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GreenTherm®

Supporting renewable energy for a cleaner tomorrow

GreenTherm is a voluntary program that provides Enbridge Gas natural customers in Utah, Wyoming and Idaho an opportunity to support clean, renewable natural gas (RNG). Customers can elect to have a number of units, known as "blocks," of RNG added as a surcharge to their monthly gas bill, and Enbridge Gas then purchases “green attributes” (credits associated with the production of renewable natural gas) on the customers’ behalf.

Your participation in GreenTherm supports:

  • Development of renewable energy
  • Reduction in greenhouse gas emissions
  • Potential to improve air quality
  • Improved waste management

GreenTherm enrollment form

* Required

$5 monthly surcharge per block

* One block is equal to five therms equivalent of RNG. Five therms is equal to half a standard dekatherm. The typical Utah residential customer consumes 80 dekatherms of natural gas annually; an annual subscription of one GreenTherm block is equivalent to 6 dekatherms or 7.5 percent of a typical residential customer’s annual usage.

The Enbridge Gas GreenTherm Program is an approved program by the Utah Public Service Commission. Please note that by submitting this form you agree to let Enbridge Gas include at least $5 per block/month surcharge on your bill depending on the number of blocks selected. Submitting this form does not constitute a long-term contract associated with your participation. Please note that customers may apply for or leave this program at any time throughout the year. Changes to a customer’s bill will take effect 30 days after election and will appear on the next bill thereafter. Customers who have, in the most recent twelve-month period (a) received a shut-off notice, (b) entered into a payment agreement with the Company for a delinquent bill, or (c) have had service terminated are not eligible to participate in this program. The GreenTherm offering (price per block, and RNG equivalent per block) may be changed at any time contingent upon approval from the Utah Public Service Commission. Please note that this surcharge is completely optional and that you may opt out of it at any time by contacting us at 1-800-323-5517 or logging in to your account on EnbridgeGas.com.



Frequently asked questions

Renewable natural gas is pipeline-quality gas produced from existing waste streams and a variety of renewable and sustainable biomass sources. Sources may include waste water, landfills, agricultural waste or food waste.

The cost of RNG is made up of two components: the gas itself, and also what’s known as a green attribute, which is a certificate that verifies that energy (in this case, RNG) was produced from a renewable source. While the RNG can be sold at the same price as conventional natural gas, the green attribute provides an additional value for its environmental benefits.

Participation in the GreenTherm program is completely voluntary. Customers elect to pay a surcharge of $5 per block per month to support the development and advancement of renewable natural gas.

All Utah customers connected to Enbridge Gas' natural gas distribution system are eligible to participate in the GreenTherm program.

Natural gas is considered the cleanest fossil fuel; still, many customers prefer to know their energy comes from renewable sources. Also, capturing methane generated from landfills, agricultural waste or food waste prevents it from being released into the atmosphere.

By capturing methane released from organic waste such as wastewater, food waste and animal waste and re-purposing it as renewable natural gas, the GreenTherm program can help reduce the effects of climate change and may improve air quality.

When methane is converted into RNG, it captures 25 times more greenhouse gases from the atmosphere than are released when RNG is used by consumers. That makes RNG not only zero-carbon, but actually carbon-negative.

The GreenTherm program seeks to purchase RNG green attributes from local sources. However, if Enbridge Gas is unable to find renewable natural gas attributes from local sources, they will be purchased where available.

The $5 per block cost includes the purchase of a half-dekatherm of renewable natural gas green attributes as well as program-related marketing and administration costs.

A dekatherm is a standard unit of measuring energy used primarily to measure natural gas. One dekatherm is equivalent to 10 therms or 1,000,000 British thermal units. A typical residential customer consumes 80 dekatherms annually.

Renewable natural gas is currently more expensive to produce than conventional natural gas. While both conventional natural gas and renewable natural gas must be processed to satisfy pipeline safety and quality standards, the processing differs and currently costs more for renewable natural gas.

Renewable natural gas is a promising alternative energy source, like solar and wind power, that can help satisfy a growing demand for renewable energy sources and also lower greenhouse gas emissions. This demand could encourage improved technologies and lower prices over time.

No, Enbridge Gas does not profit from the GreenTherm program.