Creating a bespoke solution to help a client manage their UK Renewable Transport Fuel Certificates
Transport fuel suppliers in the UK must meet an annual obligation to provide sustainable, low carbon fuel through the Renewable Transport Fuel Obligation (RTFO) scheme. Through close communication with one of our clients, Marex identified an opportunity to provide an innovative solution to help them efficiently manage a large inventory of RTFO certificates.
As the certificates were not required by the client until later in the year, we collaborated with them to creatively structure a synthetic sale and repurchase transaction for an underlying asset. This allowed the client to monetize their existing inventory, with an obligation to repurchase the certificates at a later date.
This complex transaction was assembled within a short timeframe to effectively meet the client’s needs. The trade was made possible only through collaboration across multiple teams at Marex, led by our environmental trading and hedging solutions teams.
“The speed at which Marex were able to bring a solution to the table for us on RTFC financing was particularly impressive. We have a close working relationship with the team, which stood out for their hands-on co-ordination. This made a real difference for us in navigating the opportunity from start to finish. As our partnership continues to evolve, we are excited to explore new opportunities and expand the range of products we work on with Marex.”
Supporting geothermal electricity sales in New Zealand
Geothermal projects use heat from the earth’s core to produce renewable energy. It is particularly widespread in New Zealand, given the country’s abundant volcanic activity.
In 2025, Marex partnered with an independent generator to broker the tender process for power offtake from a new 49 MW geothermal plant in New Zealand’s Kawerau region, while also assisting with hedges across their wider generation portfolio.
The generator was seeking a well-connected partner to secure competitive sell-side hedges for the new plant, providing certainty to their board and banking relationships, enabling progress on further development.
Our New Zealand team’s extensive domestic experience, relationships and expertise positioned Marex as the favoured partner. We streamlined commercial discussions, created pricing tension through our broad client base and facilitated introductions to a wide range of interested buy-side counterparties. This resulted in deals that exceeded expectations and delivered firm, clean renewable energy to the market – a rare and highly sought-after opportunity in New Zealand.
“As an independent generator, working with Marex gives us access to a diverse range of customers so we can get deeper insights into what they really need.”
A deal that fosters net-zero renewable gas production in the U.S.
In 2025, a leading developer of industrial anaerobic digestion plants that converts organic byproducts into renewable natural gas (RNG), sought a long-term buyer for environmental attributes from its growing portfolio of RNG projects in the US.
To support this, Marex’s US environmental team leveraged its deep market knowledge and extensive connections to broker a long-term purchase agreement with the US subsidiary of one of the world’s largest independent energy commodity trading houses.
By selling these attributes, this deal supports further development of net-zero RNG. And global corporations can leverage them to meet ambitious decarbonisation goals, lowering dependence on fossil fuels and accelerating the transition to cleaner energy systems.