Neste to invest over EUR 400 million in Porvoo refinery maintenance turnaround

Neste Corporation, Press Release, 30 June 2026 at 10:00 a.m. (EET) Photo from the Porvoo maintenance turnaround in 2024. Photo: Neste, Joonatan LeinoNeste will conduct an approximately nine-week maintenance turnaround at its Porvoo refinery between August and October 2026. Fuel deliveries to customers will continue throughout the maintenance turnaround. The refinery turnaround will ensure the plant’s safety, availability, and competitiveness. The turnaround will focus on tasks that require a refinery shutdown, including statutory inspections, routine maintenance, and