Industry · SIC 4991
Cogeneration Services & Small Power Producers
33 tracked issuers filing with the SEC under this industry classification.
Issuers
33
Recent filings
40
SIC code
4991
Industry overview
Cogeneration Services & Small Power Producers
Companies classified under SIC 4991, Cogeneration Services & Small Power Producers, develop and operate facilities that simultaneously generate electricity and useful thermal energy, often from natural gas, biomass, waste heat, or other distributed resources. Their core offerings include power purchase agreements, on-site combined heat and power plants, microgrids, and renewable-independent power projects tailored for industrial manufacturers, hospitals, universities, commercial campuses, and municipal utilities seeking lower energy costs and improved resiliency. Revenue is typically tied to long-term contracts, but operators face exposure to fuel price volatility, counterparty credit risk, interconnection constraints, and evolving federal and state regulations governing wholesale power markets, emissions standards, and incentives such as the Inflation Reduction Act tax credits. Key 2024–2025 trends include growing demand for decarbonization, data center capacity, and grid-edge reliability solutions, plus heightened scrutiny of project financing structures and cyber-physical security. For investors tracking this niche, view SEC filings and disclosure updates directly on Earnings Feed.
Source: Earnings Feed research · Nov 23, 2025
Latest filings
- 8-KAESAES CORP161.9 KBSEC(opens sec.gov)
- 8-KAESAES CORP141.6 KBSEC(opens sec.gov)
- 8-KAESAES CORP159.8 KBSEC(opens sec.gov)
- 8-KAESAES CORP348.3 KBSEC(opens sec.gov)
- 10-QAESAES CORP24.6 MBSEC(opens sec.gov)
- 8-KAESAES CORP156.5 KBSEC(opens sec.gov)
- 8-KAESAES CORP212.6 KBSEC(opens sec.gov)
- 8-KAESAES CORP578.2 KBSEC(opens sec.gov)
- 8-KAESAES CORP468.4 KBSEC(opens sec.gov)
- 4AESAES CORP12.2 KBSEC(opens sec.gov)
- SCHEDULE 13G/AAESFluence Energy, Inc.19.0 KBSEC(opens sec.gov)
- 10-QAESAES CORP20.3 MBSEC(opens sec.gov)
- 8-KAESAES CORP168.2 KBSEC(opens sec.gov)
- 8-KAESAES CORP148.5 KBSEC(opens sec.gov)
- 8-KAESAES CORP264.8 KBSEC(opens sec.gov)
- 10-KAESAES CORP46.6 MBSEC(opens sec.gov)
- 8-KAESAES CORP2.1 MBSEC(opens sec.gov)
- 8-KAESAES CORP147.9 KBSEC(opens sec.gov)
- 8-KAESAES CORP825.9 KBSEC(opens sec.gov)
- 10-QAESAES CORP26.7 MBSEC(opens sec.gov)
- 10-QAESAES CORP26.2 MBSEC(opens sec.gov)
- 8-KAESAES CORP823.7 KBSEC(opens sec.gov)
- 8-KAESAES CORP231.3 KBSEC(opens sec.gov)
- 8-KAESAES CORP196.7 KBSEC(opens sec.gov)
- 8-KAESAES CORP646.1 KBSEC(opens sec.gov)
- 10-QAESAES CORP21.0 MBSEC(opens sec.gov)
- 10-K/AAESAES CORP3.5 MBSEC(opens sec.gov)
- 8-KAESAES CORP359.7 KBSEC(opens sec.gov)
- 8-KAESAES CORP353.9 KBSEC(opens sec.gov)
- 8-KAESAES CORP191.9 KBSEC(opens sec.gov)
- 8-KAESAES CORP202.3 KBSEC(opens sec.gov)
- 10-KAESAES CORP46.8 MBSEC(opens sec.gov)
- 8-KAESAES CORP825.0 KBSEC(opens sec.gov)
- S-1/ABarony Power Corp777.2 KBSEC(opens sec.gov)
- 8-KAESAES CORP508.0 KBSEC(opens sec.gov)
- SC 13G/AAESAES CORP18.3 KBSEC(opens sec.gov)
- SC 13G/AAESAES CORP14.2 KBSEC(opens sec.gov)
- 8-KAESAES CORP776.8 KBSEC(opens sec.gov)
- 10-QAESAES CORP24.2 MBSEC(opens sec.gov)
- SC 13G/AAESAES CORP14.2 KBSEC(opens sec.gov)
Featured issuers
- AES CHINA GENERATING CO LTDCIK 0000916792
- AES CORPCIK 0000874761AES
- Barony Power CorpCIK 0002013121
- BESICORP GROUP INCCIK 0000320443
- BESICORP LTDCIK 0001075627
- Blue Earth, Inc.CIK 0001422109
- BONNEVILLE PACIFIC CORPCIK 0000795182
- CALENERGY CO INCCIK 0000720556
- COGENERATION CORP OF AMERICACIK 0000795185
- COVANTA ENERGY CORPCIK 0000073902
- COVANTA HOLDING CORPCIK 0000225648
- DESTEC ENERGY INCCIK 0000866282
Classification
- SIC code
- 4991
- Total issuers
- 33
- Recent filings
- 40