Iowa's governor to study Utah's 4-day work week

By Associated Press


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Iowa's governor says he'll look closely at a proposal in Utah, where state workers will soon drop to a four-day work week as a way to cut energy costs.

Chet Culver says the proposal — which has state workers working 10-hour shifts Monday through Thursday — is something that all states will have to consider at some point.

Culver says Utah's plan was a popular topic at the National Governor's Association meeting in Philadelphia.

Culver says Iowa's economy is in good shape, but that the state needs to look at a variety of ideas and consider them in the long-term.

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Brand New Renewable Technology Harnesses Electricity From The Cold, Dark Night

Nighttime Thermoelectric Generator converts radiative cooling into renewable energy, leveraging outer space cold; a Stanford-UCLA prototype complements solar, serving off-grid loads with low-power output during peak evening demand, using simple materials on a rooftop.

 

Key Points

A device converting nighttime radiative cooling into electricity, complementing solar for low-power evening needs.

✅ Uses thermocouples to convert temperature gradients to voltage.

✅ Exploits radiative cooling to outer space for night power.

✅ Complements solar; low-cost parts suit off-grid applications.

 

Two years ago, one freezing December night on a California rooftop, a tiny light shone weakly with a little help from the freezing night air. It wasn't a very bright glow. But it was enough to demonstrate the possibility of generating renewable power after the Sun goes down.

Working with Stanford University engineers Wei Li and Shanhui Fan, University of California Los Angeles materials scientist Aaswath Raman put together a device that produces a voltage by channelling the day's residual warmth into cooling air, effectively generating electricity from thin air with passive heat exchange.

"Our work highlights the many remaining opportunities for energy by taking advantage of the cold of outer space as a renewable energy resource," says Raman.

"We think this forms the basis of a complementary technology to solar. While the power output will always be substantially lower, it can operate at hours when solar cells cannot."

For all the merits of solar energy, it's just not a 24-7 source of power, although research into nighttime solar cells suggests new possibilities for after-dark generation. Sure, we can store it in a giant battery or use it to pump water up into a reservoir for later, but until we have more economical solutions, nighttime is going to be a quiet time for renewable solar power. 

Most of us return home from work as the Sun is setting, and that's when energy demands spike to meet our needs for heating, cooking, entertaining, and lighting.

Unfortunately, we often turn to fossil fuels to make up the shortfall. For those living off the grid, it could require limiting options and going without a few luxuries.

Shanhui Fan understands the need for a night time renewable power source well. He's worked on a number of similar devices, including carbon nanotube generators that scavenge ambient energy, and a recent piece of technology that flipped photovoltaics on its head by squeezing electricity from the glow of heat radiating out of the planet's Sun-warmed surface.

While that clever item relied on the optical qualities of a warm object, this alternative device makes use of the good old thermoelectric effect, similar to thin-film waste-heat harvesting approaches now explored.

Using a material called a thermocouple, engineers can convert a change in temperature into a difference in voltage, effectively turning thermal energy into electricity with a measurable voltage. This demands something relatively toasty on one side and a place for that heat energy to escape to on the other.

The theory is the easy part – the real challenge is in arranging the right thermoelectric materials in such a way that they'll generate a voltage from our cooling surrounds that makes it worthwhile.

To keep costs down, the team used simple, off-the-shelf items that pretty much any of us could easily get our hands on.

They put together a cheap thermoelectric generator and linked it with a black aluminium disk to shed heat in the night air as it faced the sky. The generator was placed inside a polystyrene enclosure sealed with a window transparent to infrared light, and linked to a single tiny LED.


 

For six hours one evening, the box was left to cool on a roof-top in Stanford as the temperature fell just below freezing. As the heat flowed from the ground into the sky, the small generator produced just enough current to make the light flicker to life.

At its best, the device generated around 0.8 milliwatts of power, corresponding to 25 milliwatts of power per square metre.

That might just be enough to keep a hearing aid working. String several together and you might just be able to keep your cat amused with a simple laser pointer. So we're not talking massive amounts of power.

But as far as prototypes go, it's a fantastic starting point. The team suggests that with the right tweaks and the right conditions, 500 milliwatts per square metre isn't out of the question.

"Beyond lighting, we believe this could be a broadly enabling approach to power generation suitable for remote locations, and anywhere where power generation at night is needed," says Raman.

While we search for big, bright ideas to drive the revolution for renewables, it's important to make sure we don't let the smaller, simpler solutions like these slip away quietly into the night.

