Results are measured through monthly energy bills. Each month’s consumption is compared with that month the previous year.Last year saw a staff increase of 35% in our London office. Despite this, total energy consumption over the quarter decreased 9%, almost double our 5% goal, with a peak reduction of 12% in January.Masters students of tech anthropology examined workplace behaviour and interviewed a representative section of staff. The majority of respondents were conscious of turning more lights and appliances off, in the workplace and at home, indicating sustained behaviour change.