As part of this commitment, around 1.91 million measures were installed in around 1.53 million properties through ECO, Cashback, GD Plans and the Green Deal Home Improvement Fund to the end of April 2016. The large majority of installed measures (96 per cent) were delivered through ECO. The provisional estimated lifetime carbon savings of measures installed by the end of March 2016, under ECO (excluding Affordable Warmth), Cashback, GDHIF and GD was between 25.4 — 26.9 MtCO2 with provisional estimated lifetime energy savings between 103,000 — 109,400 Gwh.