About ESI

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Confident leadership for complex energy programmes

ESI provides independent delivery leadership for complex energy programmes and systems integration across the UK energy sector. We work with energy networks and suppliers to support the delivery of high-visibility, multi-supplier programmes where outcomes matter and scrutiny is real.

Delivering change in the energy sector is complex. Energy programmes and systems integration span networks, markets, technology platforms, suppliers, regulators, and industry bodies, and the consequences of failure are visible, costly, and reputationally damaging.

We support organisations where delivery matters most – when programmes are under pressure, require stabilising or resetting, or need experienced leadership to ensure successful delivery and build confidence with regulators, industry bodies, and senior stakeholders.

How we work

We provide delivery leadership and managed delivery support for complex energy programmes. Our role is to bring clarity, structure, and accountability to challenging delivery environments, working alongside client teams and third-party suppliers to ensure programmes are governed, integrated, and led effectively.

Alongside active delivery support, we help organisations strengthen their ability to deliver change over time – maturing delivery capability, governance, and ways of working so future programmes are delivered more effectively.

We are independent and vendor-agnostic, enabling us to act in the best interests of our clients and their programmes.

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Our team

ESI brings experienced delivery leadership to complex energy programmes. Our teams are built around senior practitioners with deep experience across energy networks, supply, and regulated delivery environments.

We tailor delivery teams to fit the needs of each programme, ensuring the right experience and capability is in place to support successful delivery in complex, multi-supplier environments. This approach allows us to provide focused, credible delivery leadership while retaining clear accountability for quality and outcomes.

Who we work with

Based in the Midlands, we operate on a UK-wide basis, supporting clients across the energy sector regardless of location. Our work is typically delivered on client sites and through hybrid working, depending on programme needs.

We work primarily with energy networks, suppliers, and regulated energy organisations delivering complex, high-visibility change programmes.

Our Services

Energy Programme Delivery & Systems Integration Services

We provide delivery-led support for complex energy programmes, with services focused on programme leadership, systems integration, programme recovery, regulatory confidence, and delivery capability maturity.

Complex Energy Programme Delivery

Senior delivery leadership and hands-on support for large, multi-supplier energy programmes across energy networks and supply.

Energy Systems Integration

Independent coordination of multiple vendors, platforms, networks, and delivery partners to support end-to-end delivery.

Programme Recovery & Reset

Stabilising programmes that are underperforming, under scrutiny, or require renewed structure and direction.

Regulatory & Stakeholder Confidence

Supporting organisations to build and maintain confidence with regulators, industry bodies, and key external stakeholders through effective governance and delivery assurance.

Delivery Capability & Operating Model Maturity

Helping organisations strengthen delivery capability, governance, processes, and ways of working to improve long-term delivery performance.

Interim Programme Leadership

Providing Programme Director-level leadership for critical energy initiatives on an interim basis.

Talk to us about your complex energy programme

What makes us different

Interested in finding out how ESI can support your complex energy programme?

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