Question to the HM Treasury:

To ask the Chancellor of the Exchequer, pursuant to the Answer of 14 November to Question 82251 on Treasury: Offices, how many units of electricity were used in the Unity Square building for (a) lighting, (b) mechanical and (c) small power in each month from April to September 2022; and what the price paid per unit was in each of those months.

HMRC’s Unity Square building has 110 square metres of photovoltaic panels providing solar generated energy.

Details of the average and peak numbers of HMRC staff working in Unity Square for each day in October is set out in the table below.

The table does not include where civil servants from other Government departments who were also working in the building throughout October, together with a number of HMRC contractors, including cleaning and security staff.

Figures are provided for both HMRC’s standard operating hours (7am to 8pm) and for normal office hours (9am to 5pm).

Unity Square is heated by gas fired boilers and electric chillers are used for cooling the building.

HMRC does not hold data on the split of electricity consumption between lighting, mechanical and small power elements.

The overall electricity consumption for the building and price paid per unit between April and September 2022 is set out in the table below:

The average energy consumption per hour at Unity Square during October 2022 is set out in the table below: