- I Power National
- I Power National
- ICC Oil & Gas
- ICC Oil & Gas
- Idaho County Light & Power
- Idaho Power Co
- Idaho Power Co
- Idaho Power Co
- Idaho Power Co
- Idaho Power Co
- Idaho Power Co
- Idaho Power Co
- IDK Electric Co Inc
- IDK Electric Co Inc
- IEM Co
- IID Energy
- Illinois Power Co
- Illinois Power Co
- Illinois Power Co
- Illinois Power Co
- Illinois Power Co
- Illinois Power Co Shanghai
- Illinois Rural Electric
- Illinois Rural Electric Co
- Imagination Center Inc
- Imperial Irrigation District
- Imperial Irrigation District
- Imperial Irrigation District
- Imperial Valley Resource Rcvry
- In The Light Electric Co Inc
- Indeck Energy Svc
- Indeck Energy Svc
- Indeck West Enfield
- Indeck-Olean
- Indeck-Yerkes Energy Svc
- Independent Hydro Developers
- Independent Power Report
- Indian Electric Co-Op Inc
- Indian Electric Co-Op Inc
- Indian Electric Cooperative
- Indian Point Energy Ctr
- Indiana & Michigan Electric Co
- Indiana Michigan Electric Co
- Indiana Michigan Power
- Indiana Municipal Electric
- Indiana-Kentucky Electric Corp
- Indianapolis Campus Energy Inc
- Indianapolis Power & Light Co
- Indianapolis Power & Light Co
- Indianapolis Power & Light Co
- Industrial Electric Svc
- Industrial Electric Svc
- Industrial Power & Lhtg Corp
- Industrial Power & Lighting
- Industrial Power Generating Co
- Industrial Power Svc Corp
- Infinergy Services LLC
- Infinity Plus Electric
- Inland Power & Light Co
- Innovative Energy Solutions
- Innovative Energy Systems
- Innovative Power Solutions
- Integrated Power Systems Inc
- Inter-COUNTY Energy
- INTER-County Energy
- Intercounty Electric
- Intercounty Electric
- Intercounty Electric Co-Op
- Intermountain Power Agency Inc
- Intermountain Power Svc Corp
- Intermountain Power Svc Corp
- Intermountain Rural Electric
- Intermountain Rural Electric
- Intermountain Rural Electric
- Intermountain Rural Electric
- Internal Hydro Intl Inc
- International Energy Solutions
- International Energy Solutions
- International Falls Power Co
- International Gas & Power
- International Transmission Co
- International Transmission Co
- Interstate Power & Light Co
- Interstate Power Co
- Interstate Power Co Substation
- Iowa Lakes Electric Coop
- Ipnatchiaq Electric Co
- Irwin EMC
- Isle Au Haut Electric Power
- Isler Electric
- Italco Electric Inc
- Italco Electric Inc
- Itasca Mantrap Co-Op Elec Assn
- Itkin Electric
- ITT/Constant Power
- J & L Electric
- J C Pounce Electrical Co
- J M Mullen Electric Svc
- J P Electric
- J Power Inc
- J W Jernigan Electric
- J W Jernigan Electric
- J W Power Co
- JAC Electric Cooperative
- Jackson County Rural Electric
- Jackson Electric Co-Op
- Jackson Electric Co-Op
- Jackson Electric Co-Op
- Jackson Electric Membership
- Jackson Electric Membership
- Jackson Energy Authority
- Jackson Purchase Energy
- Jackson Service Plus
- JACO Electric Inc
- Jacoby Electric
- Jacoby Electric
- Jafco Electric Co Inc
- Jake's Electric Inc
- James P Loftis Electric
- Jamestown Wastewater Plant
- Japan Electric Power Info Ctr
- Jasper County REMC
- Jasper Newton Electric Co Op
- Jasper-Newton Electric Co-Op
- Jay County REMC
- Jaybird Electrical Co
- Jbc Electric
- Jeff Ledford Electric Co Inc
- Jefferson Davis Electric
- Jefferson Davis Electric Co-Op
- Jefferson Electric Membership
- Jefferson Energy Co-Op
- Jefferson Energy Cooperative
- Jefferson Energy Cooperative
- Jefferson Power LLC
- Jellico Electric & Water Syst
- Jellico Water Filtration Plant
- Jemez Mountain Electric Co-Op
- Jemez Mountain Electric Co-Op
- Jemez Mountains Electric
- Jemez Mountains Electric
- Jersey Central Power & Light
- Jet Power
- Jim Electric
- Jim Herlong Electric
