In a statement Monday, Balfour Beatty said the system worked by controlling and reducing the energy output from key appliances in cabins, such as those in kitchens, drying rooms and office spaces.
The tech, it added, had been configured to autonomously manage power demand by automatically turning appliances and equipment off when not in active use.
In terms of how construction sites are powered, Balfour Beatty said this was done through the use of diesel generators or by hooking a site up to the National Grid.
The hope is that by limiting unnecessary usage, EcoNet can lower demand on the grid or the generators, which will in turn help to cut emissions.