This research was published in Joule.

 

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Three New Solar Electricity Facilities in Alberta Contracted At Lower Cost than Natural Gas

Alberta Solar Energy Contracts secure low-cost photovoltaic PPAs for government operations, delivering renewable electricity at 4.8 cents/kWh, beating natural gas LCOE, enhancing summer grid efficiency across Hays, Tilley, and Jenner with Canadian Solar.

 

Key Points

Low-cost PV power agreements meeting 55% of Alberta government electricity demand via new Canadian Solar facilities.

✅ Price: 4.8 cents/kWh CAD, under gas-fired generation LCOE.

✅ Sites: Hays, Tilley, Jenner; 50% equity with Conklin Métis Local #193.

✅ Supplies 55% of provincial government electricity demand.

 

Three new solar electricity facilities to be built in south eastern Alberta (Canada) amid Alberta's solar growth have been selected through a competitive process to supply the Government of Alberta with 55 per cent of their annual electricity needs. The facilities will be built near Hays, Tilley, and Jenner, by Canadian Solar with Conklin Métis Local #193 as 50-percent equity owners.

The Government of Alberta's operations have been powered 100 per cent with wind power since 2007. Upon the expiration of some of these contracts, they have been renewed to switch from wind to solar energy. The average contract pricing will be $0.048 per kilowatt hour (3.6 cents/kWh USD), which is less than the average historical wholesale power pool price paid to natural gas-fired electricity in the province in years 2008 - 2018.

"The conversation about solar energy has long been fixated on its price competitiveness with fossil fuels," said John Gorman, CanSIA President & CEO. "Today's announcement demonstrates that low cost solar energy has arrived as a mainstream option in Alberta, even as demand for solar lags in Canada according to federal assessments. The conversation should next focus on how to optimize an all-of-the-above strategy for developing the province's renewable and non-renewable resources."

"This price discovery is monumental for the solar industry in Canada" said Patrick Bateman, CanSIA Director of Policy & Market Development. "At less than five cents per kilowatt hour, this solar electricity has a cost that is less than that of natural gas. Achieving Alberta's legislated 30 per cent by 2030 renewable electricity target just became a whole lot cheaper!".

 

Quick Facts:

  • The contract price of 4.8 cents/kWh CAD to be paid by Alberta Infrastructure for this solar electricity represents a lower Levelized Cost of Electricity (LCOE) than the average annual wholesale price paid by the power pool to combined-cycle and single-cycle natural gas-fired electricity generation which was 7.1 cents/kWh and 11.2 cents/kWh respectively from 2008 - 2018.
  • Alberta receives more hours of sunshine than Miami, Florida in the summer months. Alberta's electricity supply is most strained in summer, highlighting challenges for solar expansion when high temperatures increase the resistance of the distribution and transmission systems, and reduce the efficiency of cooling thermal power plants. For this reason, solar facilities sited near to electricity demand improves overall grid efficiency. Supply shortages are atypical in Alberta in winter when solar energy is least available. When they do occur, imports are increased and large loads are decreased.
  • In 2018, Alberta's solar electricity generation exceeded 50 MW. While representing much less than 1% of the province's electricity supply today, the Canadian Solar Industries Association (CanSIA) forecasts that solar energy could supply as much as 3 per cent of the province's electricity by 2030, supporting renewable energy job growth across Alberta. A recent supply chain study of the solar electricity sector in Alberta by Solas Energy Consulting Inc. found a potential of $4.1 billion in market value and a labour force rising to 10,000 in 2030.

 

To learn more about solar energy and the best way for consumers to go solar, please visit the Canadian Solar Industries Association at www.CanSIA.ca.

 

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Electricity alert ends after Alberta forced to rely on reserves to run grid

Alberta Power Grid Level 2 Alert signals AESO reserve power usage, load management, supply shortage from generator outages, low wind, and limited imports, urging peak demand conservation to avoid blackouts and preserve grid reliability.

 

Key Points

An AESO status where reserves power the grid and load management is used during supply constraints to prevent blackouts.

✅ Triggered by outages, low wind, and reduced import capacity

✅ Peak hours 4 to 7 pm saw conservation requests

✅ Several hundred MW margin from Level 3 load shedding

 

Alberta's energy grid ran on reserves Wednesday, after multiple factors led to a supply shortage, a scenario explored in U.S. grid COVID response discussions as operators plan for contingencies.

