Green Energy

At an IRE conference panel, experts discussed several powerful tools and innovative techniques for uncovering harmful practices by the global alternative energy industry.

Archived copies of the article:

• archive.today
• ghostarchive.org

cross-posted from: https://slrpnk.net/post/24434991

Submerged in about 40 meters (44 yards) of water off Scotland’s coast, a turbine has been spinning for more than six years to harness the power of ocean tides for electricity — a durability mark that demonstrates the technology’s commercial viability.

Keeping a large, or grid-scale, turbine in place in the harsh sea environment that long is a record that helps pave the way for bigger tidal energy farms and makes it far more appealing to investors, according to the trade association Ocean Energy Europe. Tidal energy projects would be prohibitively expensive if the turbines had to be taken out of the water for maintenance every couple of years.

Tidal energy technologies are still in the early days of their commercial development, but their potential for generating clean energy is big. According to the National Renewable Energy Laboratory, marine energy, a term researchers use to refer to power generated from tides, currents, waves or temperature changes, is the world’s largest untapped renewable energy resource.

President Trump directed the Treasury Department on Monday to take a strict approach to limit which projects are eligible for wind and solar tax credits.

The recently passed Republican megabill ends the tax credits for wind and solar projects unless solar or wind farms start producing electricity by 2028 — or unless they start construction in the next year.

Trump’s executive order tells his administration to limit which projects can count as having started construction.

Update: President Trump signed the domestic policy and tax bill into law on Friday, July 4.

“These bills are an affront to our sovereignty, our lands, and our way of life. They would gut essential health and food security programs, roll back climate resilience funding, and allow the exploitation of our sacred homelands without even basic tribal consultation,” said Chalyee Éesh Richard Peterson, president of the Tlingit and Haida in Alaska, in a statement. “This is not just bad policy — it is a betrayal of the federal trust responsibility to tribal nations.”

Tribes across the country are particularly worried about the megabill’s hit to clean energy, complicating the development of critical wind and solar projects. According to the Department of Energy, tribal households face 6.5 times more electrical outages per year and a 28 percent higher energy burden compared to the average U.S. household. An estimated 54,000 people living on tribal lands have no electricity.

Addressing a crowd outside the White House on Friday (4 July), the US president said: “China’s right now building 68 coal-generating plants, and we’re putting up wind … It does not work, aside from ruining our fields and our valleys and killing all the birds, being very weak and very expensive – all made in China.”

Commenting on “all the windmills that China sends us”, he then went on to claim: “I have never seen a wind farm in China. Why is that?”

Well, the reality is that they are there, because the country is described as the “global renewable energy leader” due to it hosting “nearly half of the world’s total operating wind and solar capacity” – per a 2023 report from the non-profit research organisation, Global Energy Monitor.

The same report notes at the time of its publication in June that year, the combined onshore and offshore wind capacity of China had doubled from what it was in 2017, surpassing 310 gigawatts.

And according to the energy think tank Ember, China accounted for more than half of the global increase in both wind and solar power last year.

The American clean power industry is thriving and making a significant contribution to the U.S. economy thanks to policies of the Biden-Harris administration, as well as the highly competitive prices and speed with which clean power systems and energy storage can be currently installed. But the industry is now facing an all-out assault from President Donald Trump.

His signature “One Big Beautiful Bill Act,” which Trump signed into law on July 4, heavily targets the industry, which Trump has labeled the “green new scam.” The legislation eliminates a 30 percent tax credit for residential rooftop solar panels by the end of 2025, as well as those dedicated to utility-scale solar and wind, although plants that are already financed and approved by June 2026 — or that are operational by 2027 — can still qualify for the credits. (The credit for solar leasing companies will also last through 2027 and can be passed through to consumers.) The bill also eliminates tax credits for electric vehicles and chargers, as well as battery storage systems, geothermal heating, electric panel upgrades, energy audits and weatherization, all of which can lower consumer’s energy bills.

In a last minute move, however, Republicans struck a proposed excise tax on wind and solar projects if the materials included a percentage of minerals sourced from certain foreign countries. Experts say that, regardless of the excise tax reprieve and the included grandfather provisions, the clean energy industry will be badly hurt and consumers’ energy prices could rise by eight to 10 percent.

Some scholars and activists are raising concerns that Indigenous voices are not being heard amid the debate over whether to host nuclear waste storage facilities.

After the 2011 meltdowns at the Fukushima No. 1 nuclear plant, the world’s worst nuclear crisis since Chernobyl, all of Japan’s nuclear power stations were shut down while new safety standards were drawn up. Well over a decade on, only 14 of its 54 reactors have been restarted.

cross-posted from: https://feddit.uk/post/32373636

Britain wasted £649m already this year powering down wind farms as there is not enough grid capacity to send renewable energy where it is needed, utility finds

Unlike lithium-ion batteries, vanadium flow batteries use electrolyte solutions containing vanadium ions to store and release energy. The technology offers a number of advantages for grid-scale storage: high safety (non-flammable), long cycle life (over 15 years), and the ability to decouple power and energy capacity, offering greater design flexibility.

Some key insights from the article:

Basically, what they did was to look at how much batteries would be needed in a given area to provide constant power supply at least 97% of the time, and the calculate the costs of that solar+battery setup compared to coal and nuclear.