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Cogeneration Services & Small Power Producers stocks

The 3 US-listed companies classified as cogeneration services & small power producers (SIC group 499), largest first.

Prices as of Oct 30, 2026
Market value
$10.58B
3 companies
Year to date
+3.4%
On the day −1.46%
Over 52 weeks
+5.8%
Weighted by market value
P/E
8.8×
Net margin 9.8%

Cogeneration Services & Small Power Producers companies

Ranked by market cap at the latest close. Revenue, margin and P/E use the last twelve months.

#CompanyMarket capPrice1DYTD1YRevenueNet marginP/E
1aesAES$10.58B$14.83−1.46%+3.42%+5.78%$12.28B9.8%8.8×
2mmmwMass Megawatts Wind Power–$0.07710.00%−54.03%−57.16%–––

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