At 3:52 p.m. Wednesday, the Alberta Electric System Operator issued a Level 2 alert, meaning that reserves were being used to supply energy requirements and that load management procedures had been implemented, while operators elsewhere adopted Ontario power staffing lockdown measures during COVID-19 for continuity. The alert ended at 6:06 p.m.

"This is due to unplanned generator outages, low wind and a reduction of import capability," the agency said in a post to social media. "Supply is tight but still meeting demand."

AESO spokesperson Mike Deising said the intertie with Saskatchewan had tripped off, and an issue on the British Columbia side of the border, as seen during BC Hydro storm response events, meant the province couldn't import power. 

"There are no blackouts … this just means we're using our reserve power, and that's a standard procedure we'll deploy," he said. 

AESO had asked that people reduce their energy consumption between 4 and 7 p.m., similar to Cal ISO conservation calls during grid strain, which is typically when peak use occurs. 

Deising said the system was several hundred MWs away from needing to move to an alert Level 3, with utilities such as FortisAlberta precautions in place to support continuity, which is when power is cut off to some customers in order to keep the system operating. Deising said Level 2 alerts are fairly rare and occur every few years. The last Level 3 alert was in 2013. 

According to the supply and demand report on AESO's website, the load on the grid at 5 p.m. was 10,643 MW.

That's down significantly from last week, when a heat wave pushed demand to record highs on the grid, with loads in the 11,700 MW range, contrasting with Ontario demand drop during COVID when many stayed home. 

A heat warning was issued Wednesday for Edmonton and surrounding areas shortly before 4 p.m., with temperatures above 29 C expected over the next three days, with many households seeing residential electricity use up during such periods. 

 

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Brazil government considers emergency Coronavirus loans for power sector

Brazil Energy Emergency Loan Package aims to bolster utilities via BNDES as coronavirus curbs electricity demand. Aneel and the Mines and Energy Ministry weigh measures while Eletrobras privatization and auctions face delays.

 

Key Points

An emergency plan supporting Brazilian utilities via BNDES and banks during coronavirus demand slumps and payment risks.

✅ Modeled on 2014-2015 sector loans via BNDES and private banks

✅ Addresses cash flow from lower demand and bill nonpayment

✅ Auctions and Eletrobras privatization delayed amid outbreak

 

Brazil’s government is considering an emergency loan package for energy distributors struggling with lower energy use and facing lost revenues because of the coronavirus outbreak, echoing strains seen elsewhere such as Germany's utility troubles during the energy crisis, an industry group told Reuters.

Marcos Madureira, president of Brazilian energy distributors association Abradee, said the package being negotiated by companies and the government could involve loans from state development bank BNDES or a pool of banks, but that the value of the loans and other details was not yet settled.

Also, Brazil’s Mines and Energy Ministry is indefinitely postponing projects to auction off energy transmission and generation assets planned for this year because of the coronavirus, even as the need for electricity during COVID-19 remained critical, it said in the Official Gazette.

The coronavirus outbreak will also delay the privatization of state-owned utility Eletrobras, its chief executive officer said on Monday.

The potential loan package under discussion would resemble a similar measure in 2014 and 2015 that offered about 22 billion reais ($4.2 billion) in loans to the sector as Brazil was entering its deepest recession on record, and drawing comparisons to a proposed Texas market bailout after a winter storm, Madureira said.

Public and private banks including BNDES, Caixa Economica Federal, Itau Unibanco and Banco Bradesco participated in those loans.

Three sources involved in the discussions said on condition of anonymity that the Mines and Energy Ministry and energy regulator Aneel were considering the matter.

Aneel declined to comment. The Mines and Energy Ministry and BNDES did not immediately respond to requests for comment.

Energy distributors worry that reduced electricity demand during COVID-19 could result in deep revenue losses.

The coronavirus has led to widespread lockdowns of non-essential businesses in Brazil, while citizens are being told to stay home. That is causing lost income for many hourly and informal workers in Brazil, who could be unable to pay their electricity bills, raising risks of pandemic power shut-offs for vulnerable households.

The government sees a loan package as a way to stave off a potential chain of defaults in the sector, a move discussed alongside measures such as a Brazil tax strategy on energy prices, one of the sources said.

On a conference call with investors about the company’s latest earnings, Eletrobras CEO Wilson Ferreira Jr. said privatization would be delayed, without giving any more details on the projected time scale.

