The green energy pioneers of the corporate world are setting a scorching pace as they race towards an all-renewable future, but nobody wants their club to stay an exclusive one.

The latest data from the fast-growing ranks of the RE100, the group of corporates committed to 100% renewable power for their operations, shows the initiative’s combined membership delivered a year-on-year growth of more than 40% in the amount of green electricity they sourced, and 37 of its 155 members are now getting 95% of their power from renewables.