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We combine SIC sector classification, SEC company coverage, and financial statistics into one industry profile.
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71 public companies · 71 exchange-listed
Source: SEC EDGAR XBRL filings and Sprytne sector aggregates. Updated 2026-03-29T05:56:57.120Z. The page is designed for comparative research, not investment advice.
Source: SEC EDGAR XBRL filings and Sprytne sector aggregates. Updated 2026-03-29T05:56:57.120Z.
Why this industry page is useful for search, retrieval, and sector benchmarking.
Source chain
We combine SIC sector classification, SEC company coverage, and financial statistics into one industry profile.
Retrieval model
The page surfaces the strongest sector signals first so Google and LLMs can jump directly into the right company graph.
Quality gate
Only sectors with real SEC-linked company coverage are published, and the page reflects the latest available source snapshot 2026-03-29T05:56:57.120Z.
Tiny provenance blocks keep this hub citation-friendly and easier for retrieval systems to chunk.
Sector core
SIC classification, SEC coverage, and benchmark stats define the sector identity layer.
Comparative layer
Top performers, state concentration, and related sectors give the page a strong internal comparison path.
Retrieval shape
Short structured blocks help Google and LLMs move from the sector overview into the right company graph.
71
Total Companies
71
Exchange Listed
49
Filed 10-K
39
States Represented
Total Sector Revenue
$285.82B
Aggregate of 32 companies with XBRL data
Avg Net Margin
7.4%
Moderately profitable· Based on 32 filings
Sector Analysis · Sprytne.com
As of July 2026, the Electric Services sector (SIC 4911) reports a combined revenue of $285.82B across 32 SEC-tracked entities. With an average net margin of 7.4%, this industry is classified as competitive. NRG ENERGY, INC. leads the sector with $30.35B in reported revenue. The data is derived exclusively from official SEC EDGAR XBRL submissions and reflects the most recently filed 10-K annual reports.
Data aggregated from SEC EDGAR XBRL submissions · Updated March 2026
| Rank | Company | Revenue | Net Income | Net Margin | vs Industry Avg |
|---|---|---|---|---|---|
| #1 | NRG ENERGY, INC.NRG | $30.35B | $864.0M | 2.9% | -4.6pp |
| #2 | SOUTHERN COSO | $28.94B | $4.34B | 15.0% | +7.6pp |
| #3 | NEXTERA ENERGY INCNEE | $25.80B | $6.83B | 26.5% | +19.1pp |
| #4 | Constellation Energy CorpCEG | $22.66B | $2.32B | 10.2% | +2.8pp |
| #5 | AMERICAN ELECTRIC POWER CO INCAEP | $21.70B | $1.48B | 6.8% | -0.6pp |
| Industry Average | $8.93B | $1.00B | 7.4% | baseline | |
ALGONQUIN POWER & UTILITIES CORP.
CIK: 0001174169 · A6
AMERICAN ELECTRIC POWER CO INC
CIK: 0000004904 · NY · 10-K: 2026-02-12
AQUA POWER SYSTEMS INC.
CIK: 0001553264 · NV · 10-K: 2022-06-29
Astra Energy, Inc.
CIK: 0001231339 · NV · 10-K: 2024-12-16
Bimergen Energy Corp
CIK: 0001066764 · DE · 10-K: 2025-05-30
BLACK HILLS CORP /SD/
CIK: 0001130464 · SD · 10-K: 2026-02-11
BRAZILIAN ELECTRIC POWER CO
CIK: 0001439124 · D5
Brookfield Renewable Corp
CIK: 0001791863 · A1
Brookfield Renewable Partners L.P.
CIK: 0001533232 · D0
CENTERPOINT ENERGY INC
CIK: 0001130310 · TX · 10-K: 2026-02-19
CENTRAL PUERTO S.A.
CIK: 0001717161 · C1
Clearway Energy, Inc.
CIK: 0001567683 · DE · 10-K: 2026-02-24
CONNECTICUT LIGHT & POWER CO
CIK: 0000023426 · CT · 10-K: 2026-02-17
CONSERVATIVE BROADCAST MEDIA & PUBLISHING, INC.
CIK: 0001452583 · NV · 10-K: 2011-04-18
Constellation Energy Corp
CIK: 0001868275 · PA · 10-K: 2026-02-24
DOMINION ENERGY, INC
CIK: 0000715957 · VA · 10-K: 2026-02-23
DTE ENERGY CO
CIK: 0000936340 · MI · 10-K: 2026-02-17
Eco Wave Power Global AB (publ)
CIK: 0001846715 · V7
EDENOR
CIK: 0001395213 · C1
EDISON INTERNATIONAL
CIK: 0000827052 · CA · 10-K: 2026-02-18
EDP ENERGIAS DE PORTUGAL SA
CIK: 0001039610 ·
Ellomay Capital Ltd.
CIK: 0000946394 · L3
EMERA INC
CIK: 0001127248 ·
Enel Chile S.A.
CIK: 0001659939 · F3
ENERGY CO OF MINAS GERAIS
CIK: 0001157557 ·
ENERGY CO OF PARANA
CIK: 0001041792 ·
Enlight Renewable Energy Ltd.
CIK: 0001922641 · L3
ENTERGY ARKANSAS, LLC
CIK: 0000007323 · TX · 10-K: 2026-02-19
ENTERGY CORP /DE/
CIK: 0000065984 · DE · 10-K: 2026-02-19
ENTERGY LOUISIANA, LLC
CIK: 0001348952 · TX · 10-K: 2026-02-19
Showing 30 of 71 companies in this sector
Electric Services is the SEC SIC category used to group companies with similar business models and financial reporting patterns.
The page is refreshed from the underlying SEC-driven company index on deploy and when the cached data changes.
Some companies do not have recent usable XBRL filings or do not expose enough data for every benchmark on the page.
Use them to compare leaders, spot high-margin companies, and move into the individual company pages for deeper analysis.