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Frequently Asked Questions

  • Renewable energy certificates (RECs) are used to track renewable energy from the point of generation to a purchaser of green energy. Each REC represents 1 megawatt-hour (MWh) of electricity generated from renewable energy sources (like solar, wind, biomass, or hydro) that displaces electricity on the grid that would otherwise come from traditional sources (like oil and coal). Learn more about how RECs help make green energy possible.
  • No. The GoGreen Kentucky price of $1 per 100 kWh does not include taxes. Taxes will be calculated separately on your bill.
  • After the minimum two-block purchase of 200 kWh, you can purchase as many additional 100-kWh blocks of green power as you like.
  • Signing up for GoGreen Kentucky shows that you are concerned enough about improving the environment to participate in a voluntary program. GoGreen Kentucky gives you the opportunity to take an active role in preserving the environment for future generations.
  • Your personal commitment makes a difference! Every block of GoGreen Kentucky purchased promotes the use of environmentally friendly green power, thereby reducing the dependence on fossil fuels to generate energy. The environmental benefit of each minimum monthly purchase is about the same as not driving a car 500 miles.
  • Signing up for GoGreen Kentucky will not interfere with Budget Billing. Your GoGreen Kentucky purchase will simply be added to your monthly billing amount.
  • Regardless of your actual monthly electricity usage, your purchase of GoGreen Kentucky ensures that a specified amount of electricity is produced from renewable or environmentally friendly sources. The energy you support is delivered directly onto the electric system, reducing the need for energy from fossil fuel sources like oil and coal. Although buying GoGreen Kentucky does not mean that green power is being delivered straight from the source to your home, it does mean that more of the electricity being put onto the electric system comes from alternative energy sources rather than traditional generation.
  • Customers will receive semi-annual reports specifying the program sales, location of the power source, and amount of carbon dioxide (CO2) offset by the program.
  • To remain a GoGreen Kentucky participant, you must purchase at least the two-block (200 kWh) minimum purchase of $2 a month. You can add or subtract additional blocks of GoGreen Kentucky at any time by calling 877.451.0036.
  • Participation in GoGreen Kentucky is voluntary. There are no cancellation fees. You can withdraw from the program at any time with 30 days' notice.
  • GoGreen Kentucky is not tax deductible, because it is not a donation or contribution. The monthly GoGreen Kentucky charge goes directly toward program administration and the purchase of renewable energy certificates.
  • We recognize that green energy is not for all customers. However, many customers have expressed interest in purchasing energy generated from environmentally friendly sources. Since renewable energy is typically more expensive than fossil fuel generation, Duke Energy has chosen to introduce GoGreen Kentucky as a voluntary program. Customers interested in supporting the development of clean, alternative energy sources can choose the level of commitment that’s right for them without impacting the rates of traditional customers.
  • Although renewable energy sources are often free, the technology used to capture the energy produced is more expensive than traditional power generation. Renewable energy generation is still being developed nationwide. Prices vary according to availability and the type of renewable power produced. As the new technologies improve, the costs of producing electricity using renewable resources will become more competitive. An increased demand for green energy will lead to expanded production capabilities, which will ultimately lead to lower costs.
  • Renewable energy sources are energy sources that can be replaced or grown within a relatively short period of time. Renewable sources capture their energy from existing, natural processes such as sunshine, wind, flowing water, biological processes and geothermal heat flows. These power production processes are emission-free or reduce the emission of greenhouse gases (e.g., methane).

    • Wind – Wind energy is produced by a wind turbine with its rotating blades that harness the wind’s kinetic energy. Wind turbines contain generators that harness the mechanical energy from the spinning blades to generate electricity.

    • Hydroelectric – A hydroelectric power station utilizes water flow to power a turbine. The turbines are connected to generators that produce energy. Today, hydroelectric power generates 20% of the world’s electricity.

    • Solar – Solar energy is made by cells that convert sunlight to electricity without any moving parts. The conversion of sunlight into electricity is made possible with the special properties of semi-conducting materials.

    • Coal mine methane – Coal mine methane is created when coal is formed and is released when coal is mined. It is found in active and abandoned mines where it is subject to entering the atmosphere through vents (active mines) and improperly sealed vents/entrances (closed mines). The mine methane is tapped from mines and used in generators which reduces the amount that escapes into the atmosphere (methane is 21 times more potent as a greenhouse gas than CO2).

    • Landfill gas – More than 50% of the waste we generate ends up in landfills where it decomposes and produces landfill gas. Landfill gas is approximately 50% methane, a potent greenhouse gas that contributes to global climate change and 45% carbon dioxide. Methane is a renewable energy source that can be collected and used to fuel electric generators. At large landfills, the gas must be burned anyway in order to reduce the hazards arising from gas buildup. This method of producing renewable energy is regarded as one of the most successful.

    • Biomass – Biomass is produced when organic wastes, such as trees, wood waste and agricultural residues decay. Landfills offer a primary source of biomass. It can be converted to fuel through combustion for the generation of electricity.
  • The money from this program will be used to purchase renewable energy certificates (RECs) and help cover the program's marketing and administration expense. Duke Energy will make purchases from environmentally friendly sources located within our service area as they become available.
  • At Duke Energy, we are committed to the environment and to minimizing the environmental impacts of fossil fuel generation. We recognize that we can help offset carbon dioxide (CO2) emissions and improve the quality of life in our communities by investing in renewable energy sources and new alternative energy technologies.

  • Duke Energy is taking several measures to do our part in creating a sustainable energy future while working to reduce our carbon footprint. Efforts include reducing our carbon emissions, building more efficient power plants, developing robust energy efficiency programs and supporting state and federal energy policies that encourage market-based controls of greenhouse gas emissions and the development of new, cleaner technologies. Together, these initiatives will allow Duke Energy to continue to meet our customers’ energy needs in an environmentally sound manner.
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