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Energy efficiency could deliver 40% of the emissions abatement required by the Paris Agreement climate goals

Energy provides a host of useful services, but some methods of delivering those services use more energy than others. This measure of useful output for each unit of energy input is termed energy efficiency, and efforts to systematically improve efficiency are an important aspect of energy management. Energy efficiency  is sometimes referred to as the “first fuel” since advancements in efficiency can achieve demand savings that displace energy generation that would otherwise be required. Improvements in energy efficiency can be achieved at many levels of the energy system, from generation facilities to home appliances and transport vehicles. Improved efficiency can lower energy costs without compromising the quality of energy products and services provided, and is consistently identified as one of the lowest-cost ways to reduce greenhouse gas emissions. Efficiency programmes can also maintain system reliability without needing to install, upgrade, or replace transmission and distribution equipment, and contribute to greater energy security by reducing dependence on energy imports. While economic growth will likely demand increased services provided by energy, there is clear potential to sustain growth without necessarily increasing energy consumption, through efficiency improvements that are both cost-effective and widely available.

Energy management, as it involves assessing energy use and developing programmes to increase efficiency and reduce costs, is becoming an expanded focus of increasing importance for business strategy in the changing energy system. The availability of innovative, affordable technologies – in heating, lighting, insulation, small scale power generation and smart flexibility – is opening up myriad opportunities for better managing how we use energy. Those taking on business roles that involve energy management, including energy managers as well as sustainability consultants and facilities managers, guide investments in such technologies, redesign processes, retrofit buildings and equipment, and plan energy-related systems for new projects. They also assist businesses and other organisations in complying with legal energy and carbon reporting obligations that are getting more stringent in line with increasing environmental concerns. In tackling these complex challenges, energy management professionals need to pull levers across energy supply, efficiency, generation, demand management and behaviour change. Skilled, knowledgeable energy management professionals will achieve the most effective, enduring outcomes towards a global low carbon, efficient energy system.

You can explore various aspects of efficiency in this section, including a Lighting Guide, and the latest news and articles.
You can find resources on the UK's Energy Savings Opportunities Scheme (ESOS) and associated ESOS Lead Assessor registers.
You can also contact energy efficiency professionals via the Register of Professional Energy Consultants if you have a question about improving your company’s energy efficiency.

What's new?

New York continues to move on energy efficiency, storage and solar power

25-01-2019
New York State is introducing aggressive development plans despite federal government indifference to climate change. Late last year, New York Governor Andrew Cuomo announced that the state’s Public Service Commission had approved two initiatives that will increase New York’s energy efficiency ...

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Strategies for energy efficiency

25-10-2018
Pivotal to the success of any manufacturing operation is efficiency, says Nick Boughton, who explains the importance of managing energy efficiency in a variety of sectors, including data centres, pump centres and manufacturing plants.

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London's Mayor launches £500mn business energy efficiency fund

12-07-2018
The Mayor of London has launched a new £500mn fund to boost energy efficiency in public buildings and small businesses across the city – a move he hopes will accelerate the capital’s ambition to become ‘a zero-carbon city’ by 2050. The Mayor’s Energy Efficiency Fund (MEEF), announced by the Mayor of...

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Viewpoint: Has the government fallen back in love with energy efficiency?

2-03-2018
The challenge of boosting UK productivity in a post-Brexit world has put energy efficiency firmly on the government’s radar. Notably, its Clean Growth Strategy – which aims to deliver increased economic growth and decreased carbon emissions – sets an energy efficiency improvement target for business...

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Has the government fallen back in love with energy efficiency?

1-03-2018
The challenge of boosting UK productivity in a post-Brexit world has put energy efficiency firmly on the government’s radar. Notably, its Clean Growth Strategy – which aims to deliver increased economic growth and decreased carbon emissions – sets an energy efficiency improvement target for business...

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Events and training

Energy Efficiency 2019

27-03-2019
Discover the latest technologies and innovations around saving energy, reducing carbon emissions, lowering operational costs and complying with legislation.

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Financing challenges for a transforming energy industry

5-06-2019
Attend to discuss the latest challenges and financial solutions that will manage risks and facilitate the development of the future energy mix to meet consumers’ requirements.

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Visit to the Bombay Sapphire Distillery

6-06-2019
In building a modern distillery at Laverstoke Mill every reasonable effort has been made to ensure the processes and buildings are as sustainable and efficient as possible.

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L1: Certificate in Energy Management Essentials - June 2019

17-06-2019
About: This introductory 5 day classroom course provides a comprehensive, practical overview of the fundamentals of energy management, equipping participants with all the essential knowledge and skills they need to save energy, reduce operational costs and carbon emissions, comply with legislat...

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Supply and distribution: organisation, operations and economics - September 2019

2-09-2019
This 3-day training course is designed for those who are or will be operating in the Supply & Distribution functions and will provide the background knowledge to allow them to take the right decisions on how to supply the network at the right cost. 

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Technical guidance publications

Financial investment in energy efficiency

2008
Taken from Croner's Energy Management loose-leaf manual, this 30-page module identifies a number of accountancy techniques to help energy managers quantify potential savings by investing in energy efficiency. It outlines the basic principals of investment appraisal, explains the barriers to investin...

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Refurbishment for Improved Energy Efficiency: An Overview (CIBSE Knowledge Series)

2007
Aims to provide a concise overview of building services refurbishment with a focus on improving energy efficiency. This is a joint CIBSE and BSRIA publication that will provide guidance to building services engineers who are tasked with upgrading existing services. It will help building occupiers an...

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CIBSE Guide F: Energy efficiency in buildings

2004
Seeks to inform a very diverse audience and aims to be pertinent to many groups involved in buildings besides building services engineers, including building developers/financiers, specifiers, architects, surveyors, letting agents, energy managers and consultants and building owners/operators. Guide...

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