All articles by Heidi Vella

Modernising the US grid for peak renewables and climate change

Consisting of more than 9,200 electric generating units, 600,000 miles of transmission lines and more than one million megawatts of…
Colorado’s power pathway: balancing the need for renewables and grid expansion

Colorado’s Power Pathway is a $1.7bn-$2bn investment proposed by state utility Xcel Energy to improve regional power infrastructure. The project, which…
Maritime hydrogen: inside Yanmar Power Technology’s new hydrogen power system

It takes a lot of energy to haul a ship through the water, which is why the maritime industry is…
Arctic exploration: developing green energy technology in an extreme region

The Yamal peninsula located in the foothills of the Russian Polar Urals, a vast mountain range that runs north-to-south from…
Turning the tide: is now the time for tidal power?

The O2 tidal turbine can produce 2MW of power, making it the most powerful in the world according to creators…

Large-scale solar: sun shines on the sector at last

After decades of technological development, it seems the dial is finally shifting in the favour of ramping up large-scale solar…
Something in the water: controversy courts the Fukushima clean-up

In the decade since the Fukushima Daiichi nuclear power plant disaster devastated the region, local fisheries have worked hard to…
When lightning strikes: managing impacts on wind turbines

After recording extraordinary warranty costs of €175m in the second quarter of 2020, Vestas’ CEO Henrik Andersen said “high intensity…
Joining forces: can a new clean tech JV help India reach its climate goals?

Already home to over a billion people, India has one of the world’s fastest growing populations and its energy needs…
Will the pandemic trigger a boom for rooftop solar?

For UK solar, 2020 was a significant year. Not just because of the unprecedented global pandemic, but because it was…