How Data Centers Are Driving The Renewable Energy Transition

The argument could be made that data centers are a major driving force in the energy transition to renewables...Siemens

With the backdrop of a global energy crisis, it’s perhaps a good time to discuss the real energy cost of data centers, why they’ve become one of the world’s fastest-advancing industries, and how an argument could be made that they are, in fact, a major driving force in the energy transition to renewables.

Firstly, let’s consider their growth. Between 2015 and 2021, internet users have increased by 60%, and internet traffic by 440%, according to IEA data. But despite a rise in workload for data centers of 260% in the same time period, global energy use attributed to data centers has remained relatively flat, representing just a 10% increase.

Decoupling service demand from energy

This decoupling of energy usage from service demand is hugely significant. It’s being driven by rapid innovation of digital technology in data centers, allowing the industry to offset huge increases in demand with improved infrastructure efficiency.

In short, we are building more and more digital capacity, modernizing legacy infrastructure and meeting the growth, but in real terms we’re not using much more energy than we were five years ago.

The real challenge here is how we limit the environmental impact of global internet use. We should be honest; there is an impact, there always will be and we need to continue to use technology and commercial innovation to mitigate it.

Looking at the lifecycle of a datacenter, we see that more than 85% of the carbon impact today comes from operations. There is also certainly an impact during construction and it’s also significant – certainly worthy of mitigation – but net-zero construction will not address the larger part of the challenge: the carbon impact of running the facility for 20 years or more.

Driving the energy transition

Enter the concept of energy mix. A data center’s carbon performance is broadly a function of the energy mix in the location in which it’s operating. There are some exceptions, where operators take the responsibility to generate power on-site using renewables or gas, but largely speaking local grids power data centers.

The data center industry is a major buyer of PPA agreements for renewable energy, and this has a significant impact on the energy mix. In 2021, Amazon and Microsoft were the two largest corporate buyers of renewable energy through PPA; to a degree, the data center industry is helping to drive decarbonization by underwriting a significant proportion of grid-scale, carbon-free energy for industry.

This can catalyze a whole ecosystem at a national level, and also demonstrates to the broader industrial base that critical loads can reliably move to renewables.

Growing adoption of renewable energy – and higher levels of infrastructure redundancy at the IT level – are also leading to new design best practices in data centers. Battery Energy Storage Systems (BESS) are replacing diesel gensets as short-term backup power supply, for example.

With energy markets increasingly interconnected, data centers adopting BESS can generate unprecedented revenues by running in island mode in case of outages (without emitting carbon dioxide from diesel generators) or stabilizing the frequency of the grid.

Beyond carbon reduction

The quest for efficiency is as important as ever, and the discipline of energy management has a massive effect on the operational impact of a data center. Innovation in technology for managing environmental conditions inside a data center is having a significant impact on energy consumption.

We know that 20% to 40% of a data center’s energy use can go towards cooling and ventilation, and this mechanical load is a prime area for optimization through technology. White space cooling is a good example. Our technology for this – a white space cooling optimization solution – uses an advanced machine-learning model to analyze the effect of cooling on specific areas of a data center, creating an influence map to limit energy use to only what’s necessary.

AI engines like this can make a significant difference to a data center’s energy costs; it’s one of the reasons the new Greenergy data center in Estonia is the most energy efficient in the Baltic region.

Building elasticity into data center design is also a key factor in reducing the sector’s energy consumption and cost. Through intelligent design, instrumentation, control and automation, a data center can enable and disable capacity when it’s needed, rather than constantly running circuits and networks with no work to do.

In addition to preventing the over-provision of infrastructure, this is crucial at times of the year where additional capacity is needed to cover short peaks in demand. Black Friday and the Christmas period are a perfect example; with better mechanical, electrical and automation design we can dynamically reduce or increase data center infrastructure resources, enabling them to reliably run closer to their capacity for short periods of time.

The future?

Digitalization and the rise of internet access have delivered significant benefits to humanity, but we should be humble enough to acknowledge there is a sustainability impact. Our mission now is to continually and steadily drive that impact toward zero.

The data center industry has led by example by willingly investing in decarbonization, and has demonstrated that an ecosystem of technology companies can work together to measure, manage and fundamentally change an industry’s approach to energy through innovation. We must continue this pace of investment and innovation if we are to deliver the lowest possible impact of our digital lives on the environment.

