Company Overview

National Grid plc is a leading international utility company engaged in the transmission and distribution of electricity and gas. It plays a crucial role in maintaining and upgrading energy infrastructure across the United Kingdom and the northeastern United States. The company owns and operates the electricity transmission network in England and Wales, and provides essential electricity and gas services in the northeastern United States. As of September 2025, National Grid boasts a market capitalization of £51.72 billion, positioning it as a significant entity in the global energy sector.

Business Operations and Segments

National Grid's operations are structured across five primary segments, ensuring comprehensive coverage of essential energy services:

- UK Electricity Transmission: Responsible for the high-voltage electricity transmission networks across England and Wales, ensuring the safe and reliable delivery of power.

- UK Electricity Distribution: Manages and operates electricity distribution networks serving customers in the east and west Midlands, Southwest of England, and South Wales.

- New England (US Operations): Provides electricity and gas supply and distribution services, along with high-voltage electricity transmission services, to customers in the New England region of the United States.

- New York (US Operations): Delivers electricity and gas distribution services, as well as electricity transmission services, to the state of New York.

- National Grid Ventures: This segment focuses on a range of strategic initiatives including transmission services via electricity interconnectors, LNG importation facilities (like the Isle of Grain), regulated transmission and electricity generation assets in the US, metering services, merchant transmission lines in the UK, and the Grain (UK) liquefied natural gas facility.

Financial Performance and Market Position

National Grid has demonstrated a considerable financial footprint, though recent performance shows a revenue dip alongside significant earnings growth. The company is actively managing its capital structure to support extensive investment programs.

Key Financial Metrics

- Revenue (2024): £18.38 billion (a decrease of 7.42% from £19.85 billion in the previous year)

- Earnings (2024): £2.90 billion (an increase of 26.72%)

- Interim Dividend (H1 FY25): 15.84p per ordinary share approved.

- Market Capitalization: £51.72 billion (as of September 2025)

Recent Strategic Developments

In fiscal year 2023, the company divested the majority of its UK gas transmission business. The proceeds were instrumental in funding the acquisition of PPL's UK power distribution assets. During H1 FY25, National Grid successfully raised approximately £1.8 billion in new long-term senior debt. This capital was raised to refinance maturing debt obligations and to finance its ongoing capital investment program.

Major Investment Plans

Five-Year Capital Investment Programme

National Grid has mapped out a substantial financial outlook for the period 2024/25 to 2028/29, projecting a total cumulative capital investment of around £60 billion. A significant portion of this, up to £35 billion, is earmarked for its UK transmission business over the five years leading up to March 2031.

US Infrastructure Projects

In March 2024, National Grid announced ambitious plans to invest over $4 billion in transmission network infrastructure within New York. This initiative, termed the 'Upstate Upgrade', represents the largest investment in New York's electricity transmission network in over a century. These projects are anticipated to create more than 1,700 new jobs and will contribute to building a modernized, stronger, and cleaner energy network.

Growth Prospects and Strategic Focus

Asset Growth and Earnings Outlook

The company anticipates robust growth, projecting a compound annual growth rate (CAGR) of approximately 10% for Group asset growth, supported by a strong balance sheet. Underlying earnings per share (EPS) are expected to grow at a CAGR of 6-8% from a 2024/25 baseline through to 2028/29. For FY25, National Grid forecasts strong operational performance, with an anticipated year-on-year operating profit growth of around 10%.

Regulatory Environment

The UK's energy regulator, Ofgem, has established an initial cost of equity range of 4.57-6.35% for the RIIO-T3 price control period. The final determination for this period is expected by the end of 2025.

Operational Metrics

National Grid employs approximately 31,645 people across its global operations. In the Northeastern United States, it serves a significant customer base for both electricity and gas across three states. The company maintains a strong, overall investment-grade credit rating and operates with a robust balance sheet, underpinning its financial stability and capacity for large-scale investments.

National Grid continues to be an indispensable player in both UK and US energy infrastructure. Its strategic focus remains firmly on grid modernization, supporting the global transition towards cleaner energy networks, while simultaneously ensuring strong financial performance and delivering consistent dividend payments to its shareholders.