The largest investors in Brazil’s energy distribution sector include Italy’s Enel, Spain’s Iberdrola via its subsidiary Neoenergia and China’s State Grid via CPFL Energia, with Chinese interest also evidenced by CTG's bid for EDP, as well as local players Energisa e Equatorial Energia. 

 

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Wind turbine firms close Spanish factories as Coronavirus restrictions tighten

Spain Wind Turbine Factory Shutdowns disrupt manufacturing as Vestas, Siemens Gamesa, and Nordex halt Spanish plants amid COVID-19 lockdowns, straining supply chains and renewables projects across Europe, with partial operations and maintenance continuing.

 

Key Points

COVID-19 lockdowns pause Spanish wind factories by Vestas, Siemens Gamesa, and Nordex, disrupting supply chains.

✅ Vestas, Siemens Gamesa, Nordex halt Spanish manufacturing

✅ Service and maintenance continue under safety protocols

✅ Supply chain and project timelines face delays in Europe

 

Europe’s largest wind turbine makers on Wednesday said they had shut down more factories in Spain, a major hub for the continent’s renewables sector, in response to an almost total lockdown in the country to contain the coronavirus outbreak as the Covid-19 crisis disrupts the sector.

Denmark’s Vestas, the world No.1, has suspended production at its two Spanish plants, a spokesman told Reuters, adding that its service and maintenance business was still working. Vestas has also paused manufacturing and construction in India, which is under a nationwide lockdown too, he said, and similar disruptions could stall U.S. utility solar projects this year.

Top rival Siemens Gamesa, known for its offshore wind turbine lineup, suspended production at six Spanish factories on Monday, bringing total closures there to eight, a spokeswoman said.

Four components factories are still partially up and running, at Reinosa on the north coast, Cuenca near Madrid, Mungia and Siguiero, she added.

Germany’s Nordex, the No.8 globally which is 36% owned by Spain’s Acciona, has now shuttered all of its production in Spain, even as new projects like Enel’s 90MW build move ahead, including two nacelle casing factories in Barasoain and Vall d’Uixo, as well as a rotor blade site in Lumbier.

“Production is no longer active,” a spokeswoman said in response to a Reuters query.

The new closures take the number of idled wind power factories on the continent to 19, all in Spain and Italy, the European countries worst hit by the pandemic, with investments at risk across the sector.

Spain is second only to Italy in terms of numbers of coronavirus-related fatalities and restrictions have become even stricter in the country’s third week of lockdown at a time when renewables surpassed fossil fuels for the first time in Europe.

“Some factories have temporarily paused activity as a precautionary step to strengthen sanitary measures within the sites and guarantee full compliance with government recommendations,” industry association WindEurope said, noting that wind power grows in some markets despite the pandemic.

 

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Opinion: The awesome, revolutionary electric-car revolution that doesn't actually exist

Ecofiscal Commission EV Policy Shift examines carbon pricing limits, endorsing signal boosters like subsidies, EV incentives, and coal bans, amid advisory changes and public pushback, to accelerate emissions cuts beyond market-based taxes and regulations.

 

Key Points

An updated stance recognizing carbon pricing limits and backing EV incentives, subsidies, and rules to reduce emissions.

✅ Carbon pricing plus subsidies, EV incentives

✅ Advisory shift; Jack Mintz departs

✅ Focus on emissions cuts, coal power bans

 

Something strange happened at the Ecofiscal Commission recently. Earlier this month, the carbon-tax advocacy group featured on its website as one of its advisers the renowned Canadian economist (and FP Comment columnist) Jack M. Mintz. The other day, suddenly and without fanfare, Mintz was gone from the website, and the commission’s advisory board.

Advisers come and advisers go, of course, but it turns out there was an impetus for Mintz’s departure. The Ecofiscal Commission in its latest report, dropped just before Canada Day, seemingly shifted from its position that carbon prices were so excellent at mimicking market forces that the tax could repeal and replace virtually the entire vast expensive gallimaufry of subsidies, caps, rules and regulations that are costing Canada a fortune in business and bureaucrats. As some Ecofiscal commissioners wrote just a few months ago, policies that “dictate specific technologies or methods for reducing emissions constrain private choice and increase costs” and were a bad idea.

