Make us your home page

Largest U.S. utilities

Largest U.S. utilities

The Duke Energy-Progress Energy merge would create the largest U.S. utility by market capitalization ($36.5 billion), number of customers (7.1 million) and energy generation capacity (shown below).

Rank Utility Gigawatts
1 Southern 42.9
2 NextEra (parent of Florida Power & Light) 42.7
3 AEP (American Electric Power) 37
4 Duke 35.4
5 Calpine 28.3
6 Entergy 27.9
7 Dominion 25.6
8 Exelon 24.9
9 First Energy-Allegheny 23.7
10 Progress Energy 21.8

* Based on energy capacity owned as of Sept. 30 for Duke and Progress and as of Dec. 31, 2009, for all others on the list.

Source: Company filings

Residential customer service

Duke Energy delivered the best customer satisfaction to residents in the southeastern United States, the latest J.D. Power survey said. Progress Energy Florida was last. The rankings included 14 utilities that serve the Southeast.

Rank Utility Score
1 Duke Energy (Carolinas) 656
4 Progess Energy Carolinas 651
7 Florida Power & Light 645
13 Tampa Electric 610
14 Progress Energy Florida 598

Source: J.D. Power and Associates

Largest U.S. utilities 01/10/11 [Last modified: Monday, January 10, 2011 8:06pm]
Photo reprints | Article reprints

© 2017 Tampa Bay Times


Join the discussion: Click to view comments, add yours

  1. Appointments at the Tampa Metropolitan Area YMCA and the Straz Center highlight this week's Tampa Bay business Movers & Shakers



    The Tampa Metropolitan Area YMCA has named Matt Mitchell its new chief executive officer, effective Oct. 16. Selected by the Y's CEO Search Committee following a five-month search, Mitchell will succeed Tom Looby, who is retiring. Looby has served the Y Movement for 37 years, the past 10 …

    The Tampa Metropolitan Area YMCA has named Matt Mitchell as its new Chief Executive Officer. [Handout photo]
  2. Rep. Larry Ahern gets roughed up by Clearwater City Council

    State Roundup

    It seemed innocuous enough: an "end of session report" from state Rep. Larry Ahern, R-Seminole, to the Clearwater City Council.

    Then Ahern got taken to the woodshed.

    Rep. Larry Ahern is vying for a seat on the Pinellas commission.
  3. There's a bar in Tampa where you can roller skate and eat sushi

    Food & Dining

    Roller skating, it's not just for kids birthday parties and the 1970s anymore.

    The exterior of Pattinis features this mural by Art Aliens! [Pattinis South Tampa via Facebook]
  4. Lockdown: Florida's 97,000 prison inmates confined through weekend

    State Roundup

    All of Florida's 97,000 state prison inmates are on lockdown — and will remain confined to their dorms at least through the weekend — in response to unspecified threats about possible uprisings, officials from the Florida Department of Corrections confirmed Thursday.

    Blackwater River Correctional Facility. [Florida Department of Corrections]
  5. Carnival announces five more cruises from Tampa to Cuba


    TAMPA — Carnival Cruise Line is adding five more cruises from Tampa to Cuba in 2018, Port Tampa Bay announced Thursday.

      Carnival Cruise Line announced additional cruises to  Cuba. Pictured is its Paradise cruise ship departing on its inaugural voyage to Cuba from Tampa. | [MONICA HERNDON | Times]