Update the count of total individual workstations and those with controls. If the controls do not add to be 50% of total workstations then investigate the potential to add more controls or change the layout to make them more accessible to windows.
This credit requires only a few minutes to make phone calls, provide the size of the project and energy consumption, and get estimates. It is well worth the time and effort to determine the likely cost.
Some projects choose to attempt this credit at the last minute and keep it as a “back-pocket” credit. For example, you may decide to go for this credit only if it helps you reach another level of LEED certification. A contract can be arranged at the last minute, and can even be submitted after the first construction review.
Call several green power providers to get a preliminary estimate of the cost to buy green power for 35% of the assumed, actual or default electricity consumption.