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North Carolina (US-NC)

Market Type: Deregulated (Retail Choice)
SSS Relevance: ⭐⭐⭐ High
Grid Carbon Intensity: ~304 gCO₂/kWh

SSS Factors: significant nuclear capacity, hydroelectric resources, regulated market structure

1. Overview​

North Carolina operates a regulated electricity market where utilities hold exclusive service territories. The market is dominated by Duke Energy (via subsidiaries Duke Energy Carolinas and Duke Energy Progress), which serves approximately 96% of the state's retail customers, while Dominion Energy serves a portion of the northeast. An additional 26 electric cooperatives and 92 municipal systems serve specific local areas. The North Carolina Utilities Commission (NCUC) regulates rates and service standards [2].

The state is currently experiencing an unprecedented surge in energy demand, driven by new data centers and high-tech manufacturing, with summer and winter peak demand forecasted to grow at annual rates of 1.5% to 4.6% through 2038 [2]. This demand growth is projected to increase net emissions by 7% between 2022 and 2030, posing a challenge to decarbonization goals [3].

Generation and Carbon Intensity​

In 2023, North Carolina’s electricity generation mix was comprised of:

  • Natural Gas: 41%
  • Nuclear Power: 33%
  • Renewables: 15%
  • Coal: 11% [1][2]

The state ranks 4th nationally for solar generating capacity, with solar accounting for approximately 10% of total generation (two-thirds of all renewable generation) [1]. As of early 2025, the grid carbon intensity is approximately 324 gCO2eq/kWh, a significant decline from 2005 levels. North Carolina ranks 33rd in the U.S. for carbon dioxide emissions per MWh, performing better than the national average [3].

Decarbonization Targets​

Under House Bill 951, North Carolina has established legally binding mandates to reduce carbon emissions from electric generating facilities by 70% by 2030 (relative to 2005 levels) and achieve carbon neutrality by 2050 [1][3]. To meet these targets, the NCUC has ordered the retirement of over 8,000 MW of coal by 2036 and the procurement of new solar, battery storage, and wind capacity [3].

Pricing​

As of February 2026, the average residential electricity rate is approximately 13¢/kWh, which is about 29% below the national average. However, electricity bills have increased by roughly 22% since 2020, and Duke Energy has proposed rate increases of 15% for 2027–2028 to fund infrastructure needed for rising demand [2].

2. Market Structure​

North Carolina operates under a vertically integrated electricity market structure where a single utility typically owns generation, transmission, and distribution assets. The state does not offer retail choice for residential consumers, meaning customers cannot select alternative power suppliers 1.

Utility Ownership Models​

The state's utility landscape is divided into three primary categories:

  • Investor-Owned Utilities (IOUs): These for-profit corporations serve the majority of the state's population and are regulated by the North Carolina Utilities Commission (NCUC). Major providers include Duke Energy Carolinas, Duke Energy Progress, and Dominion Energy North Carolina 23.
  • Municipal Utilities: Over 70 public power communities are owned by local city or town governments. While most belong to ElectriCities of North Carolina, their rates and services are governed locally rather than by the NCUC 23.
  • Electric Cooperatives: Twenty-six local electric membership cooperatives (EMCs) serve approximately 2.8 million people, primarily in rural areas. These nonprofit entities are supported by the North Carolina Electric Membership Corporation (NCEMC) for power supply 45.

Grid Management and RTO Status​

North Carolina does not utilize a single statewide Independent System Operator (ISO) or Regional Transmission Organization (RTO). Instead, grid management is split:

  • PJM Interconnection: This RTO manages the wholesale electricity market and grid reliability for a small portion of northeastern North Carolina 2.
  • Vertically Integrated Utilities: The majority of the state’s grid is managed directly by individual utilities 2.

Market History and Reform​

In 2000, North Carolina briefly considered electricity deregulation but suspended these plans following the California electricity crisis due to concerns regarding price volatility 1. Recently, the NCUC has been directed to study the potential benefits of joining a broader RTO or an Energy Imbalance Market (EIM) to enhance reliability and reduce costs, though the region has historically preferred traditional utility structures 66.

3. Clean Energy Policy​

North Carolina's energy policy is governed by a statutory requirement to achieve carbon neutrality (net-zero emissions) in the electricity sector by 2050 3. This goal is implemented through a "Carbon Plan" updated every two years by the North Carolina Utilities Commission (NCUC) using a "least-cost" approach 7.

Renewable Portfolio Standard (REPS/CEPS) The state operates under a Clean Energy and Energy Efficiency Portfolio Standard (CEPS). Key requirements include:

  • Investor-Owned Utilities (IOUs): Must meet 12.5% of retail electricity sales through clean energy or energy efficiency measures by 2021 3.
  • Municipal Utilities & Cooperatives: Required to meet a 10% target by 2018 3.
  • Carve-Outs: Specific mandates exist for solar energy (0.20%), swine waste (0.20% by 2026), and poultry waste (900,000 MWh) 8.
  • Compliance: Utilities can meet up to 25% of requirements through energy efficiency, potentially increasing to 40% 3.

Carbon Reduction Goals and Legislation

  • 2050 Target: A legally binding goal to reach carbon neutrality by 2050 remains in effect 9.
  • 2030 Target Repeal: House Bill 951 (2021) originally mandated a 70% reduction in carbon dioxide emissions from 2005 levels by 2030. However, Senate Bill 266 (2025) repealed this mandatory interim target 7.
  • Grid Strategy: The NCUC has directed utilities, such as Duke Energy, to focus on the "least cost path" to the 2050 goal rather than modeling specifically for the repealed 2030 target 7.

