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CEG vs. DUK: Which Utility Stock Offers Better Growth Potential?
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Key Takeaways
Duke Energy edges out Constellation Energy on dividend yield, valuation, profit margin and stock volatility.
CEG's long-term earnings growth estimate of 14.92% exceeds DUK's 6.38%, supported by rising power demand.
DUK plans $103B in capital spending through 2030 and offers a 3.48% dividend yield versus CEG's 0.66%.
The United States electricity producers are experiencing strong demand for clean energy, fueled by the rapid expansion of artificial intelligence (AI) data centers, manufacturing reshoring, growing electrification and rising electric vehicle adoption. Power producers with nuclear and renewable generation assets are well positioned to benefit from these trends by supplying reliable, large-scale, carbon-free electricity.
Constellation Energy Corporation (CEG - Free Report) and Duke Energy Corporation (DUK - Free Report) are two major electricity producers with nuclear generation capacity. Both companies are investing in their generation portfolios to address rising electricity demand and support the transition toward cleaner energy. However, their business models differ significantly. Constellation Energy operates primarily in competitive power markets, while Duke Energy generates most of its earnings through regulated utility operations.
CEG is the largest producer of carbon-free nuclear electricity in the United States. Its extensive nuclear fleet provides reliable baseload power, positioning the company to capitalize on growing electricity demand from AI data centers, industrial expansion and electrification. Long-term power purchase agreements offer greater revenue visibility, while investments in nuclear plant upgrades and supportive energy policies strengthen its growth prospects.
The acquisition of Calpine further diversifies Constellation Energy's generation portfolio by adding dispatchable natural gas capacity, development capabilities and an expanded retail customer base. This combination strengthens the company's ability to meet increasing demand for dependable electricity while offering customers greater flexibility and long-term price certainty.
Duke Energy also offers attractive long-term growth opportunities, supported by its substantial nuclear generation fleet and expanding investments in cleaner energy infrastructure. Its nuclear facilities provide dependable baseload electricity, while investments in renewable generation, battery storage and grid modernization support the evolving energy needs of customers.
As a regulated utility, Duke Energy benefits from relatively predictable earnings and cash flows, supported by ongoing infrastructure investments and rate-base expansion. The company is also making progress in converting its economic development pipeline into executed Electric Service Agreements (ESAs), improving visibility into future electricity demand and infrastructure requirements. Management has reported approximately 7.6 gigawatts (GW) of data center ESAs, which could support higher electricity sales and additional capital investments over the long term.
With electricity demand projected to remain robust, both Constellation Energy and Duke Energy are well positioned to capitalize on the rising need for reliable power. However, both companies' distinct business models, expansion plans, earnings growth prospects and risk exposures warrant a closer examination of their fundamentals to assess which stock presents a more compelling investment opportunity.
CEG and DUK’s Earnings Estimates
The Zacks Consensus Estimate for Duke Energy’s 2026 and 2027 EPS indicates year-over-year growth of 6.5% and 6.49%, respectively. The long-term (three to five years) earnings growth is currently pegged at 6.38%.
Image Source: Zacks Investment Research
The Zacks Consensus Estimate for Constellation Energy’s 2026 and 2027 EPS implies year-over-year growth of 29.07% and 9.3%, respectively. The long-term earnings growth is currently pegged at 14.92%.
Image Source: Zacks Investment Research
Investment Plans
Huge capital investment is required to set up the traditional electricity generation plant, including the nuclear plants, where the installation of safety measures and safe storage of nuclear waste are essential for smooth operation. The rising interest rates can increase capital financing costs.
Constellation Energy expects to invest nearly $5.7 billion and $4.7 billion for 2026 and 2027, respectively. A portion of the capital expenditures is for the acquisition of nuclear fuel, which includes additional nuclear fuel to increase inventory levels.
Duke Energy anticipates spending capital worth $103 billion in the 2026-2030 period to expand its infrastructure and add new assets to the clean power generation portfolio.
