Browsing the "100% renewable energy" Tag

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Renewable Roundup: 25.4%-Efficient solar cells

The first “practical” solar cells came out in 1954 with 6% efficiency. Research cells have now reached 44.5% efficiency, while 23% was the best in commercial products last year. Now we are at 25.4% with a new product about to go into production. It combines two established technologies, offering the best of both. By Mokurai […]

June 25th

Renewable Roundup: Europe goes big on hydrogen

We have looked at applications of hydrogen, and specific projects. Here is an analysis of the entire European Union hydrogen market through 2030.  The problem, as with many technologies, is reducing costs to be competitive with fossil fuels. By Mokurai But there are applications where that is not necessary. When renewable energy is overproduced in […]

June 23rd

Buildings consume lots of energy – here’s how to design whole communities that give back as much as they take

Although the coronavirus pandemic has dominated recent headlines, climate change hasn’t gone away. Many experts are calling for a “green” economic recovery that directs investments into low-carbon energy sources and technologies. Buildings account for 40% of total energy consumption in the U.S., compared to 32% for industry and 28% for transportation. States and cities with […]

June 19th

Renewable Roundup: 1.5 terawatts of solar energy in 2024

Carl Sagan didn’t say it, but I will: Terawatts and terawatts and terawatts…When I started this series more than a year ago, we had about a TW of hydro and a TW of wind and solar. This has been a difficult year, but we are going to come roaring back from covid-19. By Mokurai Global […]

June 18th

‘We Must Act Now’: 180 House Democrats urge Pelosi to save clean energy industry ‘Decimated’ by Coronavirus

As Congress continues to debate whether and how to keep helping workers and businesses impacted by the ongoing coronavirus pandemic, over three-quarters of House Democrats sent a letter Monday urging the lower chamber’s party leaders to ensure the delivery of further relief to the “crucial” clean energy industry, which has been “decimated” by the public […]

June 16th

Big oil invokes “fairness and equality” (meaning subsidies for THEM but not for clean energy)

Issues of justice and fairness are never as simple or easy as one might hope. The transition from gas to electric vehicles is no exception, particularly given the long history of highways and urban development as tools of white supremacy. So now, we need to be careful that electric vehicle policy doesn’t harm anyone, intentionally or otherwise. Concerns about the fairness […]

Funding, Expertise, Utility Cooperation: Three things cities need to reach 100% Renewable Energy

Cities of all sizes around the country are taking control by pledging to reach community-wide goals of 100% renewable energy. However, many of these cities are unsure of how to meet these commitments. Although the renewable energy potential throughout the U.S. is strong, cities are facing other types of challenges that are hindering their ability […]

June 15th

Renewable Roundup: Microgrids in Puerto Rico

Trump hates Boricuas/Puerto Riqueños at the best of times. In addition, FEMA is, by law, not permitted to rebuild the storm-shattered energy grid in PR with distributed solar and wind power, our topic today. Malignancy plus mandatory foolishness pile disaster on each natural disaster. It is going to take Joe Biden’s people years to get […]

June 12th

Renewable Roundup: 15 GW of solar energy for Israel

Israel lifted our spirits, by announcing plans to add 15 GW more solar this decade. Mazel tov, Eretz Yisroel! No coal after 2026! Huge amounts of solar! Now, we just have to get a new Israeli government willing to abandon gas. And let the Palestinians join in. And, well, you know. By Mokurai Israel wants another 15 […]

June 9th

Europe has its post-Coronavirus Green New Deal. What can we learn from them?

On May 27, the European Union unveiled a €750 billion ($826 billion) recovery proposal as a centerpiece of its economic response to the coronavirus crisis, while also increasing its existing budget. EU officials have said that 25% of the stimulus package will be set aside for climate-friendly measures like building renovation, clean energy technologies, low-carbon vehicles and sustainable land […]

Renewable Roundup: Clean energy eclipses coal

The targets become ever more tempting as antiquated coal plants age out and become ever more financially ruinous for their owners. Which ones are they working on where you are? Are we having fun yet? In a First, Renewable Energy Is Poised to Eclipse Coal in U.S. The coronavirus has pushed the coal industry to […]

May 24th

Renewable Roundup: Renewable energy is a huge boon for the island nation of Indonesia

Indonesia is undergoing another conversion in government policy on energy. There is much more renewable energy in this year’s plan, to be achieved much sooner than previously thought, on more than 9,000 inhabited islands. Wind, solar, geothermal, hydro, wave, tide, storage… By Mokurai Indonesia should put more energy into renewable power Aug 19, 2019 In […]

May 23rd