Renewables
Solar-assisted CO₂ heat pump achieves 18.7% COP increase as irradiance rises
CEII brief
pv magazine reported on 22 Oct 2026: Solar-assisted CO₂ heat pump achieves 18.7% COP increase as irradiance rises.
Read the full story on pv magazineResearchers in Italy have tested a 10 kW dual-source heat pump using CO₂ as a refrigerant and air or photovoltaic-thermal collectors as heat sources.
Context from CEII
Renewables are the fastest-growing part of the world’s energy system. The COP28 goal is to triple capacity by 2030, and solar mini-grids are the fastest route to power for millions of people without electricity.
41.0% of electricity in Italy was renewable in 2021Countries in this story
Original reporting © pv magazine. Headline and excerpt quoted with attribution; the full article is available on the publisher’s site. CEII’s context is the Centre’s own and does not represent the publisher.