Return on Equity
Return on Equity (“ROE”) is an important measure of financial performance that indicates how efficiently a company converts shareholder equity into profits. It highlights management’s effectiveness in utilizing invested capital to grow earnings and enhance shareholder value.
CEG’s current ROE is 14.89% compared with DUK’s 9.78%.
Image Source: Zacks Investment Research
DUK and CEG’s Valuation
Duke Energy currently appears to be trading at a discount compared with Constellation Energy on a forward 12-month Price/Earnings basis.
DUKE is currently trading at 17.63X, while CEG is trading at 19.85X compared with the S&P 500’s 19.27X.
Image Source: Zacks Investment Research
CEG & DUK’s Dividend Yield
Electricity producers typically generate stable revenues and predictable cash flows, allowing management to forecast earnings with greater certainty and sustain consistent dividend payments to shareholders over the long term.
The current dividend yield of Constellation Energy is 0.66% and it has raised dividends five times in the past five years. The same for Duke Energy is 3.48% and it has also raised dividends five times in the past five years.
Net Profit Margin
Net profit margin measures how efficiently a company converts revenues into profit after all expenses, offering insight into its overall profitability and financial health.
Duke Energy's net margin is 15.81X compared with Constellation Energy’s 11.39X.
Volatility of the Stock
Beta measures a stock’s volatility relative to the broader market and indicates its level of market-related risk. Generally, a higher beta signals greater volatility and risk. A beta above 1 means the stock tends to experience greater price volatility than the broader market, with larger swings in both directions.
Duke Energy’s beta is currently pegged at 0.36 compared with Constellation Energy’s 1.12. CEG tends to be more volatile due to its greater exposure to merchant power markets.
Summing Up
Constellation Energy and Duke Energy generate significant amounts of clean energy, helping meet the electricity needs of millions of customers across their U.S. service territories.
Based on the above discussion, Duke Energy currently has a marginal edge over Constellation Energy. DUK’s stronger dividend yield, elaborate capital investment, cheaper valuation, healthier net margin and lower beta make it attractive compared with CEG.
Although both companies currently have a Zacks Rank #3 (Hold), considering the aforementioned factors, Duke Energy is currently our choice and is likely to have better growth potential.
View the Zacks #1 Rank List
Image: Bigstock
CEG vs. DUK: Which Utility Stock Offers Better Growth Potential?
Key Takeaways
The United States electricity producers are experiencing strong demand for clean energy, fueled by the rapid expansion of artificial intelligence (AI) data centers, manufacturing reshoring, growing electrification and rising electric vehicle adoption. Power producers with nuclear and renewable generation assets are well positioned to benefit from these trends by supplying reliable, large-scale, carbon-free electricity.
Constellation Energy Corporation (CEG - Free Report) and Duke Energy Corporation (DUK - Free Report) are two major electricity producers with nuclear generation capacity. Both companies are investing in their generation portfolios to address rising electricity demand and support the transition toward cleaner energy. However, their business models differ significantly. Constellation Energy operates primarily in competitive power markets, while Duke Energy generates most of its earnings through regulated utility operations.
CEG is the largest producer of carbon-free nuclear electricity in the United States. Its extensive nuclear fleet provides reliable baseload power, positioning the company to capitalize on growing electricity demand from AI data centers, industrial expansion and electrification. Long-term power purchase agreements offer greater revenue visibility, while investments in nuclear plant upgrades and supportive energy policies strengthen its growth prospects.
The acquisition of Calpine further diversifies Constellation Energy's generation portfolio by adding dispatchable natural gas capacity, development capabilities and an expanded retail customer base. This combination strengthens the company's ability to meet increasing demand for dependable electricity while offering customers greater flexibility and long-term price certainty.
Duke Energy also offers attractive long-term growth opportunities, supported by its substantial nuclear generation fleet and expanding investments in cleaner energy infrastructure. Its nuclear facilities provide dependable baseload electricity, while investments in renewable generation, battery storage and grid modernization support the evolving energy needs of customers.
