Green Energy program

Join our Green Energy program to make a difference

The LG&E and KU Green Energy program is voluntary. By participating, you are taking action to expand the generation capacity of renewable power on the regional electric grid that serves Kentucky.

How it works

You purchase Green Energy blocks

You purchase blocks of Green Energy each month, from LG&E and KU.

We purchase Renewable Energy Certificates on your behalf

We use the dollar value of your blocks to purchase Renewable Energy Certificates (RECs) from regional energy sources like solar, wind and biomass. The REC’s are retired on your behalf. Learn more on our REC purchases page.

Help support Green Energy

You directly support the growth and long-term viability of regional renewable energy operators and the broader renewable energy industry.

Green Energy block calculators

The Green Energy calculator will help you decide how many “blocks” to purchase per month by calculating the environmental benefit of your purchase in terms of carbon emissions reduced, at any level you choose.  

The Green Energy program provides an easy way for you to obtain RECs and their associated benefits, as well as show your support for renewable generators and the industry.

green-e certified logo

LG&E and KU Green Energy is Green-e Energy certified, and meets the environmental and consumer-protection standards set forth by the nonprofit Center for Resource Solutions. Learn more at www.green-e.org.

This offering is part of LG&E and KU's Green Tariff.

FAQs

What is a Green Energy Block?

The purchase of a block ensures exclusive ownership of the environmental and social benefits of the underlying electricity. When the Green Energy program purchases RECs on your behalf, only you can claim their associated benefits. Residential and small business customers pay $5 per block and large commercial and industrial customers pay $13 per block. Pricing of RECs can fluctuate with market pricing, however below are the annual averages during the 2021 calendar year:

  • Every $5 contribution to the Green Energy program purchased 1 block, which is roughly .9 RECs or 902 kWh of renewable (“Green”) energy.
  • Every $13 contribution purchased 1 block, which is roughly 2.63 RECs or 2,628 kWh of renewable (“Green”) energy.

How does the program work?

The LG&E and KU Green Energy program is voluntary. By participating, you are taking action to expand the generation capacity of renewable power on the regional electric grid that serves Kentucky.

Detailed version of how it works

The Green Energy program will use your monetary contributions to purchase Renewable Energy Certificates (RECs) on your behalf. A REC represents the property rights to the environmental, social, and other non-power benefits of 1,000 kilowatt-hours (kWh) of renewable electricity. RECs purchased by the program will be sourced from Kentucky or any of its bordering states.

When renewable energy operators generate 1,000 kWh of electricity, they have the option to create a REC to be associated with that 1,000 kWh of production. The creation of this REC decouples the raw electricity from its associated environmental benefit, effectively separating the sale of the two attributes. This provides a multitude of benefits to both renewable energy operators and those who purchase RECs.

For renewable operators, the sale of RECs offers another revenue stream that helps recover the high up-front capital costs of building the renewable generator. More revenue per unit of generation increases the likelihood of reinvestment in their operations. This reinvestment expands the economic viability of both the renewable energy operator and the industry at large.

For REC buyers, the purchase ensures exclusive ownership of the environmental and social benefits of the underlying electricity. When the Green Energy program purchases RECs on your behalf, only you can claim their associated benefits. Pricing of RECs can fluctuate with market pricing, however below are the annual averages during the 2020 calendar year: 

  • Every $5 contribution to the Green Energy program purchased 1 block, which is roughly .9 RECs or 902 kWh of renewable (“Green”) energy.
  • Every $13 contribution purchased 1 block, which is roughly 2.63 RECs or 2,628 kWh of renewable (“Green”) energy.

At whatever level you choose to participate, we ensure that for every kWh of Green Energy you purchase, the equivalent amount of renewable energy is being generated and delivered onto the electric grid serving Kentucky. At the end of every year the Green Energy program “retires” all RECs purchased in the prior year, ensuring they are not resold and that program participants are their only beneficiaries.

While the Green Energy program makes every effort to purchase RECs from renewable generators in Kentucky, we may also purchase RECs from any of Kentucky’s bordering states. This occurs when there is a significant difference in REC prices amongst Green-e certified generators in these states, when compared to REC prices from Green-e certified generators within Kentucky. Click here for more information about the resource type and location of RECs historically purchased by the program.

green-e certified logo


LG&E and KU Green Energy is Green-e Energy certified, and meets the environmental and consumer-protection standards set forth by the nonprofit Center for Resource Solutions. Learn more at www.green-e.org.

Whom should I contact for more information?

Residential

Customer Service (LG&E, KU).

Large commercial and industrial customers

Should contact their Key Account Representative for additional information. If customers do not have a Key Account Representative, contact Customer Service (LG&E, KU).

How will I be billed?

You will see a line item on your monthly LG&E or KU bill reflecting the amount of your Green Energy purchase. The amount of your purchase will be included in the total amount due on each of your monthly billing statements.

How will Green Energy appear on my bill?

Small Green Energy — Homes and Small Businesses 

If you are a Residential (Residential Service rate) or Small Commercial (General Service rate) customer, you will see a $5 charge on each of your monthly billing statements for each block of Green Energy you purchase. You may purchase as many blocks of Green Energy as you choose.

Large Green Energy - Large Commercial and Industrial Customers

If you are a Large Commercial or Industrial Customer (Power Service or Commercial/Industrial Time-of-Day rates), you will see a $13 charge on your monthly bill for each block of Green Energy you purchase. You may buy as many blocks of Green Energy as you choose. The amount of your Green Energy purchase will appear on your monthly bill and be included in the total amount due for as long as you participate. Partial blocks of Green Energy are not available.

Will the price of Green Energy change over time?

The cost of Green Energy blocks will remain consistent for the foreseeable future. You would be notified well in advance of any changes in the cost of Green Energy.

What length of agreement is required?

There is no minimum length of agreement required. Participants remain enrolled until they choose to cancel. Green Energy customers can cancel at any time without penalty.

What other fees might I be charged?

No other fees apply.

Additional resources

Green Energy Newsletter

Check out the Green Energy newsletters for the latest updates on the program.

Support 100% renewables

Determine what you need to support 100% renewables, costs associated and the environmental impact. 

Solar Share Program

Interested in also supporting local solar energy? Check out our Solar Share Program.

What are we doing to protect the environment?

We’re dedicated to protecting the environment, while delivering reliable and safe energy to our customers.