Skip to content
Summer 2026 · 26% off every plan with SUMMER26 See pricing
Optionomics
DUK · 10-Q filed August 4, 2026

DUK earnings analysis

What we found in DUK's 10-Q: the parts that mattered, the offsets in the same document, and what the company said about what comes next.

Our reading of the filing · Free to read, no account needed

Duke delivered Q2 GAAP EPS of $1.38, up 10.4% year over year, on $7.592B of revenue, up 1.1%; sequential comparisons were softer as revenue fell 17.3% from Q1 and EPS fell from $1.97. EU&I rate recovery, retail-volume growth and lower Florida storm amortization supported profit and margin expansion, while depreciation, interest expense and regulatory charges remained offsets. Liquidity benefited from approximately $5.3B of strategic-transaction proceeds, but first-half operating cash flow of $4.272B did not cover $8.240B of capital spending.

What stood out

The parts that mattered.

Pulled out of the filing itself, with the figures the company reported.

Year-over-year EPS growth despite sequential seasonality
Q2 revenue was $7.592B, up $82M (+1.1%) from $7.510B in Q2 2025, though down $1.588B (-17.3%) from $9.180B in Q1 2026. GAAP EPS rose $0.13 year over year to $1.38 from $1.25; adjusted EPS increased to $1.43 from $1.25.
Electric utility earnings strengthened
EU&I segment income increased $77M to $1.271B in Q2. Its $130M revenue increase reflected $117M of rate-case pricing, $84M of weather-normal retail-volume growth and $52M of higher wholesale revenue, partly offset by a $278M decline in Florida storm-recovery revenue.
Operating margin expanded
Consolidated operating margin was approximately 26.9%, up from 24.2% in Q2 2025 and 25.5% in Q1 2026. EU&I operating income rose $210M to $1.999B as operating expenses fell $86M despite a $112M increase in depreciation.
Asset monetizations improved liquidity
The company completed transactions producing about $5.3B of proceeds: $2.8B from the first Florida Progress minority-interest closing and $2.5B from the Piedmont Tennessee sale. Cash, cash equivalents and restricted cash ended June 30 at $850M, versus $363M at year-start.
Growth plan supported by load and tax-credit catalysts
Management cited sustained demand growth, including data-center development, and has contracted expanding data-center capacity. It also executed an agreement to sell up to $3.1B of net tax credits through 2029 and targets a January 1, 2027 effective date for the Carolinas electric-utility combination.
What to watch

And the other side of it.

The offsets in the same document — the things a summary that only listed the good news would have left out.

Capital spending materially exceeds operating cash flow
Operating cash flow fell $768M year over year to $4.272B in the first six months, while capital, investment and acquisition expenditures increased $1.812B to $8.240B. This implies a $3.968B six-month operating-cash-flow-after-capex deficit before asset-sale proceeds and financing.
Higher debt balances lift interest burden
Higher debt costs are pressuring earnings: EU&I Q2 interest expense rose $67M to $602M, and management attributed the increase to higher outstanding debt balances. Net long-term debt issuance was still $1.633B in the first six months.
CCR and rate-case uncertainty persists
Regulatory and environmental exposure remains significant. The EPA's April 2026 proposed CCR amendments remain unresolved, with a final rule anticipated in Q4 2026; management says the 2024 CCR Rule could have a material impact, while EU&I recorded $50M of Q2 impairment and other charges largely related to North Carolina rate-case settlements.
Gas segment revenue reduced by divestiture
Gas Utilities & Infrastructure Q2 operating revenue declined $44M to $449M, including a $24M reduction from the Tennessee-business sale. The segment generated only $10M of Q2 segment income, versus $6M a year earlier, underscoring a smaller recurring earnings base after the divestiture.
Risk-factor changes are incorporated by reference
The filing incorporates supplemental risk factors from a May 29, 2026 8-K rather than identifying new risk-factor text in the 10-Q itself. Accordingly, changes versus the 2025 10-K cannot be fully evaluated from this filing; the cited supplemental-risk filing date is May 29, 2026.
The numbers

What they reported.

What the company itself reported, taken out of the document.

What survived to operating profit
Of every $100 of revenue Cost of sales $27 Operating expenses $46 Left as operating profit $27
Percentages of revenue, taken from the filing. Drawn this way because it holds whatever scale the company reports in.
Earnings per share
$1.38
Gross margin
72.8%
Operating margin
26.9%
Segment
Electric Utilities & Infrastructure operating revenue: $7.175B, up $130M (+1.8%) year over year.
Segment
Gas Utilities & Infrastructure operating revenue: $449M, down $44M (-8.9%) year over year.
Segment
Other operating revenue: $40M, unchanged year over year.
Guidance

What they said about what is next.

The 10-Q does not provide a quantitative EPS or consolidated revenue outlook. Management states it remains focused on regulatory initiatives, customer growth and infrastructure investment for the remainder of 2026; the prior earnings release reaffirmed adjusted EPS guidance, but no numeric guidance is restated in this filing.

How we read the filing overall

The filing reads about the same as the one before it.

One reading of one document. It is not advice, and it is not a forecast.
Earlier filings

What came before.

10-Q · May 5, 2026
Duke Energy's Q1 2026 10-Q report reveals a strong performance with revenue hitting $9.18 billion, surpassing estimates, and diluted EPS reaching $1.97, also above expectations. The company continued to benefit from…
10-K · February 26, 2026
Duke Energy reported revenue of $32,237 million and operating income of $8,626 million for 2025, with diluted net income per share of $6.31. Results show multiyear top‑line and EPS improvement, continued heavy capital…
10-Q · August 5, 2025
Duke Energy reported Q2 2025 revenue of $7,508 million and GAAP diluted EPS of $1.25, beating consensus and up versus Q2 2024. Revenue and operating income remain above prior-year levels, but the company shows sizable…
10-Q · August 6, 2024
Duke Energy reported Q2 2024 operating revenues of $7,172 million (up from $6,578 million in Q2 2023) and operating income of $1,707 million (up from $1,430 million). Net income available to common stockholders turned…

This is our reading of a public filing, not the filing. Read the original on SEC.gov · Educational only. Nothing here is investment advice.

Read the next one first.

We read every filing DUK makes the day it lands, and put it next to what the options market did about it. Members get both, and an alert when a filing arrives.

Cancel anytime · Month to month · Switch tiers whenever