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Topic: Coal

[Episode #122] – Hybrid Power Plants

May 27 2020

Mini Episode

The days of worrying about the intermittency of solar and wind farms are quickly receding into the past as battery storage systems are added to existing plants, and new renewable plants are increasingly equipped with large battery storage systems from the outset as so-called “hybrid” power plants. In fact, 25% of all new solar PV plants waiting to connect to bulk power systems are now hybrid plants incorporating battery systems, and on the California wholesale power market, 96% of solar PV and 75% of wind projects launched in 2019 were paired with batteries. All at prices that beat the cost of conventional power plants.

But figuring out the best way to deploy utility-scale battery storage systems isn’t just a matter of dispatchability and system balancing. In fact, it turns out that tax credit incentives and market rules are far more significant determinants. That’s one finding of a new research paper led by several researchers at the Lawrence Berkeley National Laboratory, who modeled various ways of pairing battery storage systems with utility-scale wind and solar farms. In this episode, we explore the details of this modeling with one of the paper’s authors and speculate that it might actually be better to deploy large scale storage systems independently of wind and solar farms, if market rules were more supportive of the strategy.

Geek rating: 8

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[Episode #120] – Carnage in the Oil Patch

Apr 29 2020

Mini Episode

The coronavirus shutdown has taken a huge bite out of demand for oil since everyone has been forced to stay home. Exacerbated by a pricing war between Saudi Arabia and Russia, oil prices have crashed to levels not seen in nearly two decades, and oil producers are losing money hand over fist. Not only will this oil crash have wide-ranging effects on the oil industry, it will also have huge impacts on the budgets of oil-exporting countries, the economy as a whole, and the prospects for energy transition.

Can the world get past the economic impacts of the coronavirus? If it does, will oil demand recover to previous levels, or will it be permanently reduced? Which oil producers will survive this period, and which ones will go bankrupt and be swallowed up by larger rivals? And how much market share might the rivals of oil—especially rivals like electric vehicles—pick up in the aftermath of the shutdown?

To help us sort through this incredibly complex picture, Bloomberg’s Liam Denning returns to the show for a 90-minute deep dive into oil prices, supply, demand, the outlook for the world’s producers, and the outlook for the world in this episode.

Geek rating: 7

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[Episode #115] – Wildfire and Transition in Australia

Feb 19 2020

Mini Episode

Australia’s out-of-control wildfires in recent months have captured the world’s attention and raised serious questions about how climate change is affecting the continent, whether the country’s leadership is taking appropriate action to address climate risk, and what the future holds for its unique weather patterns and ecosystem.

But Australia is one of the most fossil-fuel dependent countries in the world, which makes it politically difficult to face the reality of its climate risk, and how its own activities are increasing that risk. So in this episode we invited a longtime journalist and researcher, based in Sydney, who works in research, strategy, and communications around climate change and finance, to help us understand the political, economic, and climate context of Australia at this moment, and to understand how the wildfires are influencing the trajectory of energy transition there. She reveals a country delicately balanced somewhere between hope and despair, with political leadership in thrall to the fossil fuel industry, and a populace eager to pursue energy transition and reduce its exposure to climate risk.

Geek rating: 1

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[Episode #114] – Cyber and Climate Risks

Feb 5 2020

Mini Episode

As energy transition progresses and more internet-connected distributed energy resources (DERs) join the grid, they increase the grid’s flexibility and dynamism, but they also expose those systems to the risk of being hacked. What kinds of protections do we need to have as grid modernization proceeds and more and more devices in the so-called “internet of things” (IoT) become part of the grid ecosystem? Should we be encouraging the adoption of smart, interconnected devices at all? Or would we be better off using devices that were not connected to communication systems in any way, to better ensure their security? And what are the relationships between cybersecurity on the grid, and the effects of climate change?

Our guest in this episode is a cybersecurity expert with the Idaho National Laboratory, part of the US Department of Energy, who provides strategic guidance on topics at the intersection of critical infrastructure security and resilience to senior U.S. and international government and industry leaders. He’s a longtime expert in this domain with a deep and wide set of relevant expertise, and you’re sure to learn a lot in this conversation about things that you probably didn’t even know existed, but that are intimately connected with grid security, climate change, and energy transition. Open your mind wide for this one – it’s a doozy!

Geek rating: 9

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[Episode #113] – Coal Plant Self-Scheduling

Jan 22 2020

Mini Episode

Owners of uneconomic coal plants in the US have tried many ways to keep operating, even when it is not profitable to do so, such as out-of-market subsidies and re-regulation (as we discussed in Episode #41), bailouts and wholesale market controls (as we discussed in Episode #70), and seeking capacity payments or other novel payments for alleged reliability (as we discussed in our trilogy of shows on decarbonizing power markets, Episodes #90, #97, and #105).

But there’s another tactic, variously known as “self-committing” or “self-scheduling,” and it happens when a utility that owns a coal-fired power plant elects to operate the plant no matter what the going rate for power is, even if that price is below its operating costs. Fully regulated utilities oftentimes can pass the costs of operation onto their customers even when they’re electing to run at a loss, without having to go to the trouble of asking for additional cost recovery from a regulator, or getting a legislator or wholesale market operator to give them a handout in one form or another. And it all happens more or less invisibly to customers and regulators. Only a researcher with a sharp eye and expert knowledge of what to look for would even detect these uneconomic operations, such as our guest in this episode.