Ciaran is VP and Global Head of Siemens’ Datacenter Solutions business, tasked with the continued development of Siemens as a technology provider to the….

Source: How Data Centers Are Driving The Renewable Energy Transition

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Hydrogen Is Not A Fuel, It’s A Cult

The sales pitch for hydrogen is heating up, although not as much as the Hindenburg did in 1937. In the UK, there are even advertisements for the fuel on the London Underground, which is quite an odd thing to see next to posters about the latest iPhone and vitamin supplements.

It’s not like the average employee on their way to work is going to rush out and buy some H2 before reaching the office. No, this is more of a sign that there is a PR campaign to implant hydrogen in the public imagination as the savior of all our lifestyles in the face of climate change.

For a certain type of tabloid-reading consumer, it’s working, with many claiming they won’t buy battery-electric vehicles because they are “waiting for hydrogen”. The bigger problem is that governments are listening too and it’s not necessarily such a good thing. Recently, the EU has made a pledge to move to 2.6% renewable fuels such as green hydrogen (produced from renewable energy sources such as wind and solar) and replace 50% of grey hydrogen (produced from methane) with green hydrogen as well.

This would be all well and good if we had abundant renewable energy to call upon, but we don’t. Research organization Transport & Environment has found that this would put undue pressure on the wind and solar we have when it is direly needed for other applications.

The UK government is also putting a lot of emphasis on hydrogen, with some dramatic numbers about how many jobs could be created and how much the industry could be worth by 2050 (100,000 jobs and £13 billion / $17 billion). The UK has already switched a lot of its generation grid to renewables, particularly wind, which sometimes now supplies over half the country’s electricity. But that still doesn’t mean there will be loads of surplus to be used for producing hydrogen. The bullish employment and market value predictions appear to hide some major obstacles.

This threatens to derail our route to decarbonization more than ease it. The arguments against hydrogen as our lord and savior are increasingly well known, and mostly revolve around the laws of physics. Hydrogen may be abundant in the universe but harnessing it for use is not so easy. Although there are some ways of harvesting hydrogen as a byproduct of other processes, it usually must be extracted from fossil fuels or electrolyzing water.

The latter is the truly green option but takes plenty of energy and loses about a third of the power input compared to just sending the electricity over the grid. You lose even more using fuel cells to convert the hydrogen back to electricity, and even more with hydrogen-derived synthetic fuels. Only mild improvements in efficiency are expected over the coming decades, too.

The chief thing that hydrogen has in its favor is convenience and that seems to be central tenet of the cult surrounding it. Hydrogen fans are fixated on the fact that it takes five minutes to replenish an H2 vehicle, just like fossil fuel. Even more enticingly, evangelists are being fed the story that they will soon be able to use a hydrogen-based synthetic fuel in the cars they are driving right now, with no change necessary.

These ideas appear to have been propagated to delay the uptake of battery-electric vehicles. In Europe at least, it doesn’t seem to be working yet, with every month an improvement on the last for EV sales. In the UK, sales of BEVs in November were twice what they were in November 2020, which in their turn were twice as much as November 2019. In contrast, there are just a few hundred hydrogen cars in the whole of Britain. Certainly, in the car industry at least, if hydrogen is coming to save us, it better hurry up before it’s too late.

The problem with all the unrealistically positive rhetoric about hydrogen for cars is that the fuel type does have a place in the decarbonized energy economy. But its inefficiency must be balanced against its convenience and where direct electrification is not an option.

Michael Liebreich of BloombergNEF has created a handy pyramid of the relative value of different hydrogen use scenarios, with applications like fertilizer being essential, but any form of transport from trucks, coaches, and short-haul aviation downwards being better served by batteries, or other forms of electrification. The essential hydrogen applications are called “no regret” scenarios, a phrase coined by German think-tank Agora Energiewende, because their need is uncontroversial, whereas transportation is already proving to be more efficiently served by batteries.