As a regulated utility, Duke Energy benefits from relatively predictable earnings and cash flows, supported by ongoing infrastructure investments and rate-base expansion. The company is also making progress in converting its economic development pipeline into executed Electric Service Agreements (ESAs), improving visibility into future electricity demand and infrastructure requirements. Management has reported approximately 7.6 gigawatts (GW) of data center ESAs, which could support higher electricity sales and additional capital investments over the long term.
With electricity demand projected to remain robust, both Constellation Energy and Duke Energy are well positioned to capitalize on the rising need for reliable power. However, both companies' distinct business models, expansion plans, earnings growth prospects and risk exposures warrant a closer examination of their fundamentals to assess which stock presents a more compelling investment opportunity.
CEG and DUK’s Earnings Estimates
The Zacks Consensus Estimate for Duke Energy’s 2026 and 2027 EPS indicates year-over-year growth of 6.5% and 6.49%, respectively. The long-term (three to five years) earnings growth is currently pegged at 6.38%.
Image Source: Zacks Investment Research
The Zacks Consensus Estimate for Constellation Energy’s 2026 and 2027 EPS implies year-over-year growth of 29.07% and 9.3%, respectively. The long-term earnings growth is currently pegged at 14.92%.
Image Source: Zacks Investment Research
Investment Plans
Huge capital investment is required to set up the traditional electricity generation plant, including the nuclear plants, where the installation of safety measures and safe storage of nuclear waste are essential for smooth operation. The rising interest rates can increase capital financing costs.
Constellation Energy expects to invest nearly $5.7 billion and $4.7 billion for 2026 and 2027, respectively. A portion of the capital expenditures is for the acquisition of nuclear fuel, which includes additional nuclear fuel to increase inventory levels.
Duke Energy anticipates spending capital worth $103 billion in the 2026-2030 period to expand its infrastructure and add new assets to the clean power generation portfolio.
Return on Equity
Return on Equity (“ROE”) is an important measure of financial performance that indicates how efficiently a company converts shareholder equity into profits. It highlights management’s effectiveness in utilizing invested capital to grow earnings and enhance shareholder value.
CEG’s current ROE is 14.89% compared with DUK’s 9.78%.
Image Source: Zacks Investment Research
DUK and CEG’s Valuation
Duke Energy currently appears to be trading at a discount compared with Constellation Energy on a forward 12-month Price/Earnings basis.
DUKE is currently trading at 17.63X, while CEG is trading at 19.85X compared with the S&P 500’s 19.27X.
Image Source: Zacks Investment Research
CEG & DUK’s Dividend Yield
Electricity producers typically generate stable revenues and predictable cash flows, allowing management to forecast earnings with greater certainty and sustain consistent dividend payments to shareholders over the long term.
The current dividend yield of Constellation Energy is 0.66% and it has raised dividends five times in the past five years. The same for Duke Energy is 3.48% and it has also raised dividends five times in the past five years.
Net Profit Margin
Net profit margin measures how efficiently a company converts revenues into profit after all expenses, offering insight into its overall profitability and financial health.
Duke Energy's net margin is 15.81X compared with Constellation Energy’s 11.39X.
Volatility of the Stock
Beta measures a stock’s volatility relative to the broader market and indicates its level of market-related risk. Generally, a higher beta signals greater volatility and risk. A beta above 1 means the stock tends to experience greater price volatility than the broader market, with larger swings in both directions.
Duke Energy’s beta is currently pegged at 0.36 compared with Constellation Energy’s 1.12. CEG tends to be more volatile due to its greater exposure to merchant power markets.
Summing Up
Constellation Energy and Duke Energy generate significant amounts of clean energy, helping meet the electricity needs of millions of customers across their U.S. service territories.
Based on the above discussion, Duke Energy currently has a marginal edge over Constellation Energy. DUK’s stronger dividend yield, elaborate capital investment, cheaper valuation, healthier net margin and lower beta make it attractive compared with CEG.
Although both companies currently have a Zacks Rank #3 (Hold), considering the aforementioned factors, Duke Energy is currently our choice and is likely to have better growth potential.
You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.