Green Mountain Energy Company

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

Company facts

Self-certified in SAM.gov: For Profit Organization
Entity structure: Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov: 221115 Wind Electric Power Generation Primary

221114 Solar Electric Power Generation
Corporate family: NRG Energy, Inc. Parent FA97FK2Z2PJ5

Green Mountain Energy Company YWWHK5KYCFF4
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.

Green Mountain Energy Company's Unique Entity ID (UEI) in SAM.gov is YWWHK5KYCFF4.

Green Mountain Energy Company's CAGE code is 3BYB0.

Green Mountain Energy Company's primary NAICS code is 221115 (Wind Electric Power Generation).

Green Mountain Energy Company's physical address in SAM.gov is 2745 Dallas Pkwy #200, Plano, TX 75093, USA.

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

Green Mountain Energy Company is part of NRG Energy, Inc.

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