Duke Energy Clean Energy Program Exceeds Enrollment Targets in North Carolina

Duke Energy (NYSE: DUK) launched Green Source Advantage Express (GSA Express) in North Carolina and has exceeded initial enrollment targets with 177.3 MW subscribed and allocated.

Rhea-AI Summary

Duke Energy (NYSE: DUK) launched Green Source Advantage Express (GSA Express) in North Carolina and has exceeded initial enrollment targets with 177.3 MW subscribed and allocated. The voluntary program lets large nonresidential customers match up to 100% of annual electricity from new renewables and includes a Cleartrace tracking tool for verified environmental attributes.

Capacity split: 87.3 MW in Duke Energy Carolinas and 90 MW in Duke Energy Progress; 10% capacity reserved for new customers, released Q4 2026 if unsubscribed.

Positive

• GSA Express subscribed 177.3 MW in North Carolina
• 87.3 MW allocated to Duke Energy Carolinas territory
• 90 MW allocated to Duke Energy Progress territory
• Large customers Cisco, Daimler Truck, US Cold joined initial participants

Negative

• Ten percent capacity reserved until Q4 2026, limiting immediate availability for some new customers

Argus Mar 17 session

-0.38% close to close Open Argus

Details

News Market Reaction – DUK

In the Mar 17 session, DUK declined 0.38%, reflecting a mild negative market reaction.

Data tracked by StockTitan Argus on the day of publication.

Market Context

This announcement underscores Duke Energy’s strategy to expand customer-aligned clean energy offerin...

Analysis

This announcement underscores Duke Energy’s strategy to expand customer-aligned clean energy offerings, with GSA Express already reaching 177.3 MW of subscribed capacity across North Carolina. It highlights growing demand from large corporates for grid-connected renewables and introduces an Environmental Attribute Tracking tool for verified emissions data. In context of recent regulatory settlements and a standing $4,000,000,000 PremierNotes shelf, investors may monitor how such programs influence long-term load growth, capital deployment and customer mix across its 8.6 million electric accounts.

Key Figures

GSA Express subscribed: 177.3 MW Duke Energy Carolinas share: 87.3 MW Duke Energy Progress share: 90 MW +5 more

GSA Express subscribed

177.3 MW

North Carolina GSA Express capacity subscribed and allocated

Duke Energy Carolinas share

87.3 MW

GSA Express capacity in Duke Energy Carolinas territory

Duke Energy Progress share

90 MW

GSA Express capacity in Duke Energy Progress territory

Additional capacity reserve

10%

Portion of additional GSA Express capacity reserved annually for new customers

Electric customers

8.6 million

Electric utilities customer count across six states

Owned energy capacity

55,100 MW

Total energy capacity owned by Duke Energy

Gas customers

1.7 million

Natural gas utilities customer count across five states

Eligibility threshold (single site)

1 MW

Annual peak demand required at one location for GSA Express eligibility

Historical Context

5 past events · Latest: Mar 15

5 events

1. Mar 15

   Storm preparedness update

   24h Move

   +0.6%

   Guidance to Carolinas customers ahead of potential high winds and tornado risk.

2. Mar 11

   Community grant program

   24h Move

   +0.3%

   $500,000 in microgrants to bolster South Carolina emergency preparedness capabilities.

3. Mar 10

   SC combination settlement

   24h Move

   -1.1%

   South Carolina settlement on combining utilities, projecting about $2.3B in customer savings.

4. Mar 10

   NC combination settlement

   24h Move

   -1.1%

   North Carolina settlement on utility combination with long-term measurable customer benefits.

5. Mar 10

   Convertible notes offering

   24h Move

   -1.1%

   Upsized $1.3B 3.000% convertible notes to refinance 2026 convertible maturities.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

renewable energy, clean energy environmental attributes, environmental attribute tracking, carbon reductions, +1 more

5 terms

renewable energy technical

"strong demand for flexible, streamlined access to renewable energy across the state."