But, in this latest report, the commission is now musing about the benefits of carbon-tax “signal boosters”: that is, EV subsidies and rules to, for instance, get people to start buying electric vehicles (EVs), as well as bans on coal-fired power. “Even well designed carbon pricing can have limitations,” rationalized the commission. Mintz said he had “misgivings” about the change of tack. He decided it best if he focus his advisory energies elsewhere.

It’s hard to blame the commission for falling like everyone else for the electric-car mania that’s sweeping the nation and the world. Electric cars offer a sexiness that dreary old carbon taxes can never hope to match — especially in light of a new Angus Reid poll last week that showed the majority of Canadians now want governments to shelve any plans for carbon taxes.

So far, because nobody’s really driving these miracle machines, said mania has been limited to breathless news reports about how the electric-vehicle revolution is about to rock our world. EVs comprise just two-tenths of a per cent of all passenger vehicles in North America, despite the media’s endless hype and efforts of green-obsessed governments to cover much of the price tag, like Ontario’s $14,000 rebate for Tesla buyers. In Europe, where virtue-signalling urban environmentalism is the coolest, they’re not feeling the vehicular electricity much more: EVs account for barely one per cent of personal vehicles in France, the U.K. and Germany. When Hong Kong cancelled Tesla rebates in April, sales fell to zero.

Going by the ballyhoo, you’d think EVs were at an inflection point and an unstoppable juggernaut. But it’s one that has yet to even get started. In his 2011 State of the Union address, then president Barack Obama predicted one million electric cars on the road by 2015. Four years later, there wasn’t even a third that many. California offered so many different subsidies for electric vehicles that low-income families could get rebates of up to US$13,500, but it still isn’t even close to reaching its target of having zero-emission vehicles make up 15 per cent of California auto sales by 2025, being stuck at three per cent since 2014. Ontario’s Liberal government last year announced to much laughter its plan to ensure that every family would have at least one zero-emission vehicle (ZEV) by 2024, and Quebec made a plan to make ZEVs worth 15.5 per cent of sales by 2020, while Ottawa’s 2035 EV mandate attracts criticism too. Let’s see how that’s going: Currently, ZEVs make up 0.16 per cent of new vehicle sales in Ontario and 0.38 per cent in Quebec.

The latest sensational but bogus EV news out last week was France’s government announcing the “end of the sale of gasoline and diesel cars by 2040,” and Volvo apparently announcing that as of 2019, all its models would be “electric.” Both announcements made international headlines. Both are baloney. France provided no actual details about this plan (will it literally become a crime to sell a gasoline car? Will hybrids, run partly on gasoline, be allowed?), but more importantly, as automotive writer Ed Wiseman pointed out in The Guardian, a lot will happen in technology and automotive use over the next 23 years that France has no way to predict, with changes in self-driving cars, public car-sharing and fuel technologies. Imagine making rules for today’s internet back in 1994.

Volvo, meanwhile, looked to be recycling and repackaging years-old news to seize on today’s infatuation with electric vehicles to burnish its now Chinese-owned brand. Since 2010, Volvo’s plan has been to focus on engines that were partly electric, with electric turbochargers, but still based on gasoline. Volvo doesn’t actually have an all-electric model, but the gasoline-swigging engine of its popular XC90 SUV is, partly, electrical. When Volvo said all its models would in two years be “electric,” it meant this kind of engine, not that it was phasing out the internal-combustion gasoline engine. But that is what it wanted reporters to think, and judging by all the massive and inaccurate coverage, it worked.

The real story being missed is just how pathetic things look right now for electric cars. Gasoline prices in the U.S. turned historically cheap in 2015 and stayed cheap, icing demand for gasless cars. Tesla, whose founder’s self-promotion had made the niche carmaker magically more valuable than powerhouses like Ford and GM, haemorrhaged US$12 billion in market value last week after tepid sales figures brought some investors back to Earth, even as the company’s new Model 3 began rolling off the line.

Not helping is that environmental claims about environmental cars are falling apart. In June, Tesla was rocked by a controversial Swedish study that found that making one of its car batteries released as much CO2 as eight years of gasoline-powered driving. And Bloomberg reported last week on a study by Chinese engineers that found that electric vehicles, because of battery manufacturing and charging by fossil-fuel-powered electricity sources, emit 50-per-cent more carbon than do internal-combustion engines. Still, the electric-vehicle hype not only continues unabated, it gets bigger and louder every day. If some car company figures out how to harness it, we’d finally have a real automotive revolution on our hands.

Kevin Libin, Financial Post

 

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