- Jo Annimals Rescue Foundation
- Jo-Carroll Energy
- Jo-Carroll Energy Inc
- Joe Wheeler Electric
- Joe Wheeler Electric Co-Op
- Joe Wheeler Electric Mmbrshp
- John Sevier Fossil Plant
- Johnson City Power Board
- Johnson County Electric
- Johnson County REMC
- Johnson Electric
- Joint Industry Board
- Joint Industry Board Of Electr
- Jones Brothers Electric
- Jordan Electric Co
- JSG Electric Co
- JTA Electrical Contractor
- Jump River Electric
- Jump River Electric Inc
- K & L Electric
- K C Electric Assn
- K C Electric Assn
- K C Electric Assn
- K C Power & Light
- K Fleming Office
- K Road Power
- K Road Power
- K-C Electric Assn
- K-C Electric Assn Plant
- K-Co Electric
- Kainz Power Lines
- KAL Electric
- Kalu Power Systems
- KAMO Electric
- Kamo Electric Co-Op Inc
- KAMO Electric Cooperative
- KAMO Electric Cooperative
- KAMO Electric Cooperative
- Kamo Electric Corp
- Kamo Power
- Kamo Power
- Kankakee Valley Remc
- Kansai Electric Power Co Inc
- Kansai Electric Power Co Inc
- Kansas City Power & Light Co
- Kansas City Power & Light Co
- Kansas City Power & Light Co
- Kansas City Power & Light Co
- Kansas City Power & Light Co
- Kansas City Power & Light Co
- Kansas City Power & Light Co
- Kansas City Power & Light Co
- Kansas Electric Power Co-Op
- Kansas Electric Power Co-Op
- Kansas Power & Light Co
- Kansas Power & Light Co
- Kansas Power & Light Co Sub St
- Kaplan Municipal Light & Water
- Kappler Electric
- Karnes Electric Co-Op Inc
- Karnes Electric Co-Op Inc
- Katco Electric
- Kauai Island Utility Coop
- Kaw Valley Electric
- Kawaski Gas Turbines Americas
- Kay & Kompany Electric
- Kay Electric Co-Op
- KBR Rural Public Power Dist
- Kbr Rural Public Power Distrct
- Keiser Electric
- Keiser Electric
- KEM Electric Cooperative Inc
- Kenergy
- Kenergy
- Kenergy
- Kenergy Corp
- Kenergy Corp
- Kenergy Corporation
- Kenmoor Electric Co
- Kennebago Hydro Corp
- Kennebec Water Power Co
- Kennebunk Light & Power Dist
- Kenneth Helton Electrical Co
- Kentucky Utilities Co
- Kentucky Utilities Co
- Keosauqua Light & Power
- KERN Hydro Partners
- Kerrville Public Utility Board
- Kettle Falls Generating Sta
- Key Span Energy
- Keylite Electric Co
- Keys Energy Svc
- Keys Energy Svc
- Kiamichi Electric Co-Op Inc
- Kilowatts
- Kimball Light & Water Co
- Kimballton Light Plant
- Kinder Morgan Power Co
- King Electric Co
- Kingsbury Electric Co-Op Inc
- Kingsbury Hydro Electric Co
- Kiowa Switching Station
- Kipnuk Light Plant
- Kirbyville Light & Power Co
- Kit Carson Electric Co-Op Inc
- Kit Carson Propane
- Kiwash Electric Co-Op
- Klein Public Utility District
- Klein Public Utility District
- Kleinknecht Eletric Co Inc
- Kleinknecht Eletric Co Inc
- KMA Electric Inc
- KMA Electric Inc
- Kneggs Electric Co
- Kobuk Valley Electric Co
- Kodiak Electric Assn Inc
- Kootenai Electric Cooperative
- Korea Electric Power
- Korea Electric Power Corp
- Korea Electric Power Corp
- Kosciusko County REMC
- Kotlik Electric Svc
- Kotzebue Electric Assn
- Kwethluk Power House
- Kwig Power Co
- Ky Utilities Co
- Ky Utilities Co
- Ky Utilities Co Greenriver Sta
- Ky-Dan Electric
- L & O Power Co-Op
- L & R Electric Co
- L & T Electric
- L A Hydro-Electric
- L C Electric
- L E Bell Power Plant
- L G & E
- L G & E
- L G & E
- L G & E
- L H Morris Electric
- L S Power
- L S Power Corp
- L S Power Developement
- L S POWER Development LLC
- L S Power Development LLC
- L S Power Development LLC
- L V Electric Corp
- L' Esperance Electric
- L' Esperance Electric
- LA Clede Electric Co-Operative
- LA Farge Electric Co
- LA Follette Utilities
- LA Plata Electric Assn Inc
- LA Plata Electric Assn Inc
- LA Plata Electric Assn Inc