Power Supply

Carbon Intensity
Carbon intensity is a measure of CO₂-equivalent emissions per unit of electricity generated in a given year. CO₂-equivalent is a measure used to compare the emissions of different greenhouse gases based on their global warming potential. Browse Austin Energy’s annual carbon intensity data starting in 2005.

Emissions by Plant
Austin Energy has a goal to reduce CO₂ emissions by 2020 to a level that is 20% below 2005 levels. CO₂-equivalent is a measure used to compare the emissions of different greenhouse gases based on their global warming potential. Download data for annual CO₂-equivalent stack emissions as well as SO₂, NOx, and CO₂ emissions by facility starting in 2005.

Equivalent Availability Factor
A common measure of reliability for generating units is the Equivalent Availability Factor (EAF). The EAF is a measure of the number of hours the full capacity of a generating unit is available per the total period hours. Scan the annual EAF data for each generating unit starting in 2006.

Fuel Costs by Type and Percentage
Austin Energy fuel types include coal, natural gas and oil, nuclear, and renewable. We also purchase some power from other power generators. View annual costs for each type of fuel, along with ERCOT-related charges.

Generation by Fuel Type
Austin Energy fuel types include coal, natural gas and oil, nuclear, and renewable. We also purchase some power from other power generators. Browse the percent of power generated annually by each type of fuel.

GreenChoice® 
Austin Energy’s GreenChoice® program is among the nation’s most successful utility-sponsored, voluntary green-pricing energy programs. Download kWh of renewable energy purchased annually and more. Data starts in 2006.

Heat Rate
The heat rate is the number of British Thermal Units (BTU) needed to produce a kWh of electricity. The average heat rate is a measurement of how efficiently a generating unit converts fuel into electricity. This table shows the average annual heat rate (BTU / net kWh) starting in 2006.

On-Site Energy Resources
On-Site Energy Resources is the business unit that operates Austin Energy's district cooling plants. Scan installation date, fuel type, and rating for our district energy and combined heat and power plant systems.

Plant Assets
Plant assets include all of Austin Energy's system equipment, from office buildings and computers to generation and electric delivery infrastructure. Browse annual total plant assets data starting in 2006.

Power Plants
Austin Energy generates power through a diverse generation portfolio of natural gas, coal, nuclear, renewable resources, and purchased power. Browse data about our power plants including, percent owned, fuel type used, capacity in MW, and installation year.

Power Supply Adjustment Charge
Power Supply Adjustment (PSA) charges are set based on the type of electric service required by a customer and fall into one of three levels: secondary, primary, or transmission. Scan Power Supply Adjustment charges for each level.

Purchase Power Agreements
Austin Energy set a goal that 35% of energy delivered to customers will come from renewable resources by 2020. Download type, capacity, term, and more for each of Austin Energy’s agreements to purchase power generated by wind, solar, and biomass.

Renewable Resources
The Austin Energy Resource & Climate Protection Plan, approved by the Austin City Council in 2010, set a target of achieving 35% renewable resources by 2020. View measures of how Austin Energy is meeting its commitment.

System Fuel Cost Average
The system fuel cost average is the cost of fuel purchased divided by the number of kilowatts generated. Scan data for annual system fuel cost averages starting in 2006.

System Production Cost
The average system production cost is total operations and maintenance costs divided by total generation in kilowatt hours. View average annual system production cost data starting in 2006.

Date last reviewed or modified: 3/27/19

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