THE DAILY ROUNDUP – Weekend Edition

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Hi! Here is your dose of useful links and articles related to renewable energy and technology. Have a nice weekend!

Smart cities will be built on zero trust

As we travel further along the road to digital transformation, cities are turning to smart technologies to address quality-of-life issues and lower operating costs in times of tight budgets. However, with new technology coming online, civic leaders are beginning to recognize that while smart…

‘Green’ wind energy sending many giant blades to landfills

At a western Iowa wind farm, a demolition crew saws through red slashes marked on 120-foot turbine blades, cutting them into thirds before stuffing the thinnest piece inside the base’s hollow cavity, giving workers room to load more blades onto a flatbed trailer. The work is part of…

The scale of the issue is quite large. It’s quite a bit of material. And it’s a larger sustainability issue. We would like everything that’s manufactured to be reusable or recyclable.

Daniel Laird, a U.S. Department of Energy researcher

Interview with Even Hjetland – Fred. Olsen & CO

I had a nice dialogue through emails with Even about Fred. Olsen Ltd. and their wave energy development program, Bolt Sea Power. Considering the current global investment in renewable energy, mainly wind and solar, there is not much pouring into the oceanic power sector at the moment…

Wave energy will be a floating renewable energy technology, competing with floating wind turbines and floating solar. We don’t yet know the entire cost picture of those technologies, so whether wave energy turns out to win or not is uncertain.

Even Hjetland, Engineering Manager at BOLT Sea Power (Fred. Olsen Ltd.)

The long read: Around the world in nine microgrids

Control systems for microgrids are already performing a wide range of tasks in real-world projects. Among other things, control systems are designed to increase the share of renewable energy in the local electricity mix, reduce the operating costs of the power supply, and provide emergency…

Traveling the Toughest Miles to Bring Light: the Manipur Microgrid Project

Some microgrids are easy to install; others not so much. The Manipur microgrids found in remote India fall on the far side of ‘not so much.’ Workers trekked many miles of steep, mountainous, often unpaved terrain to install inverterless, DC solar-storage microgrids in 3,026 homes across 112…

People in these villages have lived in total darkness for generations as there was no grid connectivity prior to this intervention.

Venkat  Rajaraman, Cygni CEO

FreeWord – The Evolution Of Money

Money, as we know it, has been instrumental in how societies and commerce have evolved for at least the last 3,000 years. Throughout history, money has changed societies, and in turn, societies have changed money – this is how it has always been and will be. When money was created, the…

Banks are not convincing with their ability to take timely precautions, and IT companies still lack the evidence to prove that they respect privacy and are capable of protecting sensitive data. Thus, we are entering an entirely new era with challenging ethical and security-related issues with e-money and virtual payment methods.

Storing energy in hydrogen 20 times more effective using platinum-nickel catalyst

Catalysts accelerate chemical reactions, but the widely used metal platinum is scarce and expensive. Researchers at Eindhoven University of Technology (TU/e), together with Chinese, Singaporean and Japanese researchers, have now developed an alternative with a 20x higher activity…

I hope that we will soon be able to install an electrolyzer in every neighborhood. This refrigerator-sized device stores all the energy from the solar panels on the roofs in the neighborhood during the daytime as hydrogen. The underground gas pipelines will transport hydrogen in future, and the domestic central heating boiler will be replaced by a fuel cell, the latter converting the stored hydrogen back into electricity.

TU/e catalysis professor, Emiel Hensen

The world’s energy report card just came out. We failed 3 subjects.

The world just got its energy report card … and at best, its grades are mixed. Every year, the International Energy Agency releases a mammoth report detailing the world’s progress toward providing clean energy to all. This year’s report is 810 pages long, but here’s the take-home message…

I think energy developments in Africa are going to surprise many of the pessimists.

IEA’s Executive Director Fatih Birol

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