EIR - Active cooling [Aug 2026]

Key information

Request reference number: MGLA270726-4662

Date of response: Thursday 20 August 2026

Summary of request

I understand that my request exceeds the cost limit. Per your suggestion, please limit my request to 2025 only. For convenience I have reproduced my modified request below: This is a freedom of information request regarding the use of active cooling at the City Hall building at the Royal Docks. I understand that an air cooled chiller and heat pump system are installed in the building.

Please provide me with the following information:

The total recorded operating hours in 2025 for:

The air cooled chiller
The heat pump system in cooling mode

The total electricity consumed in 2025 by:

The air cooled chiller
The heat pump system in cooling mode

Expenditure on servicing, maintaining and repairing the air cooled chiller and heat pump system in 2025.

Our response

The GLA holds the information within scope of your request as follows:

1. The total recorded operating hours in 2025 for:	Total	Notes
The air cooled chiller	6,658.80	Hours also in use during winter to support IT comms rooms
The heat pump system in cooling mode	8,064	x 2 heat pumps 4032 each
2. The total electricity consumed in 2025 by:
The air cooled chiller	610,959 kwh	Total KWH is recorded for combined systems
The heat pump system in cooling mode	610,959 kwh	Total KWH is recorded for combined systems
3. Expenditure on servicing, maintaining and repairing the air cooled chiller and heat pump system in 2025.	£35,000	(Emergency repairs and restoration end of 2025 & Maintenance)

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