Duke Energy is one of the largest utility holding companies in the United States, providing electricity to 7.7 million retail customers in six states: North Carolina, South Carolina, Indiana, Ohio, Kentucky, and Florida. Duke’s methane gas utility companies also distribute gas in the Carolinas, Kentucky, Ohio, and Tennessee through its regulated utility subsidiaries Piedmont Natural Gas and Duke Energy Ohio.

Featured Articles

Illustration of family looking worriedly at a bill, from the petition website

It’s not just the cold: Rate increases are driving Duke Energy bills higher

March 27, 2026

Duke Energy customers in North Carolina have been shocked by recent high electric bills, and some are even petitioning for an audit. The company blames cold weather for recent bill spikes, but our analysis shows Duke’s rate increases are also to blame.

Portraits of NC state Rep. Carla Cunningham, Nasif Majeed, and Shelly Willingham

North Carolina voters rejected Duke Energy-funded Democrats who cast decisive votes for controversial utility bill

March 24, 2026

Three North Carolina Democratic state House members who crossed the aisle to cast key votes to override Gov. Josh Stein's veto of a controversial Duke Energy-backed utility bill were rejected by voters in their own party's primaries this month — after receiving the maximum $10,000 campaign contributions from the utility.

Map showing the number of utility disconnections by state shows that CA and NC are the outliers.

Duke Energy seeks higher rates, profits in NC despite soaring disconnections

December 18, 2025

The Charlotte-based utility giant is asking state regulators for permission to boost the rates they charge customers and their profits, even as the state’s disconnection rate is rising and putting people’s lives at risk.

Headshots of Phil Berger, Ralph Hise, Destin Hall

Duke Energy money fuels North Carolina Republicans as they pursue latest gerrymander

November 5, 2025

Duke Energy has quietly become one of the most powerful funders behind North Carolina’s Republican Party and politicians, at a time when state GOP leaders have pursued their latest congressional gerrymander.

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Paying for Utility Politics: How ratepayers are forced to fund the Edison Electric Institute and other political organizations

May 9, 2017

Attacks on Renewable Energy Policy by Fossil Fuel Interests 2013-2014

May 21, 2014

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Duke Energy

Featured Articles

It’s not just the cold: Rate increases are driving Duke Energy bills higher

North Carolina voters rejected Duke Energy-funded Democrats who cast decisive votes for controversial utility bill

Duke Energy seeks higher rates, profits in NC despite soaring disconnections

Duke Energy money fuels North Carolina Republicans as they pursue latest gerrymander

Reports

Paying for Their Profits: How Ratepayers Foot the Bill for Soaring Utility Profits

Utility Industry Contributions to Section 527 Political Organizations

Electric utilities falling behind on emission reduction targets

Power Trip: How utilities use customer money to fund lobbying, corporate branding, and luxury lifestyle expenses

Duke Energy Knew

Getting Politics Out of Utility Bills

Utility front groups spending on disinformation advertising

Many U.S. electric utilities plan slow decarbonization over next decade, out of sync with Biden plan

Pollution Payday: Analysis of executive compensation and incentives of the largest U.S. investor-owned utilities

Strings Attached: How utilities use charitable giving to influence politics and increase investor profits

Utility Carbon Targets Reflect Decarbonization Slowdown In Crucial Next Decade

Utilities Knew: Documenting Electric Utilities’ Early Knowledge and Ongoing Deception on Climate Change From 1968-2017

Paying for Utility Politics: How ratepayers are forced to fund the Edison Electric Institute and other political organizations

Attacks on Renewable Energy Policy by Fossil Fuel Interests 2013-2014

Press

Duke Energy’s political donations pay off through rate hikes

The Assembly: Duke Energy, once outspoken on diversity and the environment, now whispers

NC Newsline: Customer impact questioned as Duke Energy proposes consolidation of NC utilities

Subscribe to
our newsletter:

Subscribe toour newsletter:

Duke Energy

Featured Articles

It’s not just the cold: Rate increases are driving Duke Energy bills higher

North Carolina voters rejected Duke Energy-funded Democrats who cast decisive votes for controversial utility bill

Duke Energy seeks higher rates, profits in NC despite soaring disconnections

Duke Energy money fuels North Carolina Republicans as they pursue latest gerrymander

Reports

Paying for Their Profits: How Ratepayers Foot the Bill for Soaring Utility Profits

Utility Industry Contributions to Section 527 Political Organizations

Electric utilities falling behind on emission reduction targets

Power Trip: How utilities use customer money to fund lobbying, corporate branding, and luxury lifestyle expenses

Duke Energy Knew

Getting Politics Out of Utility Bills

Utility front groups spending on disinformation advertising

Many U.S. electric utilities plan slow decarbonization over next decade, out of sync with Biden plan

Pollution Payday: Analysis of executive compensation and incentives of the largest U.S. investor-owned utilities

Strings Attached: How utilities use charitable giving to influence politics and increase investor profits

Utility Carbon Targets Reflect Decarbonization Slowdown In Crucial Next Decade

Utilities Knew: Documenting Electric Utilities’ Early Knowledge and Ongoing Deception on Climate Change From 1968-2017

Paying for Utility Politics: How ratepayers are forced to fund the Edison Electric Institute and other political organizations

Attacks on Renewable Energy Policy by Fossil Fuel Interests 2013-2014

Press

Duke Energy’s political donations pay off through rate hikes

The Assembly: Duke Energy, once outspoken on diversity and the environment, now whispers

NC Newsline: Customer impact questioned as Duke Energy proposes consolidation of NC utilities

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