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In order to serve you better, please select your Dominion Energy location services.

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South Carolina natural gas customers will have a new way to significantly reduce their carbon footprint and support renewable natural gas projects. GreenTherm℠ is a voluntary program that offsets carbon emissions from natural gas use in customer's homes and businesses. The program works by supporting projects in South Carolina, and in neighboring states, that reduce greenhouse gas emissions.

GreenTherm

GreenTherm℠ is available to residential and commercial customers. To participate, you may purchase carbon offsets in $4 blocks on your monthly bill. A typical residential customer can offset their entire natural gas carbon footprint each month by purchasing three $4 blocks a month, or $12 total a month, achieving net zero carbon emissions from their monthly natural gas usage.

Typical Customer Type Typical Annual Usage in therms Typical Monthly Usage in therms Est. Blocks to Achieve Carbon Neutrality Est. Monthly Cost Est. Annual Cost
Average Residential 400 33 3 $12 $144

To achieve net zero carbon emissions associated with your natural gas usage, you can log in to your customer account to sign up. If you need to determine the number of blocks to purchase, visit Monthly Energy Use and view Usage History.

Ways to Enroll

Customer Benefits

  • Impactful. Purchasing offsets supports emissions-mitigating projects, including several in South Carolina, that help reduce the effects of greenhouses gases on climate change.
  • Convenient. There is ease and convenience in purchasing offsets through your monthly gas bill.
  • Affordable. Three $4 blocks a month, or $12 total per month, can completely offset the typical home’s emissions from their monthly natural gas use.
  • Local. It is a South Carolina-focused program with the majority of projects supporting local emissions-reducing projects.
  • Voluntary. The program is completely voluntary and will not affect your bill if you choose not to participate.

Frequently Asked Questions

Typical Customer Type Typical Annual Usage in therms Typical Monthly Usage in therms Est. Blocks to Achieve Carbon Neutrality Est. Monthly Cost Est. Annual Cost
Average Residential 400 33 3 $12 $144

A typical residential customer can offset their entire natural gas carbon footprint each month by purchasing three $4 blocks a month, or $12 total per month, achieving net zero carbon emissions from natural gas usage.

To achieve net zero carbon emissions associated with your natural gas usage, you are encouraged to log in to your customer account to view your usage history report.

GreenTherm is a carbon offset program that allows customers to voluntarily offset carbon emissions from natural gas use in their home or business by supporting projects reducing greenhouse gas emissions.

ThermWise is an energy conservation program that promotes the use of energy efficient practices and rebates to reduce natural gas usage.

Carbon offsets compensate for emissions from one source, such as your home, by reducing emissions from another source, such as a landfill. That way there is no overall increase in emissions. Carbon offsets are an effective tool used by people, businesses and governments around the world to combat climate change.

Most of our everyday activities, such as driving, using electricity or using natural gas, produce emissions. When we use natural gas to heat our home or cook food, we produce emissions as well. This program offsets emissions from your home by reducing emissions from other sources.

Everyone has a role to play in combatting climate change. Our company is taking bold and important steps every day to achieve our goal of net zero emissions. This program is an affordable way for our customers to join us on our journey and have a positive impact on the environment.

When a qualified carbon mitigation project is completed and reduces emissions from a source, the project developer can sell carbon offsets to a third party through a transparent and independently certified process. These carbon offsets must be independently measured and validated to ensure the emission reductions are real, accurate, permanent, and additional to what would be expected from normal day-to-day practices. We purchased the offsets for this program through a competitive bidding process to make sure they provide the best value for our customers. We then sell the offsets to our customers who participate in the program. We do not make a profit from the program.

Participation in the GreenTherm program is completely voluntary. A typical customer can elect to pay a surcharge of $12 per month, or three blocks per month, to completely offset their home's emissions each month, or purchase more blocks to offset even more emissions. Participation can be cancelled once during a 12-month period.

No. We do not make a profit from the program.

No. Customers who do not participate will not pay more for natural gas.

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