Railbelt (Fairbanks – Matanuska/Susitna - Anchorage – Kenai Peninsula), the electric utilities share generation resources that include natural gas, coal, and oil-derived fossil fuels and hydroelectric power. In Southeast Alaska, many utilities make use of hydroelectric power in addition to oil-derived fossil fuels. In most of the rest of the State, diesel-fired generators are the predominant source of electricity. Kotzebue Electric Association and the Alaska Village Electric Cooperative serving Western Alaska have begun to install wind turbines to supplement their diesel-fired generators.

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Renewable Energy

Calculator automatically looks up the percentage of electricity that comes from renewable resource based on where you live.

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Household

When your personal contribution to greenhouse gas emissions is calculated, the total emissions of the house you live in are divided by the number of people in your house. This applies to home heating and electricity emissions that are derived from your estimated average monthly bills for home heating and electricity.

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What is your Average Monthly Electric Bill?

We’ve taken your estimate of your average monthly electrical bill, divided that by the average cost per kWh in your region to get a rough estimate of your annual kWh consumption. We’ve multiplied the annual kWh consumption estimate by the average greenhouse gas emissions per kWh for a rough estimate of the emissions associated with your electricity consumption.

For Alaskans who receive PCE, please input the bill you pay. We have taken into account PCE in the calculation of kWh consumption.

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What is your Average Monthly Gas Bill?

We’ve taken your estimate of your average monthly natural gas bill and assumed you have a furnace/boiler of average efficiency and estimated the associated annual greenhouse gas emissions.

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What is your Average Monthly Heating Oil Bill?

We’ve taken your estimate of your average monthly heating oil bill and assumed you have a furnace/boiler of average efficiency and estimated the associated annual greenhouse gas emissions.

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What is your Average Monthly Propane Bill?

We’ve taken your estimate of your average monthly propane bill and assumed you are using heaters/ranges/stoves of average efficiency and estimated the associated annual greenhouse gas emissions.

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How many cords of wood do you burn a year?

A cord of wood is the amount of wood that fits into a stack 4 feet x 4 feet x 8 feet.

To calculate your carbon footprint from using wood, it is important to know what will subsequently happen to the land from the trees were harvested. If the land is paved or otherwise used so that trees will no longer grow there, then the carbon cycle has been broken. The carbon dioxide generated by burning the wood will not be absorbed by new growing trees in that location, and it is appropriate to charge the resulting carbon dioxide to your carbon footprint. If trees will re-grow in that area then the carbon cycle is not broken, and it is appropriate to determine that the activity is essentially carbon neutral, so that there is no contribution to your carbon footprint. If you buy your wood from someone else, you can ask them about the subsequent use of the land from which they have harvested the trees.

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