The cult of hydrogen being the future has merely provoked a massively negative reaction from those who are already driving BEVs and realize that they are not just the future, but here and now. That detracts from the uses where hydrogen does have a benefit, for example as a portable energy source for areas where there is no electrical grid. The Extreme E race series uses hydrogen generators as a clean way of creating electrical power to charge its battery-powered SUV race cars.

The problem is that the underlying battle is between two types of energy provider – electricity grid suppliers versus oil and gas companies. The latter are generally in favor of hydrogen because currently most of it is made out of their methane or coal. They also want to maintain their financial model of forcing consumers and industrial customers to go somewhere to pay for fuel, rather than having it supplied to their homes and businesses. Electricity providers, in contrast, want to sell more electricity wherever it can be supplied.

The question should be “which is greenest?” The main component of this is that governments realize where hydrogen is best used and invest accordingly. The EU is refocusing its hydrogen push away from personal mobility, but not transportation entirely. There are some valid possibilities here, but in all except some very specialized situations hydrogen has almost no reason to be used.

Cars are very much not one of those valid possibilities, which is why those who still promote this are starting to sound like a cult. As the Agora Energiewende report concludes, “Just a decade ago, fuel-cell electric cars seemed to be the future of the automotive industry. Today, the dream is over.”

Follow me on Twitter or LinkedIn. Check out my website.

I am the editor of independent electric vehicle website WhichEV. I have over 25 years’ experience as a technology journalist and a life-long love of cars, so

Source: Hydrogen Is Not A Fuel, It’s A Cult

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A Group of Big Businesses is Backing a Carbon Tax. Could It Be a Solution to Climate Change?

The long list of big companies backing a carbon tax as a solution to climate change grew this week with financial giant J.P. Morgan Chase & Co. endorsing a legislative plan billed as a centrist approach to reducing emissions.

The announcement comes as the Climate Leadership Council (CLC), the organization behind the proposal, which was first released in 2017, redoubles efforts to promote the plan before an expected introduction in Congress as the conversation around various climate solutions heats up in Washington.

The CLC announced new backers—including former Energy Secretary Ernest Moniz and former UN climate chief Christiana Figueres—and released internal poll numbers showing bipartisan voter support for the plan. Supporters now include a broad coalition of companies, from oil giants like ExxonMobil to tech behemoths like Microsoft, major environmental groups like Conservation International, and a range of economists and political leaders.

“The markets can and will do much to address climate change,” David Solomon, CEO of Goldman Sachs, a founding member of the CLC, told TIME in an emailed statement. “But given the magnitude and urgency of this challenge, governments must put a price on the cost of carbon.”

The thinking behind the plan is straight forward. Economists have long argued that a carbon tax, which makes companies pay for what they pollute and gives them an incentive to stem carbon emissions, is the most efficient way to reduce such emissions. But carbon tax proposals have been met with opposition in the past from across the political spectrum, including from some Democrats, in large part because they increase energy costs. The CLC proposal would give the money collected by the tax back to taxpayers in the form of a quarterly dividend, an effort to make it more politically palatable.

On Feb. 13, the CLC provided additional details about the plan, including introducing a new mechanism that would rapidly increase the price on carbon if targets are not met. Backers say the plan will cut U.S. emissions in half by 2035. “We think it has a compelling economic logic,” says Janet Yellen, the former chair of the Federal Reserve and a backer of the plan, in an interview.

But despite the growing coalition, actually passing the plan remains a challenging uphill battle. While more and more Republicans have stopped denying the science of climate change, many continue to insist that they would never support anything resembling a carbon tax. Meanwhile, many leading Democrats, including presidential candidate Senator Bernie Sanders of Vermont, have downplayed the role a carbon tax might play in future climate legislation. Many Democrats argue that the time has passed for such a market-driven approach to climate change, arguing that they are too little, too late and that a corporate-backed plan shouldn’t be trusted.

Still, big corporations increasingly see a carbon tax—especially a proposal like the CLC plan—as the simplest solution to a thorny problem. With clear science, activists in the streets and voters experiencing extreme weather events in their own backyards, business leaders see new climate rules as all but an inevitability, if not at the U.S. federal level then in states or other countries where they have operations.

The CLC proposal offers a business-friendly approach: nixing many existing climate regulations, a “border carbon adjustment” that would create a fee on imports from countries without a carbon price, and a dividend system that pays out the revenue collected by the carbon tax back to taxpayers. “If we do one without the other,” says Shailesh Jejurikar, CEO of Procter & Gamble’s Fabric & Home Care division, “it doesn’t work.”

