CEG · Q2 2026 Earnings

Bullish

Constellation Energy

Reported August 6, 2026

30-second summary

Constellation posted $7.50B revenue (+23% YoY) and $2.55 non-GAAP EPS, beating consensus by 6.3%, and raised FY2026 adjusted operating EPS guidance by $0.50 on both ends to $11.50–$12.50. The raise validates the $11–$12 range set at Q4 initiation and reaffirmed at Q1, and comes with a nuclear capacity factor rebound to 93.0% (from 92.3% in Q1) alongside a step-up in commercial output — 920 MW of long-term PPAs signed this quarter.

Headline numbers

EPS

Q2 FY2026

$2.55

+6.3% vs est.

Revenue

Q2 FY2026

$7.50B

+23.0% YoY

-3.9% vs est.

Operating margin

Q2 FY2026

7.7%

Key financials

Q2 FY2026

Metric	Q2 FY2026	Q2 FY2025	YoY	Q1 FY2026	QoQ
Revenue	$7.50B	$6.10B	+23.0%	$11.12B	-32.5%
EPS	$2.55	$1.91	+33.5%	$2.74	-6.9%
Operating margin	7.7%	15.6%	-790bps	20.9%	-1320bps

Guidance

Company raised full-year FY2026 non-GAAP EPS guidance by $0.50 midpoint to $11.50–$12.50, reflecting strong Q2 earnings beat driven by Natural Gas, Oil, and Renewables segment growth offset partially by Nuclear Generation segment decline.

Guidance is issued for the full year only, refreshed each quarter. Prior and new below are the same FY updated this quarter.

Actuals vs prior guidance

Metric	Period	Prior guide	Actual	Δ	Result
Adjusted Operating Earnings Per Share	Q2 FY2026	—	$2.55	+6.3% above consensus estimate	Beat

Changes to prior guidance

Metric	Period	Prior guide	New guide	Δ	Result
Adjusted Operating Earnings Per Share	FY 2026	$11.00 - $12.00	$11.50 - $12.50	+$0.50 on both low and high end	Raised

Other KPIs

Q2 FY2026

Segment	Q2 FY2026	Q2 FY2025	YoY
Nuclear Generation Output	44,160 GWhs	45,170 GWhs	—
Total Generation Capacity	55 GW	—	—
Nuclear Capacity Factor (excl. Salem & STP)	93.0%	94.8%	—
Natural Gas EFOF	6.2%	—	—
Renewable Energy Capture	96.0%	—	—
Long-term PPAs Signed	920 MW	—	—
Operating Income	$580M	$951 million	—
Customer Accounts	2.5M	—	—

Management tone

Q3 FY2025 execution patience → Q4 FY2025 decisive multi-year framing → Q1 FY2026 regulatory clarity → Q2 FY2026 guide raise as tone.

No earnings call transcript was available for this quarter, so tone analysis is limited to what can be inferred from the press release and disclosed changes. The single most important signal is the guide raise itself — the first since the $11–$12 range was set two quarters ago. Management held the range flat through Q1 when Calpine integration was still being described as "ahead of schedule"; raising it now, with a symmetric $0.50 lift on both ends, signals visibility into the second half that wasn't defended at Q1.

The qualitative statements in the press release also reveal that management is emphasizing the nuclear asset transfer transaction "expected to close by the end of this year" and a 20-year license extension to 2049 pending approval — both extending the visibility horizon materially beyond the current guide period. This is consistent with the Q1 pivot from single-year to multi-year framing, and reinforces that management is comfortable pointing investors further out.

What did not change: no FY2026-specific FCF figure disclosed on the print (the $2B incremental target withdrawn last quarter has not been replaced), no base-EPS breakout separate from total EPS, and no additional named hyperscaler counterparty beyond the 920 MW aggregate PPA disclosure.

Answers to last quarter's watch list

PJM FERC filing in June and timeline integrity. The press release does not directly reference the June FERC submission or FERC response window flagged last quarter. Management did disclose the nuclear asset transfer transaction is "expected to close by the end of this year" and referenced expediting reliable emissions-free power delivery, which is consistent with regulatory progress — but the specific June filing timeline flagged as management's tonal anchor was not confirmed in the disclosed materials.