Sources of power that come from naturally replenishing resources—such as sunlight, wind, flowing water, and geothermal heat—rather than fuels that can run out. Investors care because renewable energy can reduce long-term fuel costs, lower regulatory and climate risk, and create growing markets for technology and infrastructure; think of it like putting money into a well that refills itself rather than a one-time fuel tank, offering steadier long-term returns and different risk profiles.

clean energy environmental attributes technical

"through revenue generated from the sale of clean energy environmental attributes (CEEAs)"

Clean energy environmental attributes are the measurable benefits tied to generating electricity from low- or zero-emission sources — for example the right to claim that power came from wind, solar, or other clean sources, often documented as certificates or credits. They matter to investors because they can create additional revenue streams, satisfy regulatory or corporate sustainability requirements, and affect the market value of projects in the same way a brand or warranty can boost the price of a product.

environmental attribute tracking technical

"launched a new Environmental Attribute Tracking tool in partnership with Cleartrace"

Environmental attribute tracking records and verifies the environmental characteristics tied to an activity, product, or unit of energy—for example reductions in greenhouse gas emissions, renewable electricity generation, or water savings—using certificates, registries, or digital records. For investors, it acts like a nutritional label for sustainability: it makes environmental claims measurable and comparable, shaping risk assessments, regulatory exposure, and the value of sustainability-linked assets.

carbon reductions technical

"providing customers with verified tracking of clean energy attributes and associated carbon reductions."

Actions that lower the amount of carbon dioxide and other greenhouse gases a company or activity releases into the atmosphere, achieved by using cleaner energy, improving efficiency, changing processes, or removing carbon from the air. Investors track carbon reductions because they can cut operating costs, reduce exposure to future regulations and fines, and protect reputation—similar to fixing a leaky roof to avoid bigger repair bills and insurance problems down the road.

renewable electricity technical

"a commitment to source 100 percent renewable electricity by 2030"

Electricity generated from naturally replenished sources such as sunlight, wind, flowing water and geothermal heat rather than from burning fossil fuels. Think of it like harvesting a perpetual resource—solar panels catching sunlight or wind turbines spinning in breezes—instead of using up a finite fuel. For investors, renewable electricity matters because it shapes long-term revenue potential, regulatory incentives, capital costs and competitive positioning as economies shift toward cleaner, more reliable power sources.

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• Cisco, United States Cold Storage Inc. and Daimler Truck North America among early participants to advance sustainability goals

CHARLOTTE, N.C., March 17, 2026 /PRNewswire/ -- Green Source Advantage Express (GSA Express), Duke Energy's newest clean energy program for large business customers in North Carolina, has surpassed initial enrollment targets, highlighting strong demand for flexible, streamlined access to renewable energy across the state.

The voluntary program allows nonresidential customers to subscribe to capacity from new renewable energy facilities on Duke Energy's grid, helping them match up to 100% of their annual electricity use without securing off‑site generation on their own.

The big picture: Duke Energy developed GSA Express as a more turnkey solution to the company's standard Green Source Advantage plan in response to customer feedback. The program also provides benefits to all Duke Energy retail customers through revenue generated from the sale of clean energy environmental attributes (CEEAs), regardless of whether they participate in the program.

Cisco, United States Cold Storage Inc. and Daimler Truck North America are among the first customers to participate in GSA Express.

By the numbers:

• North Carolina (GSA Express): 177.3 megawatts (MW) subscribed and allocated
• 87.3 MW in Duke Energy Carolinas territory
• 90 MW in Duke Energy Progress territory

Ten percent of additional capacity each calendar year is reserved for new business customers and will be released to large business customers in the fourth quarter of 2026 if not subscribed.

What they're saying:
Meghan Dewey, senior vice president of products, services and pricing solutions for Duke Energy:

"The strong initial response to Green Source Advantage demonstrates how the program meets the real‑world needs of organizations focused on sustainability. By listening to our customers and building on the success of earlier initiatives, we're proud to offer businesses and institutions a simpler, more flexible path to achieving their clean energy goals – empowering them to make meaningful progress toward a smarter energy future."

Evan S. Brown, renewable energy program manager for Cisco:

"Cisco is proud to build on its long-standing energy strategy in North Carolina by participating in Duke Energy's GSA Express program. The program enables access to locally sourced, scalable renewable power that supports our sustainability goals and long-term energy planning. It strengthens the reliability of our Research Triangle Park operations while contributing incremental capacity to the North Carolina energy grid – demonstrating how local partnerships can deliver practical energy solutions."

