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Xcel Energy Services, Inc

Tim Mastrogiacomo
Managing Attorney, Federal Regulatory
Xcel Energy Services Inc.
701 Pennsylvania Ave., NW Ste 250
Washington, DC 20004
Telephone: (202) 661-4481  
Email: tim.t.mastrogiacomo@xcelenergy.com

Terri Eaton
Senior Director, Regulatory Affairs
Xcel Energy Services Inc.
1800 Larimer Street
Denver, CO 80202
Telephone: 303-571-7112
Email: terri.k.eaton@xcelenergy.com

Federal Regulatory Affairs Contact
c/o Xcel Energy
414 Nicollet Mall
Minneapolis, MN 55401
Email: FERCservice@xcelenery.com

Xcel Energy Services, Inc. - Energy Marketing

Tim Mastrogiacomo
Managing Attorney, Federal Regulatory
Xcel Energy Services Inc.
701 Pennsylvania Ave., NW Ste 250
Washington, DC 20004
Telephone: (202) 661-4481  
Email: tim.t.mastrogiacomo@xcelenergy.com

Terri Eaton
Senior Director, Regulatory Affairs
Xcel Energy Services Inc.
1800 Larimer Street
Denver, CO 80202
Telephone: 303-571-7112
Email: terri.k.eaton@xcelenergy.com

Federal Regulatory Affairs Contact
c/o Xcel Energy
414 Nicollet Mall
Minneapolis, MN 55401
Email: FERCservice@xcelenery.com

Xcel Energy Services, Inc. - Transmission Services

Tim Mastrogiacomo
Managing Attorney, Federal Regulatory
Xcel Energy Services Inc.
701 Pennsylvania Ave., NW Ste 250
Washington, DC 20004
Telephone: (202) 661-4481  
Email: tim.t.mastrogiacomo@xcelenergy.com

Terri Eaton
Senior Director, Regulatory Affairs
Xcel Energy Services Inc.
1800 Larimer Street
Denver, CO 80202
Telephone: 303-571-7112
Email: terri.k.eaton@xcelenergy.com

Federal Regulatory Affairs Contact
c/o Xcel Energy
414 Nicollet Mall
Minneapolis, MN 55401
Email: FERCservice@xcelenery.com

Xcel Energy Southwest Transmission Company, LLC

Tim Mastrogiacomo
Managing Attorney, Federal Regulatory
Xcel Energy Services Inc.
701 Pennsylvania Ave., NW Ste 250
Washington, DC 20004
Telephone: (202) 661-4481  
Email: tim.t.mastrogiacomo@xcelenergy.com

Terri Eaton
Senior Director, Regulatory Affairs
Xcel Energy Services Inc.
1800 Larimer Street
Denver, CO 80202
Telephone: 303-571-7112
Email: terri.k.eaton@xcelenergy.com

Federal Regulatory Affairs Contact
c/o Xcel Energy
414 Nicollet Mall
Minneapolis, MN 55401
Email: FERCservice@xcelenery.com

Xcel Energy Transmission Development Company, LLC

Tim Mastrogiacomo
Managing Attorney, Federal Regulatory
Xcel Energy Services Inc.
701 Pennsylvania Ave., NW Ste 250
Washington, DC 20004
Telephone: (202) 661-4481  
Email: tim.t.mastrogiacomo@xcelenergy.com

Terri Eaton
Senior Director, Regulatory Affairs
Xcel Energy Services Inc.
1800 Larimer Street
Denver, CO 80202
Telephone: 303-571-7112
Email: terri.k.eaton@xcelenergy.com

Federal Regulatory Affairs Contact
c/o Xcel Energy
414 Nicollet Mall
Minneapolis, MN 55401
Email: FERCservice@xcelenery.com

XOOM Energy LLC

Cortney Madea Slager
Assistant General Counsel
NRG Energy, Inc.
804 Carnegie Center
Princeton, NJ 08540
Telephone: 609-524-5422
Fax: 609-524-4589
Email: Cortney.slager@nrg.com

Jennifer Hsia
Managing Senior Counsel
NRG Energy, Inc.
804 Carnegie Center
Princeton, NJ 08540
Telephone: 713-537-3292
Cell:609-240-4302
Fax: 609-524-4589
Email: Jennifer.hsia@nrg.com

Contact Information


This page was last updated on March 27, 2024