Continue monitoring

The withdrawn $2B FCF target — does a replacement number emerge? No FY2026-specific FCF figure was disclosed on the print. The extraction shows free_cash_flow_bn as null, and no replacement annual FCF target was surfaced. The longer-horizon cumulative framing from Q1 ($8.4B for 2026–27, $11.5–13B for 2028–29) remains the only FCF disclosure.

Resolved negatively

Base-EPS progression vs the implied multi-year step. The FY guide raise moved total non-GAAP EPS to $11.50–$12.50, but no separate base-EPS figure was disclosed. The Q4 FY2025 framework identified $6.65 as the FY2026 base-EPS anchor with a 20% CAGR through 2029; whether the guide raise flows to base EPS or purely to enhanced earnings was not broken out.

Not resolved

Named hyperscaler counterparties beyond CyrusOne. The 920 MW of long-term PPAs signed this quarter is the first aggregate commercial disclosure since Q1, but no specific hyperscaler counterparty was named on the print. The MW size is meaningful — roughly a nuclear-unit-equivalent of committed capacity — but the falsifiable test of the PJM-clarity pivot (a named counterparty) was not delivered.

Continue monitoring

Nuclear capacity factor recovery in FY2026. Q2 ex-Salem/STP capacity factor came in at 93.0%, up 70bps QoQ from Q1's 92.3% but still 180bps below Q2 FY2025's 94.8%. The fleet is recovering as refueling cadence normalizes but has not yet returned to the mid-90s range flagged in the watch.

Continue monitoring

Calpine-related disclosures. The Natural Gas/Oil/Renewables segment grew 451% YoY, reflecting the full-quarter Calpine contribution, but no specific integration synergy dollar figure or divestiture proceeds were disclosed. Natural Gas EFOF of 6.2% is the closest operational read.

Continue monitoring

Buyback cadence around the Calpine lockup. The press release materials disclosed here do not surface a specific buyback update or block-transaction disclosure tied to the June 30, 2026 Calpine lockup expiry.

Not resolved

What to watch into next quarter

The 920 MW PPA disclosure — does a named counterparty follow? Aggregate MW is a meaningful data point but not a fully falsifiable test. Watch whether Q3 discloses at least one named hyperscaler within that 920 MW book, with tenor and pricing disclosure.

Base-EPS split as the FY guide raises materially. The $0.50 midpoint raise to $12.00 total EPS should either flow to base EPS ($6.65 → higher) or be explicitly attributed to enhanced earnings. Watch whether the base-vs-enhanced split appears on the Q3 print or whether the metric quietly consolidates into annual-only.

Nuclear capacity factor into the mid-90s. 93.0% in Q2 is a step up from 92.3% in Q1 but not yet at the Q2 FY2025 comparable of 94.8%. Watch whether Q3 (historically the fleet's peak quarter — Q3 FY2025 hit 96.8%) exceeds 95%; anything below 94% would flag structural degradation from planned outage cadence.

Nuclear asset transfer transaction close by year-end. Management explicitly said it expects the transaction to close by end of FY2026, with license extension to 2049 pending approval. Watch for closing confirmation and any disclosure of transaction economics.

FCF disclosure — any replacement for the withdrawn $2B target. Two consecutive quarters without a FY2026-specific FCF figure. Watch whether Q3 restores an annual anchor or cements cumulative multi-year framing as the new disclosure norm.

Operating margin recovery from 7.7%. Q2 margin compression against Q2 FY2025's 15.6% and Q1 FY2026's 12.1% is a real signal, whether driven by Calpine purchase-accounting depreciation, mix, or fleet outages. Watch whether the margin returns to double digits in Q3.

Sources

Constellation Energy Q2 FY2026 press release (SEC filing): https://www.sec.gov/Archives/edgar/data/1868275/000186827526000097/ceg-20260806991.htm
Constellation Energy Q1 FY2026 brief (tapebrief prior coverage)
Constellation Energy Q4 FY2025 brief (tapebrief prior coverage)
Constellation Energy Q3 FY2025 brief (tapebrief prior coverage)
Constellation Energy Q2 FY2025 brief (tapebrief prior coverage)

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