Energy Audits - Buildings:

Sydney Opera House: A detailed energy audit which included electrical load surveys, (demand tariff and process heating tariff), gas usage and water usage. Aspects studied, measured and reported upon throughout the complex included electrical demand, electrical demand management, tariff options, lighting, lighting controls, air-conditioning systems including fan coil units and existing computerised building management system, hot water system (including existing heat recovery system) - energy and water consumption, motor drives (flat belt technology), pumps, kitchen equipment, and identification of energy cost reduction projects with accompanying financial analyses. Study included on-site measurements of conditions and on-site field testing of equipment.

Sydney Opera House
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Dept. Of Defence Building, Pyrmont NSW: A detailed energy audit of building. Energy types used - electricity, natural gas. Load survey, tariff analysis, tariff options (for existing and reduced electricity usage), power factor correction, demand management, air-conditioning system operation/optimisation and management, building management systems operation, cost reduction projects within these topics including computerised control systems, Final report including summary and cost benefit analysis of projects to reduce energy costs, graphical presentation of historical energy consumption patterns and detailed recommendations on achievable consumption levels and management of energy use. Implementation of recommended projects, with calling tenders, and managing  the construction supervision.

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Prudential Assurance, Aetna Building, Sydney NSW: A detailed energy audit of building. Energy types used - electricity, natural gas, oil. Load survey, tariff analysis, tariff options (for existing and reduced electricity usage), power factor correction, demand management, air-conditioning system operation/optimisation and management, building management systems operation, cost reduction projects within these topics including computerised control systems, Final report including summary and cost benefit analysis of projects to reduce energy costs, graphical presentation of historical energy consumption patterns and detailed recommendations on achievable consumption levels and management of energy use.

AETNA Building to left
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UBS Warburg - Sydney (Governor Macquarie Tower) and Melbourne (Stock Exchange Building):
Detailed energy audits with recommendations for improved energy efficiency in preparation for ISO14001 accreditation.  Energy audits included an electricity usage analysis, performance indicators, lighting, power use, computers and building owners' approach to operations to ensure minimal energy use and greenhouse gas emissions. This project was taken as part of a consulting team headed by Molino Stewart Pty. Ltd.  A link to their web site may be found on the Clients page.

Typical Offices in Energy Audit


Governor Macquarie Tower (right)

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Energy Studies of other office buildings for Department of Motor Transport, Department of Main Roads, Art Gallery, and Mitchell Library with identification of economic projects to reduce energy costs, i.e. fuel substitution, computer control systems.


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