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  • South Africa power grid model

Author: Nick Hedley

Nick Hedley is a research analyst focused on clean energy and sustainable development. He is an analyst at Zero Carbon Analytics and has worked in the energy access space, developing financial models for solar PV projects in low-income communities in South Africa. Nick started his career as a financial journalist before moving into the climate and energy field. He has an economics honours degree from Rhodes University and qualifications in energy systems and climate science. He is based in Johannesburg, South Africa.

Portugal’s gas consumption slides as renewables dominate power generation

A Portuguese tile pattern that includes wind turbines, which deliver clean energy.

Portugal’s total gas consumption was down 23% in the first nine months of 2024.

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Flat-rate train ticket reduced Germany’s transport emissions by 5% in first year – analysis

A photo of Berlin's main train station.

Until now, model-based projections by the government have assumed only about half of the annual emissions reduction.

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Sanlam Investments returns as title sponsor for Africa’s Green Economy Summit 2025

An aerial view of Cape Town, South Africa.

The theme for the 2025 event is “Building a climate resilient Africa: Catalysing investment and innovation in the green and blue economies.”  

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How the UK quit coal-fired power (and what comes next)

A photo of the UK's last coal-fired power plant, which was shut on 30 September 2024.

As recently as 2012, coal comprised nearly 40% of the UK’s electrical output.

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Germany doubles number of solar balcony systems since start of 2024 – report

A balcony solar system on the exterior of an apartment block.

The registered systems bring the installed capacity of balcony solar PV to 600 megawatts.

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Renewables cover 56% of Germany’s electricity needs in first three quarters of 2024

A photo of a farm in Germany with solar panels on the roof of the home and wind turbines in the background.

That’s up 4 percentage points compared to the same period a year before.

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How this Belgian town slashed household waste

A smart waste management bin in Belgium

Located in Flanders, near Antwerp, Zoersel reduced the amount of residual waste per person by 20% between 2020 and 2022.

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Clean air zones are improving public health and slashing emissions

A clean air zone in London

London’s clean air zone has led to a 13% reduction in nitric oxide emissions from cars.

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South Africa’s first electric minibus taxi model ‘will cut costs and air pollution’

A photo of the eKamva electric minubus, South Africa's first.

The 15-seater eKamva has a range of more than 200km and delivers an estimated 40-70% saving on running costs.

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These telecommunications companies are leading the way in energy efficiency improvements

A photo of a telecommunications tower at sunset

KPN’s energy use has fallen 42% since 2010 thanks in part to the use of more efficient equipment.

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