Energy Mix and Resources The Carbon Plan emphasizes:

  • Renewables: Expansion of solar and offshore wind, with offshore wind targets of 2.8 GW by 2030 and 8.0 GW by 2040 3.
  • Nuclear: Plans for 600 MW of advanced nuclear power to be online by 2035 10.
  • Fossil Fuels: The strategy includes retiring coal plants by 2035 while permitting the construction of new natural gas facilities as "bridge" resources 10.
  • Efficiency: A target of 1% annual reduction in eligible electric load 10.

Consumer Protections The law includes annual cost caps set at $34 for residential, $150 for commercial, and $1,000 for industrial customers 3.

4. Utility Landscape​

North Carolina's electric utility landscape is dominated by three large investor-owned utilities (IOUs), which provide approximately 96% of the state's retail electricity 3. These entities are regulated by the North Carolina Utilities Commission (NCUC) 3.

Investor-Owned Utilities (IOUs) The primary IOUs include:

  • Duke Energy Carolinas (DEC): Headquartered in Charlotte, serving approximately 2.8 million customers across central and western North Carolina and South Carolina 3. ⚠️ Customer counts vary between sources, with one citing 2.2 million N.C. customers.
  • Duke Energy Progress (DEP): Headquartered in Raleigh, serving about 1.7 million customers primarily in eastern and central portions of the state 3.
  • Dominion Energy North Carolina (DENC): A subsidiary of Virginia-based Dominion Energy (operating as Virginia Electric and Power Company), serving customers in the northeastern part of the state 3.

Recent developments include a proposal by Duke Energy, as of August 2025, to merge DEC and DEP into a single entity to streamline operations, potentially saving customers over $1 billion through 2038 11.

Public Power and Cooperatives Beyond the IOUs, the state utilizes not-for-profit models for service:

  • Electric Cooperatives: A network of 26 locally owned cooperatives provides power to approximately 2.8 million North Carolinians, often in rural areas 3. These entities are not regulated by the NCUC but are overseen by member-elected boards 5.
  • Municipal Systems: There are 76 municipally owned electric utilities serving over 1.2 million people 3. These are owned by cities and towns and account to local citizens via elected officials or utility boards 12.

Energy Mix Approximately three-fourths of the state's electricity is generated from natural gas and nuclear power, with a growing emphasis on solar and battery storage 11.

5. SSS-Eligible Resources​

ResourceTypeCapacity (MW)SSS EligibleNotes
scaleHydro2,000✅ Yes (pre-RPS)Legacy hydro

6. EAC/REC Registry Infrastructure​

North Carolina utilizes the North Carolina Renewable Energy Tracking System (NC-RETS) as the official registry for issuing and tracking Energy Attribute Certificates (EACs), specifically Renewable Energy Certificates (RECs) and Energy Efficiency Certificates (EECs). Established by the North Carolina Utilities Commission (NCUC), the platform is primarily used to verify compliance with the state's Renewable Energy and Energy Efficiency Portfolio Standard (REPS) 13.

Core Functions NC-RETS issues one digital certificate per megawatt-hour (MWh) of renewable energy or energy savings produced by registered facilities. It serves as the compliance reporting mechanism for electric power suppliers, such as Duke Energy and Dominion, who must track and retire certificates to meet state mandates [2].

Interoperability The registry supports the import and export of RECs to facilitate regional trading. Account holders can transfer certificates from the following systems into NC-RETS:

  • WREGIS (Western Renewable Energy Generation Information System)
  • PJM-GATS (Generation Attribute Tracking System)
  • M-RETS (Midwest Renewable Energy Tracking System)
  • NAR (North American Renewables Registry)
  • ERCOT (Texas)
  • MIRECS (Michigan) 14

Registration and Reporting Entities must complete a two-step process to participate:

  1. NCUC Facility Registration: Owners must file an Application to Register with the NCUC (Rule R8-66) and pay a $250 filing fee [2].
  2. NC-RETS Account Setup: After facility approval, owners must establish an account on the NC-RETS website [2].

Facilities are required to file electronic annual certifications via NC-RETS by April 1st of each year to maintain eligibility [2]. The system's data is audited by the Public Staff of the NCUC to ensure integrity [3].

7. Grid Emissions​

Generation Mix​

Scope 2 Reporting​

  • SB 253 requires Scope 2 reporting for companies >$1B revenue

Source: EPA eGRID, EIA, state regulatory filings

References​

Sources & Last Updated​

Research Date: 2026-03-10
Data Sources: EIA, EPA eGRID, state regulatory filings, SerpAPI research aggregation

This page was generated using automated research and may contain inaccuracies. Verify critical data with primary sources.

Footnotes​

  1. Quick Electricity ↩ ↩2

  2. U.S. Energy Information Administration (EIA) (.gov) ↩ ↩2 ↩3 ↩4

  3. North Carolina Utilities Commission (.gov) ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9 ↩10 ↩11 ↩12 ↩13 ↩14 ↩15

  4. Carolina Country ↩

  5. UNC School of Law ↩ ↩2

  6. NC.gov ↩ ↩2

  7. NC Sustainable Energy Association ↩ ↩2 ↩3

  8. Database of State Incentives for Renewables & Efficiency ↩

  9. NC Governor (.gov) ↩

  10. Economic Development Partnership of North Carolina | EDPNC ↩ ↩2 ↩3

  11. Duke Energy | News Center ↩ ↩2

  12. ElectriCities ↩

  13. 2, 3 ↩

  14. 1, 2, 3 ↩