Green Mountain Energy Company

Plano, TX Doing business as Green Mountain Energy Co NY LLC Part of NRG Energy, Inc.

Company facts

FY2025 rankings: Its parent company, NRG Energy, Inc., ranks:

#75 in NAICS 2212

#82 in PSC S111
Self-certified in SAM.gov: For Profit Organization
Entity structure: Corporate Entity (Not Tax Exempt)
Other NAICS codes in SAM.gov: 221114 Solar Electric Power Generation
Corporate family: NRG Energy, Inc. Parent Princeton, NJ FA97FK2Z2PJ5

Green Mountain Energy Co NY LLC
SAM.gov registration date: Oct 3, 2002
Physical address: 2745 Dallas Pkwy #200, Plano, TX 75093, USA
Website: greenmountainenergy.com
Founded: 1997
Employees: 251-1K
Estimated annual revenue: $10B+
Industry: Utilities

Electric Utilities

Energy
SIC code: 49 Electric, Gas, & Sanitary Services
Profiles: LinkedIn

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Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Oct 30, 2025.

Yes. Green Mountain Energy Company's SAM.gov registration is active through October 30, 2026.

Green Mountain Energy Company's parent company, NRG Energy, Inc., ranked #75 in NAICS 2212 and #82 in PSC S111 in FY2025.

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