ISSN 2753-7757 (Online)

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Energy consumption

Radiator shaped as a house against blue wall

8/3/2023 News

Need to heat buildings down by a fifth since 1979

The need to heat a given building has decreased considerably in the European Union (EU) over the past four decades, according to new analysis from Eurostat, with the heating degree days (HDD) value falling by 19% between 1979 (3,510 degree days) and 2022 (2,858). In other words, only 81% of the heating needs were required in 2022 compared with 1979.

Heat

Close up of air-to-heat pump on outside wall of building

22/3/2023 News

Heat pumps are three times more efficient than gas boilers, claims new study

Real world monitoring has shown that air source heat pumps (ASHPs) can operate with high efficiencies, even in cold weather conditions, according to recently published results.

Energy prices

Head and shoulders photo of Ian Gadsby, Managing Director, Ylem Energy

10/5/2023 Comment / Ian Gadsby

As wholesale energy costs come down, are businesses finally out of the woods?

Third-party energy costs are at their highest point ever for UK businesses, and inflation and volatility in the fossil fuels market make it likely they will increase further. Here, Ian Gadsby, Managing Director of Ylem Energy, discusses how onsite generation and storage can alleviate this pressing issue.

Measurement, testing and control

Head and shoulders photo of Laura Fowler

16/10/2024 Comment / Laura Fowler

Shining a Spotlight on Energy People: Laura Fowler MEI PMVA

Measurement and validation specialist Laura Fowler explains how her career has benefitted from Energy Institute training, events and information to keep current as she works in energy surveying and energy management.

Heating, Ventilation and Air Conditioning

Head and shoulders photo of Donatas Karčiauskas, CEO, Exergio

9/7/2025 Comment / Donatas Karčiauskas

Air conditioning is booming – but many are managing it like it’s 1995

There is much concern about the climate impact of the growing use of air conditioning around the world. One step in the right direction would be the adoption of intelligent controls, argues Donatas Karčiauskas, CEO of Exergio, which develops AI-based tools for energy optimisation in commercial buildings.

Energy markets

Computer generated image of a row of air conditioning units with large circular fans at front and vents on side, on a roof top, with skyscrapers in the background set against a sunny sky

EI Member only

14/4/2026 Feature / Andrew Mourant

What might the energy system of 2100 look like?

After the launch of the first Statistical Review of World Energy 75 years ago, the world is 74 years away from the end of the century. That it is in a state of perpetual flux, hasn’t inhibited speculation about what the future holds. And while there is much that is wildly unpredictable – not least the behaviour of world leaders – there are fundamentals on which most agree and which seem certain to shape the next six decades, reports Andrew Mourant.

Carbon management in buildings

Skyscraper buildings in New York City with autumnal trees of Central Park in foreground

EI Member only

5/4/2023 Feature / Panama Bartholomy

US has become a global leader in movement to decarbonise buildings

Never forget the energy demand side of the equation. While much of the attention given to the new US Inflation Reduction Act is concentrated on its efforts to change the energy supply side, the US is also active in reducing carbon emissions from buildings, as Panama Bartholomy, Executive Director of the Building Decarbonization Coalition (BDC), writes.*

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