Still, even as more than a dozen Fortune 500 firms support the legislation, many other businesses and influential business groups continue to either oppose a carbon tax or haven’t taken a position at all. That’s particularly true of the fossil fuel industry’s trade groups like the American Petroleum Institute, which officially has no position. Even though major oil companies like ExxonMobil and Shell have joined the CLC initiative, independent oil companies, oil refiners and other related companies remain largely opposed.

One of the biggest challenges to this measure—or any carbon tax for that matter—is the growing interest in other approaches to climate legislation. Republicans this week pushed legislation to plant trees and expand tax incentives for capturing carbon, measures that wouldn’t match the scale of the challenge but allow Republicans to offer a different message on the issue.

Earlier this month, Representative David McKinley, a Republican from West Virginia, and Kurt Schrader, an Oregon Democrat, called for legislation that would lead to an 80% reduction in emissions from the power sector by 2050 using a combination of regulation and funding for innovation and infrastructure. And more than 30 Democratic senators introduced a bill to require the Environmental Protection Agency to come up with a plan for the U.S. to eliminate its carbon footprint by 2050. “This is the quickest way we can jumpstart government-wide climate action,” Senator Tom Carper of Delaware, who introduced the legislation, said on the Senate floor.

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None of these measures are likely to become law anytime soon, and any legislative approach to addressing climate change will involve intense debate on Capitol Hill.

Even some backers of the carefully crafted CLC plan acknowledge it’s not likely to pass in its current form. “Inevitably, Congress will have some of its own ideas in terms of the implementation,” Moniz, who endorsed the CLC proposal this week, tells TIME.“ “I would welcome seeing that negotiation start in earnest.” Indeed, even having a discussion in Congress indicates a new climate for climate in Washington.

By Justin Worland February 13, 2020

Source: A Group of Big Businesses is Backing a Carbon Tax. Could It Be a Solution to Climate Change?

A revenue neutral carbon tax would automatically encourage consumers and producers to shift toward energy sources that emit less carbon. Carbon taxes are economically efficient because they make people pay for the costs they create. And a revenue neutral carbon tax would keep the government from using new revenue to subsidize other programs. For more information, visit the PolicyEd page here: https://www.policyed.org/intellection…. Additional resources: Read “Why We Support a Revenue-Neutral Carbon Tax” by George P. Shultz, Gary S. Becker, available here: https://hvr.co/2uMzTTl Read why enacting a carbon tax would free up private firms to find the most efficient ways to cut emissions in “A Conservative Answer to Climate Change” by George P. Shultz and James A. Baker III, available here: https://on.wsj.com/2loUAhM Read “There Is One Climate Solution That’s Best For The Environment – And For Business” by George P. Shultz and Lawrence H. Summers, available here: https://wapo.st/2JRoLJv Watch as George P. Shultz, James A. Baker III, and Henry Paulson discuss “Is There Deal Space for Carbon Pricing In 2017?” Available here: https://hvr.co/2NHPF90 Listen as George Shultz joins The World Today to explain why he supports a carbon tax, available here: https://ab.co/2ObRBYN John Cochrane discusses George P. Shultz and James A. Baker III oped “A Conservative Answer to Climate Change.” Availabler here: https://bit.ly/2LMPdpF Read “Let the Carbon-Dividends Debate Begin” by George P. Shultz and Ted Halstead, available here: https://bit.ly/2O95UNH Visit https://www.policyed.org/ to learn more. – Subscribe to PolicyEd’s YouTube channel: http://bit.ly/PolicyEdSub – Follow PolicyEd on Twitter: http://bit.ly/PolicyEdTwit – Follow PolicyEd on Instagram: http://bit.ly/PolicyEdInsta

Huge Battery Investments Drop Energy-Storage Costs Faster Than Expected, Threatening Natural Gas

The global energy transition is happening faster than the models predicted, according to a report released today by the Rocky Mountain Institute, thanks to massive investments in the advanced-battery technology ecosystem.

