Science Museum, London

Energy audit for the world famous institute housing important scientific artefacts in a series of buildings constructed from 1926 to 2003.

The Science Museum
Science Museum, Exhibition Road, London, United Kingdom

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Greengage undertook an energy audit of the Science Museum buildings and produced a metering strategy for the measurement of energy. The driver for our involvement was the Science Museum calculating that their annual energy bill was around £1million.

The project began with a detailed energy audit following the CIBSE Technical Memorandum 22: ‘Energy assessment and reporting methodology’. This involved the systematic gathering of energy data, a structured means of reporting results and an estimation of energy savings that could be obtained through changes in use, technology or management.

A major finding from this study was the lack of reliable energy data available for analysis. This lack of data not only made solid conclusions difficult but was also a major problem for the building manager, who could not quantify energy savings where changes in use, technology or management were made.

Following from this we were instructed to produce an energy metering strategy following the CIBSE Technical Memorandum 39: ‘Building energy metering’. This involved the gathering of data about the building’s energy systems and existing meters. Armed with this data we were then able to identify where new meters should be installed within a metering hierarchy to give the maximum useful benefit to the Building Manager.

Greengage estimated that though the installation costs would amount to around £150,000, the savings that could be recouped by the Science Museum were likely to be between £50-100,000 per year. Thus giving a payback period of between 1.5-3 years and saving between 240-480 tonnes of carbon dioxide annually emitted to atmosphere.

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