Gekkō Advisory Services Ltd

Bridging Japanese Innovation and UK Energy Transition for Data Centres

We envision the growth of artificial intelligence and digital infrastructure in the UK to be powered by secure, flexible, and low-carbon energy systems, helping operators overcome the industry’s greatest challenge — limited grid capacity — while accelerating their journey to net zero.

By partnering with leaders across AI and energy, we’re helping ensure the AI revolution unfolds sustainably, from silicon to supply chain.

Explore our service offering
Secure Dedicated, firm and dispatchable power designed for reliability.
Flexible Hybrid systems ready for staged decarbonisation and future fuels.
Low-carbon A practical pathway from conventional gas to hydrogen-compatible solutions.

Vision and mission

Reliable, low-carbon energy is becoming mission-critical infrastructure for the UK’s rapidly growing data centre sector. Gekkō Advisory Services Ltd connects Japanese clean-energy technology, capital, and engineering expertise with UK digital infrastructure needs.

Our vision

We see the UK’s AI and digital infrastructure growth being powered by secure, flexible, and low-carbon energy systems that reduce dependence on constrained grid capacity and support a faster path to net zero.

Our mission

Our mission is to deliver reliable, low-carbon energy to power the UK’s rapidly growing data centre sector by bridging Japan’s world-leading clean-energy technologies with the UK’s expanding digital infrastructure.

Supported by Japanese investment and engineering expertise, we enable the transition from conventional natural gas to low-carbon gases without compromising reliability or performance.

Our service offering

We help data centre operators unlock growth, build resilient energy systems, and create a staged pathway to decarbonisation.

Develop

Secure, flexible, low-carbon energy infrastructure for AI growth

We design and deliver dedicated, firm and dispatchable power solutions that bypass grid constraints and unlock rapid data centre expansion.

Through direct gas connections engineered for reliability and safety, we help operators overcome complex permitting, stringent regulatory requirements, and the technical demands of building high-availability energy systems.

Our approach ensures scalable, site-specific power capacity in the UK’s fastest-growing AI regions.

Integrate

Hybrid power systems enabling a staged transition to net zero

We deploy hybrid low-carbon power systems capable of operating on natural gas today while being fully compatible with hydrogen tomorrow.

This creates a commercially viable, stepwise decarbonisation pathway that maintains uninterrupted power for mission-critical AI workloads.

By integrating advanced Japanese clean-energy technologies with UK digital infrastructure, we ensure future-ready performance without compromising operational resilience.

Operate

End-to-end low-carbon gas supply and energy management

We extend beyond onsite infrastructure into the sourcing, compression, logistics, and delivery of low-carbon gases, building vertically integrated supply chains informed by Japan’s global leadership in hydrogen transport and engineering.

Our operational model provides operators with a secure, scalable, and decarbonised energy supply, ensuring sustained reliability while accelerating the transition to net zero across the entire AI ecosystem.

Why this matters

Gekkō sits at the intersection of three urgent market realities: Japanese clean-energy leadership, rapidly growing data centre demand, and the need for practical low-carbon fuels.

Why Japan

Japan is a global leader in low-carbon gas and power technologies, including hydrogen-ready turbines, e-methane systems, and advanced gas infrastructure.

Japanese firms and government initiatives, such as the Green Transformation (GX) strategy, provide access to proven technology and long-term capital. This collaboration aligns both countries’ net-zero ambitions and enables Japanese engineering excellence and innovation to be deployed in the UK market.

Why data centres

Data centres are among the UK’s fastest-growing electricity consumers, driven by AI, cloud computing, and digital services. They require uninterrupted, high-quality power and are under increasing ESG and regulatory pressure to decarbonise.

Our solutions provide reliable, low-carbon energy that supports growth, ensures resilience, and enables operators to meet net-zero commitments.

Why gas

Gas addresses the power bottleneck by providing reliable, dispatchable energy, enabling new data centre capacity to come online without waiting for major grid reinforcements.

By using the existing UK gas grid, we enable rapid deployment with lower cost and risk. Conventional gas serves as a bridge to low-carbon fuels, allowing a staged transition to hydrogen, biomethane, and e-methane.

Our approach leverages blended fuels and hybrid systems to integrate safely with infrastructure while balancing immediate energy security, commercial viability, and a clear pathway to net zero.

Low-carbon gases

A practical route to decarbonised, on-demand energy for the UK’s AI and digital infrastructure.

  • Blended hydrogen, biomethane, and e-methane offer a practical route to decarbonised, on-demand energy.
  • These fuels provide flexible, scalable power while complementing intermittent renewable generation.
  • By leveraging Japanese expertise, our deployments are technically mature, commercially viable, and aligned with UK decarbonisation targets.
  • This staged approach ensures that the transition from conventional gas to low-carbon fuels is safe, efficient, and economically sustainable.

Leadership team

Senior expertise across hydrogen energy, technology, engineering, and strategic delivery.

Rosamund (Rosie) Slater

Managing Partner (Hydrogen Energy)

LinkedIn profile

Dr Indranil Nath, CEng, FBCS, FIoD

Managing Partner (Technology)

LinkedIn profile