Jeff Allen, chief operating officer for Daimler Truck North America:

"Partnering with Duke Energy through the GSA Express program is an important step in advancing our sustainability goals and supporting the long-term energy needs of our operations. With a large manufacturing footprint in the area, this program gives us a reliable, scalable way to access clean energy directly from the grid – helping us reduce our emissions footprint while strengthening the resilience of our network. We're proud to be among the first participants and appreciate Duke Energy's commitment to making renewable energy more accessible for companies in North Carolina."

Michael Lynch, senior vice president – sustainable engineering and automation for United States Cold Storage:

"US Cold has set clear climate goals, including a commitment to source 100 percent renewable electricity by 2030 and science-based carbon reduction targets that have been independently validated. Programs like Duke Energy's GSA Express help us advance those commitments in a practical way, alongside investments we're already making onsite, such as the solar installation at our Lumberton facility. Together, these efforts reflect our long-term approach to building a more resilient, sustainable cold chain network."

Threshold requirements: GSA Express is available to nonresidential customers who have an annual peak energy demand of at least 1 MW at a single location or a combined peak demand of at least 5 MW across multiple locations within the same Duke Energy service territory.

Keeping emissions accurate: To support accurate emissions reporting, Duke Energy has also launched a new Environmental Attribute Tracking tool in partnership with Cleartrace, providing customers with verified tracking of clean energy attributes and associated carbon reductions.

Duke Energy
Duke Energy (NYSE: DUK), a Fortune 150 company headquartered in Charlotte, N.C., is one of America's largest energy holding companies. The company's electric utilities serve 8.6 million customers in North Carolina, South Carolina, Florida, Indiana, Ohio and Kentucky, and collectively own 55,100 megawatts of energy capacity. Its natural gas utilities serve 1.7 million customers in North Carolina, South Carolina, Tennessee, Ohio and Kentucky.

Duke Energy is executing an ambitious energy transition, keeping customer reliability and value at the forefront as it builds a smarter energy future. The company is investing in major electric grid upgrades and cleaner generation, including natural gas, nuclear, renewables and energy storage.

More information is available at duke-energy.com and the Duke Energy News Center. Follow Duke Energy on X, LinkedIn, Instagram and Facebook, and visit illumination for stories about the people and innovations powering our energy transition.

Contact: Logan Stewart
24-Hour: 800.559.3853

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SOURCE Duke Energy

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How much capacity has Duke Energy's GSA Express (DUK) subscribed in North Carolina as of March 17, 2026?

GSA Express has 177.3 MW subscribed in North Carolina. According to the company, that total is split as 87.3 MW in Duke Energy Carolinas and 90 MW in Duke Energy Progress.

Which major companies joined Duke Energy's GSA Express (DUK) initial participants on March 17, 2026?

Cisco, United States Cold Storage, and Daimler Truck North America are among the first participants. According to the company, these customers subscribed to GSA Express to advance sustainability and local renewable access.

What does GSA Express allow large business customers of Duke Energy (DUK) to do?

GSA Express lets nonresidential customers match up to 100% of annual electricity use with new renewable capacity. According to the company, it provides a turnkey alternative to securing off-site generation independently.

How will Duke Energy (DUK) support accurate emissions reporting for GSA Express customers?

Duke Energy launched an Environmental Attribute Tracking tool in partnership with Cleartrace. According to the company, the tool provides verified tracking of clean energy attributes and associated carbon reductions for customers.

What are the GSA Express eligibility thresholds for Duke Energy customers (DUK)?

GSA Express requires an annual peak demand of at least 1 MW at one location or 5 MW combined across locations in the same service territory. According to the company, the thresholds target large nonresidential customers.

What happens to the 10% reserved GSA Express capacity if not subscribed by Q4 2026?

If the reserved 10% additional capacity is not subscribed, it will be released to large business customers in the fourth quarter of 2026. According to the company, that release aims to expand availability to more customers.