Often per MWh of fuel (wood chips have traded below EU gas for most of 2022–2026), but the full comparison includes boiler conversion capex, storage/handling, availability and the CO2 accounting (biogenic CO2 counts as zero in the ETS if sustainability criteria are met). The table on this page shows the indicative ranges with all caveats labelled.
From our guide: Alternative Fuels for Industrial Heat — full context, charts and sources there.
