PART I
Item 1 — Business
DEFINITION OF ABBREVIATIONS AND INDUSTRY TERMS
| Xcel Energy Subsidiaries and Affiliates (current and former) | ||
| Cheyenne | Cheyenne Light, Fuel and Power Company, a Wyoming corporation | |
| Eloigne | Eloigne Company, a Minnesota corporation which invests in rental housing projects that qualify for low-income housing tax credits. | |
| NCE | New Century Energies, Inc. | |
| NMC | Nuclear Management Company, LLC, a wholly owned subsidiary of NSP Nuclear Corporation | |
| NRG | NRG Energy, Inc., a Delaware corporation and independent power producer | |
| NSP-Minnesota | Northern States Power Company, a Minnesota corporation | |
| NSP-Wisconsin | Northern States Power Company, a Wisconsin corporation | |
| PSCo | Public Service Company of Colorado, a Colorado corporation | |
| PSRI | P.S.R. Investments, Inc., a manager of corporate owned life insurance policies | |
| SPS | Southwestern Public Service Co., a New Mexico corporation | |
| UE | Utility Engineering Corporation, an engineering, construction and design company | |
| utility subsidiaries | NSP-Minnesota, NSP-Wisconsin, PSCo, SPS | |
| WGI | WestGas InterState, Inc., a Colorado corporation operating an interstate natural gas pipeline | |
| WYCO | WYCO Development L.L.C., a joint venture formed with Colorado Interstate Gas Company to develop and lease natural gas pipeline, storage, and compression facilities | |
| Xcel Energy | Xcel Energy Inc., a Minnesota corporation | |
Federal and State Regulatory Agencies |
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| ASLB | Atomic Safety and Licensing Board | |
| CAPCD | Colorado Air Pollution Control Division | |
| CPUC | Colorado Public Utilities Commission. The state agency that regulates the retail rates, services and other aspects of PSCo's operations in Colorado. The CPUC also has jurisdiction over the capital structure and issuance of securities by PSCo. | |
| DOE | United States Department of Energy | |
| EPA | United States Environmental Protection Agency | |
| FERC | Federal Energy Regulatory Commission. The U. S. agency that regulates the rates and services for transportation of electricity and natural gas; the sale of wholesale electricity, in interstate commerce, including the sale of electricity at market-based rates; hydroelectric generation licensing; and accounting requirements for utility holding companies, service companies, and public utilities. | |
| IRS | Internal Revenue Service | |
| MPCA | Minnesota Pollution Control Agency | |
| MPSC | Michigan Public Service Commission. The state agency that regulates the retail rates, services and other aspects of NSP-Wisconsin's operations in Michigan. | |
| MPUC | Minnesota Public Utilities Commission. The state agency that regulates the retail rates, services and other aspects of NSP-Minnesota's operations in Minnesota. The MPUC also has jurisdiction over the capital structure and issuance of securities by NSP-Minnesota. | |
| NDPSC | North Dakota Public Service Commission. The state agency that regulates the retail rates, services and other aspects of NSP-Minnesota's operations in North Dakota. | |
| NERC | North American Electric Reliability Corporation. A self-regulatory organization, subject to oversight by the U. S. FERC and government authorities in Canada, to develop and enforce reliability standards. | |
| NMPRC | New Mexico Public Regulation Commission. The state agency that regulates the retail rates and services and other aspects of SPS' operations in New Mexico. The NMPRC also has jurisdiction over the issuance of securities by SPS. | |
| NRC | Nuclear Regulatory Commission. The federal agency that regulates the operation of nuclear power plants. | |
| OES | Office of Energy Security, Minnesota Department of Commerce. | |
| PSCW | Public Service Commission of Wisconsin. The state agency that regulates the retail rates, services, securities issuances and other aspects of NSP-Wisconsin's operations in Wisconsin. | |
| PUCT | Public Utility Commission of Texas. The state agency that regulates the retail rates, services and other aspects of SPS' operations in Texas. | |
| SDPUC | South Dakota Public Utilities Commission. The state agency that regulates the retail rates, services and other aspects of NSP-Minnesota's operations in South Dakota. |