Any measure taken in the reporting year that reduces energy use: insulation of bare hot surfaces, steam-trap repairs, LED retrofits, VSDs, heat recovery. Guidance asks for a description of principal measures — companies that write 'none' invite questions from investors and, increasingly, lenders.
From our guide: SECR Explained 2026 — full context, charts and sources there.
Boilers, kilns, heat exchangers, valves and steam lines lose energy continuously. Inzonex makes patented (UK GB2508992.1) removable modular insulation — snap-fastened covers engineered per temperature tier, not generic off-the-shelf jackets: