About us

At National Grid, we’re powering the UK’s journey to net zero. As the backbone of the electricity transmission network, we’re investing billions to modernise infrastructure, connect renewable generation, and deliver a cleaner, more resilient system for generations to come. From cutting-edge technology to strategic investment decisions, we’re enabling the energy transition and supporting economic growth across the UK.

Join us and you’ll be part of a team that thrives on innovation and collaboration. Your work will influence projects that matter, projects that keep homes powered, businesses running, and renewable energy flowing. At National Grid, you’ll help create a sustainable future while making a tangible difference to millions of people every day.

Join National Grid as a Portfolio Analyst and help shape the future of energy by providing critical insights that drive investment decisions.

Job Purpose

As a Portfolio Analyst, you’ll provide the insights that shape how National Grid invests in its electricity transmission network. You’ll support portfolio governance and reporting by analysing data, tracking performance, and enabling informed decision-making across multi-billion-pound capital programmes.

In this role, you’ll help ensure investment plans deliver maximum value and meet regulatory commitments. Your analysis will influence national and regional decisions on substation upgrades, overhead line reinforcements, and cable installations, projects that strengthen the network and enable the UK’s energy transition.

What You'll Do

• Analyse portfolio data to identify trends, risks, and opportunities.
• Produce reports and dashboards for senior stakeholders.
• Support governance processes and regulatory submissions.
• Collaborate with engineers, finance teams, and project managers.
• Maintain accurate portfolio data and produce clear performance reports and dashboards.
• Analyse deliverability, costs, and risks to support investment decisions and change control.
• Prepare inputs for regulatory submissions and track KPIs against milestones.
• Collaborate with PMOs, delivery teams, and stakeholders to share updates and gather insights.
• Identify opportunities for process improvement and support capability development within the portfolio function.

About You

As a Portfolio Analyst, you’ll combine strong analytical capability with excellent communication skills to deliver clear, actionable insights. You’ll have a keen eye for detail and a problem-solving mindset, enabling you to interpret complex data and identify trends that support strategic decision-making. Your ability to engage stakeholders effectively and present findings in a clear, concise manner will be key to influencing outcomes. Technically, you’ll bring proficiency in portfolio management principles and governance processes, alongside experience with data analysis tools and financial modelling techniques. Familiarity with regulatory frameworks and reporting requirements will ensure your work aligns with business priorities and compliance standards.

What You'll Get

Competitive salary: £54,000 - £68,000

Annual performance bonus and contributory pension scheme (company double match up to 12%).

Flexible benefits including share plans, salary sacrifice schemes, and employee assistance support.

More Information

This role closes at midnight on 20th January 2026; however, we encourage candidates to submit their application as early as possible and not wait until the published closing date as this can vary.

National Grid Electricity Transmission (NGET) is at the heart of energy in the UK. The electricity we provide gets the nation to work, powers schools and brings energy to life. Our energy network connects the nation, so it’s essential that it’s continually evolving, advancing and improving.

In NGET we are passionate about both operating our network safely and providing highly reliable quality of supply for our customers. At the heart of achieving these outcomes is the effective control and operation of our network.

To find out more about us, please follow the link below:

https://www.nationalgrid.com/electricity-transmission/

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DE & I statement

At National Grid, we work towards the highest standards in everything we do, including how we support, value and develop our people. Our aim is to encourage and support employees to thrive and be the best they can be. We celebrate the difference people can bring into our organisation, and welcome and encourage applicants with diverse experiences and backgrounds, and offer flexible and tailored support, at home and in