IEA Report Appears to Acknowledge 2050 Net Zero May Be Beyond US

PV MagazineJuly 2, 2020381

Summary:

The International Energy Agency released a report that says the COVID-19 has pushed back the USA’s quest for Net-Zero-Carbon by 2050.

Main Article:

IEA Report Appears to Acknowledge 2050 Net Zero May Be Beyond US

Perhaps the most sobering aspect of the technology innovation report published today by the International Energy Agency (IEA) is how the advent of Covid-19 appears to have quietly pushed back the deadline for combating global heating.

Under the ‘sustainable development scenario’ outlined in today’s Special Report on Clean Energy Innovation, the IEA considers the technological advancement required to reach a net-zero-carbon world by 2070, rather than the 2050 s**t-or-bust deadline outlined in so many previous publications. Reaching net zero in 50 years’ time would give us a 66% chance of limiting the global average temperature rise to 1.8 degrees Celsius, is the chastening conclusion reached.

Enabling less-than-zero-carbon technology at scale beyond that point, however, could give us a chance of the dreamed-of 1.5 degrees Celsius ambition this century. And that is the point of the 185-page study, to consider the rate of clean energy technological innovation required to hit such goals. For example, under the sustainable development track, the IEA estimates almost 35% of the emissions savings required would have to come from technologies currently at the large prototype and demonstration stages. Around 40% would have to come from tech which has already been developed but is not yet commercially available.

Coronavirus

Covid-19 and its potentially pivotal role – for better or ill – figures largely in the report, which also studies two divergent scenarios: a ‘faster innovation case’ required to deliver the net-zero-by-2050 aim you may have considered the minimum requirement before this publication, and a ‘reduced innovation case’ which touches on the potential knock-on effects of a global hit to R&D caused by the coronavirus and its expected economic slump.

The pace of innovation required in the more optimistic of those two futures is daunting, posited as it is on a doubling of velocity from concept to mass adoption. For instance, two hydrogen-based steelmaking plants would need to be built monthly from now to 2050 to keep emissions reductions on track, plus a Tesla Gigafactory each month too, to keep up with lithium-ion battery demand. Technologies at the demonstration and large prototype phase would have to hit the market within six years, including electrolytic, hydrogen-based ammonia to fuel vessels, and faster learning would be required for battery manufacturing, electric vehicle (EV) smart charging infrastructure and advanced battery chemistries, especially for heavy duty transport.

The IEA concedes in the study: “There is little or no precedent for the required pace of innovation in the Faster Innovation Case.”

Promise

It may not prove just a pipe dream however, with, for example, concept-stage lithium-air batteries and small-prototype lithium-sulfur devices offering a realistic prospect of achieving the tripling of battery cell gravimetric energy density required to keep that 2050 target within reach.

On the other side of the coin, a five-year, Covid-related hit to R&D spending on EVs, for example, would drive 2.5Gt of CO2 emissions by 2040 due to reduced take-up, according to the IEA. That would lead to a 20% reduction in cumulative battery production by that stage, equating to 34 fewer gigafactories’ worth and driving an 8% increase in average battery costs by 2025, compared to the sustainable development scenario.

Where does solar fit in all this? Not surprisingly, the cost reductions and learning curve associated with PV solar panels are cited as an inspiration, even if the time taken to go from the first solar panel, in 1954, to market maturity is a cautionary tale. Lithium-ion battery and, especially, LED light adoption rates offer hope the evolution of small, modular technologies is still accelerating.

Global reset

Electric vehicles have deeply penetrated the market in just six years in Norway, following a longer struggle in the U.S. That does not mean, the IEA points out, nations should sit and wait for the cost benefits of later adoption, although the example used to illustrate the point may ring hollow in Germany. “Companies in Germany and Japan became market leaders,” states the report, “in producing solar PV panels and Li-ion batteries, respectively, and in selling expertise in developing supply chains.”

The report urges governments around the world to take the once-in-a-lifetime opportunity to reset offered by Covid-19 by deploying green economic recovery packages, and cited the shining example of the more-than-$90 billion American Recovery and Reinvestment Act rolled out in the States in 2009, in the wake of the last economic crisis. “Make support for distressed companies conditional on commitments from them on clean energy innovation,” demands the study.

Governments must target R&D activity into areas that desperately need to catch up, such as low-carbon fuels for heavy duty vehicles, and should exploit crossover benefits – here dubbed ‘spillovers’ – as South Korea is attempting to do with its battery, PV solar panel and electronics cluster. Progress should be monitored, as it already is in Canada and Italy, where governments collect data on private-sector R&D channels, and whole supply chains must be supported to prevent uneven development such as the lack of flexible smart grids which is hampering further PV solar panel deployment.

Policymakers should ensure the state shoulders infrastructure investment in such smart grids and hydrogen-ready gas networks, to provide the risk-free basis for private capital-backed innovation to flourish.

One of the final appeals of the IEA report is for multilateral co-operation and knowledge-sharing in order for us to have the best hope of hitting that innovation cycle maximum velocity. At a time when international relations appear to be accelerating in the opposite direction, elections such as the U.S. vote in November may never have had such global significance.

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