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Empowering the transition to agreener future

Founded upon GCube’s decades of experience in renewable energy underwriting and with expertise drawn from across Tokio Marine’s global operations, Tokio Marine GX provides a single point of access for partners and clients committed to more sustainable practices.

We offer advisory and risk transfer for businesses seeking to decarbonize their operations and unlock new green opportunities. From renewables and conventional power providers to construction and heavy industry, our teams work with businesses around the world, across multiple sectors, at every stage of their transition journey.

Financial strength

Our global reach, unique insight and financial stability will help you succeed. We have the financial strength to keep you secure with some of the best financial ratings in the industry.

We offer A++ (A. M. Best) and A+ (S&P Global) rated policies, with a capacity of up to US$500 million in property for Wind, Solar and Hydro schemes, which is more than sufficient to cover the largest renewable energy projects. This is supported by up to US$35 million in liability capacity.

A++ (Superior) by A. M. Best
A+ (Strong) by S&P Global

Products for a Green Future

Explore our full product range

Battery Energy Storage Systems (BESS)

Offshore Wind

Small Modular Reactors

Explore our full product range

Latest insights

Article

Renewable energy market faces worst start to the year for extreme weather losses in over a decade

18 May, 2026

2026 has delivered one of the most severe starts to a year...

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Article

I went to the Fusion Industry Association. Here's what the insurance market is missing.

13 April, 2026

There’s an old joke that nuclear fusion has been 30 years away for 50 years now...

Read the Article

Article

Balancing risk, backing progress

24 March, 2026

Having spent more than three decades in the renewable energy insurance market...

Read the Article

Supporting theGreen Transformation

Empowering the transition to agreener future

Financial strength

Products for a Green Future

Latest insights

Renewable energy market faces worst start to the year for extreme weather losses in over a decade

I went to the Fusion Industry Association. Here's what the insurance market is missing.

Balancing risk, backing progress