Galp's 270,000-tonne-per-year renewable fuels facility at the Sines refinery is targeted to begin commercial production in mid-2026, the company has reiterated — positioning Portugal as one of the largest single sources of advanced biodiesel and sustainable aviation fuel (SAF) on the Iberian Peninsula. The plant is built as a 75/25 joint venture between Galp and Japan's Mitsui, and is part of an integrated €650 million investment that also includes a 100 MW grid-connected electrolyser for green hydrogen production at the same site.
The project is anchored by significant European public capital. The European Investment Bank (EIB) has committed €430 million to Galp's renewable hydrogen and biofuels projects in Sines, framing the unit as a flagship for the EU's effort to decarbonise hard-to-abate transport segments — aviation and heavy road freight in particular. The HVO (hydrogenated vegetable oil) plant will process waste and residue feedstocks — primarily used cooking oils and animal fats — into renewable diesel and SAF, using green hydrogen produced on-site as a key processing input.
Why Nordic airlines should be paying attention. SAS, Finnair and Norwegian Air are all running formally committed SAF programmes, with Finnair in particular having pivoted its entire climate strategy from carbon offsetting toward direct SAF investment over the past two years. The European Union's ReFuelEU Aviation regulation requires aviation fuel suppliers to ensure that at least 2% of fuel supplied at EU airports is SAF in 2026, rising to 6% in 2030 and 70% by 2050. The Nordic carriers, which fly disproportionately into and out of EU hubs, will be among the early buyers in volume — and Iberia, with abundant renewable electricity and now actual SAF capacity, becomes a natural source of supply.
The Iberian context. Portugal generated 78.5% of mainland electricity from renewables in Q1 2026, and Iberian wholesale power prices were the lowest in Europe at €41.90/MWh (Portugal) and €44.18/MWh (Spain) over the same quarter. Cheap renewable electrons are the largest variable cost in green hydrogen production — and green hydrogen, in turn, is the largest variable cost in advanced biofuels. The Sines complex effectively monetises Portuguese renewable build-out by exporting the molecules to higher-priced demand centres, with Northern European aviation hubs at the top of the queue.
What 270,000 tonnes actually buys. The Galp plant's full nameplate capacity of renewable fuels — even at a conservative SAF share of, say, one-third — would represent roughly 90,000 tonnes of sustainable aviation fuel per year. By way of context, that is enough to cover the full ReFuelEU 2026 mandate at a major Nordic hub like Stockholm Arlanda, Copenhagen Kastrup or Helsinki-Vantaa for a year, with margin to spare. The other two-thirds, as renewable diesel, will go into European road freight where the equivalent regulatory pull-through — Renewable Energy Directive III — is also tightening.
Why Galp matters in the corridor story. Sines is rapidly becoming the dominant Iberian green-molecules cluster: alongside Galp's renewable fuels and electrolyser units, the site hosts MadoquaPower2X's 500 MW alkaline electrolyser project (with Copenhagen Infrastructure Partners as the cornerstone Danish investor), Stegra's land allocation for a future green-iron site, and the Start Campus AI-grade data centre campus. Each of those facilities is a potential offtake or supply node for Galp's renewable fuels and hydrogen output. Together they create the kind of self-reinforcing industrial-zone economics that the Nordics built around Boden, Mongstad and Hamina in earlier industrial cycles.
Execution risk remains real. Galp's renewable fuels start-up has slipped before, and 2026 has been a stated target for several years. Nordic offtake will depend on physical SAF arriving at the right airport at the right price, with the right book-and-claim documentation accepted by the Nordic civil aviation authorities. Nordic airlines have signed multi-year SAF agreements with Neste and other established suppliers; for Galp to win share, it will need to demonstrate quality, traceability and competitive long-term pricing. The first commercial volumes — and the first announced offtake to a named Nordic carrier — are the milestones to watch in the second half of 2026.
For now, Sines moves another step closer to being not just a Portuguese decarbonisation play, but a structural Iberian supply node for a Nordic decarbonisation problem. That is the bi-directional corridor at work: Portuguese renewable resources flowing north as molecules, Nordic capital and customers flowing south as offtake commitments and project equity.