Energy efficiency

18 September 2018

World’s largest 2 MW scalable tidal turbine developed

Plans for the the largest tidal power turbines in the world have been unveiled by the UK’s SIMEC Atlantis Energy. The UK company’s ‘next generation’ single axis rotor turbine would be capable of accommodating rotor diameters of between 20-24 metres, depending on the site, while only reducing rotor speed by less than one metre per […]

11 September 2018

Massive solar and wind farms could make the Sahara green again

Switching from fossil fuels to renewable energy in the Sahara region make their immediate surroundings both warmer and rainier, and could turn parts of the Sahara green for the first time in at least 4,500 years. The scientists behind the research published in Science by Yan Li and colleagues. looked at the maximum amount of solar and wind […]

5 September 2018

EU to reduce import cost of Chinese solar panels

To help Europe achieve its renewable energy goals, the EU has decided to eliminate anti-dumping tariffs on Chinese solar panels. As a result, the EU anti-dumping and anti-subsidy measures will expire on 3 September after being in place for five years. The EU executive decided to impose the trade defense measures in 2013, accusing Beijing […]

24 August 2018

19 global cities commit to make new buildings “Net-Zero Carbon” by 2030

19 city mayors, representing 130 million urban citizens, committed to significantly cut greenhouse gas emissions from their cities by ensuring that new buildings operate at net zero carbon by 2030. The mayors of Copenhagen, Johannesburg, London, Los Angeles, Montreal, New York City, Newburyport, Paris, Portland, San Francisco, San Jose, Santa Monica, Stockholm, Sydney, Tokyo, Toronto, […]

21 August 2018

Rise in carbon prices to accelerate move away from coal

EU carbon prices could average €35-40 per tonne over 2019-2023, accelerating the switch from coal to gas and questioning the rationale for keeping old coal and lignite power plants running beyond 2021, said a new report by Carbon Tracker. According to the report, carbon prices are on course to reach €25 by the end of […]

14 August 2018

Wind and solar capacity smashes 1,000 gigawatt barrier

The world has now installed more than 1,000 gigawatts (GW) of wind and solar power, according to Bloomberg New Energy Finance (BNEF). As of June 2018, analysis shows there is now 1,013GW of wind and solar PV, evenly balanced between the two: 54 percent wind and 46 percent solar. The milestone is the latest sign […]

10 August 2018

Organic solar cells achieve commercial output

Chinese researchers have taken what they say is a major step forward for the development of a new generation of solar cells. Manufacturers have long used silicon to make solar panels because the material was the most efficient at converting sunlight into electricity. But organic photovoltaics, made from carbon and plastic, promise a cheaper way […]

3 August 2018

Global boom in off-grid renewables

Off-grid renewable energy has witnessed spectacular growth over the last decade. Since 2008 capacity has trebled and the number of people in rural communities served by the technology has witnessed six-fold growth. Today, up to 133 million people are receiving life-changing access to low-cost, secure renewable energy and benefit from the socioeconomic impact access delivers. […]

31 July 2018

Efficiency of air conditioning systems critical to future energy demand

The growing use of air conditioners in homes and offices around the world will be one of the top drivers of global electricity demand over the next three decades, according to new analysis by the International Energy Agency that stresses the urgent need for policy action to improve cooling efficiency. A new IEA report – […]

13 July 2018

Energy renovation of buildings is a key tool for urban regeneration

Across the globe more than 30 % of greenhouse gas emissions are the result of energy use in buildings. And by 2050 global building energy demand could increase by 50% if no action is taken. Reaching the Paris Climate goals requires investing in renovation of the existing building stock. Increasing the energy efficiency of buildings […]

10 July 2018

Mayors urge EU to aim for net-zero emissions by 2050

The mayors of ten major European cities -including Paris, London, Milan and Barcelona – have issued a joint call for the EU to achieve net-zero carbon emissions by 2050, in line with the Paris Agreement. The joint call by the ten mayors coincides with the launch of a public consultation this week (10-11 July) by the European […]

6 July 2018

UK launches Construction Sector Deal to cut building energy use and emissions

The UK Government has launched a £420m construction sector deal, which provides a framework for the built environment sector to halve the energy use of new buildings by 2030. The dealwill see £170m of Government funding invested in innovations which seek to enhance resource efficiency, improve energy efficiency and cut greenhouse gas emissions across the […]

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