Norway, March 30 -- Hydro Energi AS has signed a long-term power purchase agreement (PPA) with Swiss energy provider Alpiq, securing an annual supply of 219 GWh in the period from 2031 to 2038.The contract will be delivered in Norwegian electricity price area NO3 and will provide an aggregated supply of 1.75 TWh during the contract period.Based on renewable energy, Hydro can produce aluminium in Norway with a carbon footprint about 75 percent less than the global average. Renewable energy is also key for Hydro to continue to modernize aluminium production and succeed with its technology roadmap towards zero emissions by 2050.Hydro is pursuing multiple sourcing options to meet future renewable power needs, combining long-term contracts with ...