The main objective of H2PlasmaRed is to develop hydrogen plasma smelting reduction (HPSR) technology for the reduction of iron ores and steelmaking sidestreams to meet the targets of the European Green Deal for reducing CO2 emissions and supporting the circular economy in the steel industry across Europe. Our ambition is to introduce a near CO2-free reduction process to support the goal of the Paris Agreement - a 90% reduction in the carbon intensity of steel production by 2050. To achieve this, H2PlasmaRed will develop HPSR from TRL5 to TRL7 by demonstrating the HPSR in a pilot-HPSR reactor (hundred-kilogram-scale) that is an integrated part of a steel plant, and in a pilot-scale DC electric arc furnace (5-ton scale) by retrofitting the existing furnace. The project's end goal is to establish a way to upscale the process from pilot-scale into industrial practice. To support this goal, the novel sensors and models developed and implemented in the project are used for HPSR process optimization from a reduction, resource, and energy efficiency standpoint.