Previous and planned investments total $150 billion through 2023, RMI calculates—the equivalent of every person in the world chipping in $20. In the first half of 2019 alone, venture-capital firms contributed $1.4 billion to energy storage technology companies.

“These investments will push both Li-ion and new battery technologies across competitive thresholds for new applications more quickly than anticipated,” according to RMI. “This, in turn, will reduce the costs of decarbonization in key sectors and speed the global energy transition beyond the expectations of mainstream global energy models.”

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RMI’s “Breakthrough Batteries” report anticipates “self-reinforcing feedback loops” between public policy, manufacturing, research and development, and economies of scale. Those loops will drive battery performance higher while pushing costs as low as $87/kWh by 2025. (Bloomberg put the current cost at $187/kwh earlier this year.)

“These changes are already contributing to cancellations of planned natural-gas power generation,” states the report. “The need for these new natural-gas plants can be offset through clean-energy portfolios (CEPs) of energy storage, efficiency, renewable energy, and demand response.”

New natural-gas plants risk becoming stranded assets (unable to compete with renewables+storage before they’ve paid off their capital cost), while existing natural-gas plants cease to be competitive as soon as 2021, RMI predicts.

RMI analysts expect lithium-ion to remain the dominant battery technology through 2023, steadily improving in performance, but then they anticipate a suite of advanced battery technologies coming online to cater to specific uses:

Heavier transport will use solid-state batteries such as rechargeable zinc alkaline, Li-metal, and Li- sulfur. The electric grid will adopt low-cost and long-duration batteries such as zinc-based, flow, and high-temperature batteries. And when EVs become ubiquitous—raising the demand for fast charging—high-power batteries will proliferate.

Many of these alternative battery technologies will leap from the lab to the marketplace by 2030, the report predicts.

Some of these changes will be driven outside the U.S., specifically in countries like India, Indonesia and the Philippines that prefer smaller vehicles. Read More: Why The U.S. Will Lag Behind The Global Transition To Electric Vehicles.

RMI analyzed the four major energy-storage markets—China, the U.S., the European Union and India—and found two major trends that apply to each: 1) “Mobility markets are driving the demand and the cost declines,” and 2) “the nascent grid storage market is about to take off.”

China dominates the market for electric vehicles and solar photovoltaic technologies, thanks to early, large and consistent investment. The RMI report notes that China also has an advantage in upstream ore processing, critical materials and component manufacturing.

The report does not, however, explore what happens should China weaponize those advantages in the trade war, restricting or embargoing imports of critical materials to the U.S.

“An expanded trade war looms large over all industries and the entire global economy and is not in the interest of either the U.S. or China, and it is unproductive to speculate on the potential scope or outcomes of a battery or minerals-related action,” two of the report’s four authors, Charlie Bloch and James Newcomb, told me in an email.

“China is no doubt aware of the long-term economic opportunity associated with being a reliable manufacturer of batteries and the risk that escalating trade war actions by either side could damage the US-China economic relationship in this important area.”

They added that manufacturers, investors, start-ups, and government officials are taking steps to mitigate the potential impact of such a risk, such as continued development of low- and no-cobalt batteries chemistries.

For more about China’s hold on critical minerals, read 4 Reasons The Developed World Is In Big Trouble With Critical Minerals.

9 Worries That Keep The Natural-Gas Magnates Awake At Night

Forbes Jeff McMahon

Follow me on Twitter or LinkedIn. Check out my website.

I’ve covered the energy and environment beat since 1985, when I discovered my college was discarding radioactive waste in a dumpster. That story ran in the Arizona Republic, and I have chased electrons and pollutants ever since, for dailies in Arizona and California, for alternative weeklies including New Times and Newcity, for online innovators such as The Weather Channel’s Forecast Earth project, The New York Times Company’s LifeWire syndicate, and True/Slant—the prototype for the new Forbes. I’ve wandered far afield—to cover the counterrevolutionary war in Nicaragua, the World Series Earthquake in San Francisco, the UN Climate Change Conferences in Copenhagen and Paris. I also teach journalism, argument and scientific writing at the University of Chicago. Email me here: jeffmcmahon.com/contact-jeff-mcmahon/

Source: Huge Battery Investments Drop Energy-Storage Costs Faster Than Expected, Threatening Natural Gas

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