Constellation Energy Corporation (CEG) Revenue by Segment

Constellation Energy revenue by segment at a glance

In Q2 fiscal 2026 (the quarter ended June 30, 2026), Constellation Energy's largest business segment was Constellation Calpine, with $2.15 billion or 30% of revenue. Next: Constellation Midwest (22%), Constellation Mid Atlantic (21%) and Constellation Other Regions (13%).

By product or service, Power Revenue brought in 92%, Gas Revenue brought in 6% and Other Revenue brought in 3% of revenue in Q2 fiscal 2026.

The fastest-growing business segment from a year earlier was Constellation Mid Atlantic (+7.4%).

From company filings, in USD; latest quarter ended June 30, 2026; quarterly data from Q1 fiscal 2021.

Constellation Energy Corporation

CEGUtilities

United States

Utilities

Revenue breakdown

Fiscal quarters, from company filings

Segments by quarter (USD)

Click a bar to see that period below. Striped bars are calculated fourth quarters; an empty slot means it could not be calculated on the same basis i

Constellation Mid AtlanticConstellation MidwestConstellation Other RegionsReconciling itemsConstellation New YorkConstellation Natural GasConstellation ERCOTConstellation Total Consolidated GroupOther

Q2 FY26 breakdown

Fiscal quarter ended Jun 30, 2026

Item	Revenue	Share	vs year before	Trend
Constellation Calpine	USD 2.15B	29.6%	–	–
Constellation Midwest	USD 1.57B	21.6%	+2.9%
Constellation Mid Atlantic	USD 1.55B	21.5%	+7.4%
Constellation Other Regions	USD 964.00M	13.3%	-18.2%
Constellation New York	USD 564.00M	7.8%	+5.4%
Constellation ERCOT	USD 446.00M	6.2%	-3.9%
Reconciling itemsi	USD 260.00M		-72.7%

Sum of items USD 7.24B; corporate items and eliminations USD 260.00M. Shares are of the items shown. Click an item with › to see its parts.

Also reported by:

All periods

Every item and period in one grid. Purple = calculated; "–" = not available.

Item	Q2 FY26	Q1 FY26	Q4 FY25	Q3 FY25	Q2 FY25	Q1 FY25	Q4 FY24	Q3 FY24	Q2 FY24	Q1 FY24	Q4 FY23	Q3 FY23	Q2 FY23	Q1 FY23	Q4 FY22	Q3 FY22	Q2 FY22	Q1 FY22	Q4 FY21	Q3 FY21	Q2 FY21	Q1 FY21
Constellation Mid Atlantic	1.6B	1.8B	1.6B	1.8B	1.4B	1.7B	1.4B	1.6B	1.3B	1.2B	766.0M	1.4B	1.2B	1.2B	1.2B	1.7B	545.0M	508.0M	1.1B	567.0M	572.0M	1.2B
Constellation Midwest	1.6B	1.7B	1.5B	1.4B	1.5B	1.4B	1.3B	1.3B	1.2B	1.1B	814.0M	1.1B	1.3B	1.0B	1.3B	1.0B	652.0M	785.0M	1.1B	655.0M	658.0M	998.0M
Constellation Other Regions	964.0M	1.5B	1.3B	1.5B	1.2B	1.6B	1.3B	1.4B	1.2B	1.6B	339.0M	1.6B	1.1B	1.8B	1.5B	1.9B	169.0M	–	1.2B	–	136.0M	1.4B
Reconciling items	260.0M	2.7B	722.0M	688.0M	952.0M	1.2B	621.0M	1.2B	948.0M	1.4B	–	–	–	–	–	–	–	–	–	–	–	–
Constellation New York	564.0M	569.0M	535.0M	558.0M	535.0M	562.0M	516.0M	507.0M	514.0M	513.0M	354.0M	512.0M	471.0M	535.0M	417.0M	423.0M	293.0M	268.0M	402.0M	343.0M	–	337.0M
Constellation Natural Gas	–	–	–	–	–	–	–	–	–	–	–	605.0M	656.0M	1.5B	1.4B	1.1B	–	–	971.0M	–	–	1.3B
Constellation ERCOT	446.0M	370.0M	414.0M	628.0M	464.0M	398.0M	349.0M	523.0M	357.0M	321.0M	159.0M	559.0M	328.0M	169.0M	333.0M	490.0M	89.0M	79.0M	291.0M	–	83.0M	257.0M
Constellation Total Consolidated Group	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	2.0B	2.0B	–	–	2.2B	–
Constellation Reportable Segments Total	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	1.7B	1.9B	–	2.0B	–	–
Constellation All Other	–	–	–	–	–	–	–	–	–	–	–	315.0M	352.0M	1.3B	1.1B	- 574.0M	–	–	534.0M	881.0M	465.0M	46.0M
Calpine	–	2.4B	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
Constellation Calpine	2.1B	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–

Constellation Energy revenue by business segment, last 4 quarters

Business segment	Q2 FY26	Q1 FY26	Q3 FY25	Q2 FY25	Share
Constellation Calpine	$2.1B	–	–	–	30%
Constellation Midwest	$1.6B	$1.7B	$1.4B	$1.5B	22%
Constellation Mid Atlantic	$1.6B	$1.8B	$1.8B	$1.4B	21%
Constellation Other Regions	$964.0M	$1.5B	$1.5B	$1.2B	13%
Constellation New York	$564.0M	$569.0M	$558.0M	$535.0M	8%
Constellation ERCOT	$446.0M	$370.0M	$628.0M	$464.0M	6%

In USD, fiscal quarters as reported; share = part of Q2 FY26 revenue.

Constellation Energy revenue by product or service, last 4 quarters

Product or service	Q2 FY26	Q1 FY26	Q2 FY25	Q1 FY25	Share
Power Revenue	$5.4B	$6.5B	$4.8B	$5.2B	92%
Gas Revenue	$327.0M	$943.0M	$321.0M	$782.0M	6%
Other Revenue	$161.0M	$145.0M	$90.0M	$86.0M	3%

In USD, fiscal quarters as reported; share = part of Q2 FY26 revenue.

Questions and answers

What are Constellation Energy's business segments?

Constellation Calpine, Constellation Midwest, Constellation Mid Atlantic, Constellation Other Regions, Constellation New York and Constellation ERCOT (as reported for Q2 fiscal 2026).

Which business segment makes the most money for Constellation Energy?

Constellation Calpine: $2.15 billion, or 30% of revenue, in Q2 fiscal 2026.

What are Constellation Energy's main products and services?

By revenue in Q2 fiscal 2026: Power Revenue (92%), Gas Revenue (6%) and Other Revenue (3%).

MoreConstellation Energy stock overview Constellation Energy financials Constellation Energy executive team Constellation Energy shareholders

Disclaimer: This analysis is for informational and educational purposes only and does not constitute financial, investment, tax, or legal advice. Data may be incomplete, delayed, or contain inaccuracies. Consult with a qualified financial advisor before making any investment decisions.