Geek rating: 8

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[Episode #112] – Climate Science Part 11 – Climate Confusion

Jan 8 2020

Mini Episode

What do the various emissions scenarios published by the IPCC really mean? Is the worst-case RCP8.5 scenario “bollox,” as some have asserted, or it useful? Are we already doomed to experience seven feet of sea level rise and five degrees Celsius of warming globally, or is there still a chance that we can limit warming to two degrees? And if so…how likely is it that we can hit that target? How much can our energy transition efforts, both now and in the foreseeable future, do to mitigate that warming? Should our scenarios err on the side of being too extreme to account for unknown feedback effects and tipping points that may come in the future, or should we try to be as accurate as possible with our modeling, given the available data and scientific tools?

In this 11th part of our miniseries on climate science, we attempt to answer these questions and help our listeners sort out the various perspectives, from the tame to the apocalyptic, that feature in the current debates about our climate future. We hope that it will leave you with a much better understanding of what the climate scenarios really mean, how likely they are, and what the actual trajectory of climate change might be. We’re not out of the woods by any means, but our prospects may be better than you think!

View all parts of The Energy Transition Show mini-series on climate at: https://energytransitionshow.com/climatescience

Geek rating: 9

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[Episode #111] – No Coal in our Christmas Stockings

Dec 25 2019

Mini Episode

New energy modeling on the U.S. states of Colorado and Minnesota offers some exciting and even startling insights: It can save everyone money to transition our power generation off of fossil fuels and onto wind, solar, and storage. And moving space and domestic hot water heating onto the power grid by switching to heat pumps, and moving transportation onto the power grid by switching to electric vehicles, will only increase the savings for all consumers—even those who don’t own a car will benefit from transitioning our fleets to EVs. In fact, the more we decarbonize, the more money it will save everyone, the more jobs will be created, and the closer we will get to addressing the climate challenge. Tune into this discussion with energy modeler extraordinaire Christopher Clack for all the exciting details in this special Christmas Day episode.

Geek rating: 6

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[Episode #110] – Death Toll for Petrol

Dec 11 2019

Mini Episode

Electric vehicles have many fairly well-known advantages over conventional, petroleum-fueled vehicles. But what most people are yet to realize is the massive energetic advantage an EV can have when powered by renewables over a conventional vehicle powered by oil. In fact, an EV powered by wind or solar can deliver six to seven times as much mobility as a typical car powered by gasoline. This startling finding implies that in the long run, oil prices would need to drop drastically for conventional cars to remain competitive with EVs running on renewables. In fact, the price of oil would have to fall far below the current breakeven price for producing it. In other words, it could mean the end of growth in oil demand. In this episode, we take a deep dive into all the numbers involved in this fascinating analysis by a veteran sell-side analyst with BNP Paribas. Oil producers and automakers ignore these findings at their peril.

Geek rating: 9

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[Episode #106] – Transition in South Africa

Oct 16 2019

Mini Episode

South Africa is one of the most coal-dependent countries in the world, with abundant (if low-grade) coal resources, a grid that is almost entirely powered by coal, an industrial base that is powered by coal, and a huge fiscal dependence on coal exports. And it’s debt-laden state-owned power company is not only in need of repeated bailouts, but is also now ruining the country’s credit rating. But South Africa also has excellent wind and solar resources, enabling renewable projects to easily beat coal on price. So one would think that energy transition there is a no-brainer. But the picture is actually much more complex, having more to do with politics than technology or economics.

So we turned to Jesse Burton, an energy policy researcher in the Energy Systems Research group at the University of Cape Town and a senior associate at the London-based think tank E3G to help us understand the current reality, and the future potential, of energy in South Africa. Join us as she leads us on a fascinating tour of a country that has one of the highest proportional carbon footprints today, but could be the poster child of energy transition in the future.

Geek rating: 5

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[Episode #104] – 4-Year Anniversary Show

Sep 18 2019

Mini Episode

In this anniversary episode, we welcome back Jonathan Koomey to talk about some of the interesting developments and raucous debates we have seen over the past year. We’ll be talking about the flawed concept of “committed emissions” and how we should be calculating future emissions instead; we’ll expand that discussion and critique the conflicting stories that we’ve been hearing about the expectations for coal usage and emissions in India; we’ll review some of the efforts to execute so-called “just transitions” in coal country; we’ll take a little excursion into a recent raging dialogue on Twitter about RCP8.5 which had its genesis in the PhD thesis of our producer, Justin Ritchie, which we explored in Episode #49; we’ll move on from there to discuss the communication challenges around climate change science, and what’s wrong with the kind of hysterical journalism being practiced by writers like David Wallace-Wells in his book The Uninhabitable Earth; we’ll take a look at Jon’s latest research on the energy demands of Bitcoin mining; we’ll consider the rapid deployment of utility-scale storage and what that might mean for the future of the grid; we’ll review Jon’s update of global energy intensity data and ask what it all means; and we’ll wrap it up with another look at the energy transition modeling work of Christian Breyer’s team at Lappeenranta University of Technology in Finland, which we explored in Episode #95.

Geek rating: 6

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