The build out of wind and solar in the U.S. â to rise from 165GW today to over 500GW in 2035 â will overwhelmingly happen in the open spaces of rural America, explains Kevin Brehm at RMI. It should result in a major boost to stagnating communities. The $82bn/year of clean energy investment will take second spot to the current three big rural spends: highways ($90bn), water utilities ($57bn) and mass transit ($45bn). By 2030 rural clean energy … [Read more...]
Green or Blue Hydrogen: cost analysis uncovers which is best for the Hydrogen Economy
Blue hydrogen is created from fossil sources, where the carbon emissions are captured and stored. Green hydrogen is made from non-fossil sources and favoured by policy makers who are wary of keeping the fossil economy going, even with CCS. As more regions commit to hydrogen, finding the right cost-optimal mix is crucial to its success. Schalk Cloete summarises his paper that models the whole system based on Germany. Integrating hydrogen will … [Read more...]
Chinese energy institutes present new net-zero scenarios for 2050
It was just one sentence, in September, from Chinaâs President Xi Jinping: âWe aim to have CO2 emissions peak before 2030 and achieve carbon neutrality before 2060.â Already, leading Chinese energy institutes have presented two scenarios that lay out what needs to be done to meet that goal. Writing for Carbon Brief, Lauri Myllyvirta reviews the plans. Both aim for over 85% of all energy and more than 90% of electricity coming from non-fossil … [Read more...]
Battery innovation must drive the 50-fold increase in storage capacity needed by 2040
The IEA has set the storage sector a challenge. It says the world will need 10,000 GW-hours of batteries and other forms of energy storage by 2040, a 50-fold increase on today. The good news is that a joint study by the European Patent Office and the IEA reveals electricity storage patenting activity has grown 14% a year over the past decade. Here the IEA summarises the findings of its comprehensive report. It explains that Japan and Korea lead, … [Read more...]
Analysis shows Wind and Solar costs will continue to fall dramatically throughout the 2020s
Michael Taylor at IRENA has summarised its latest studies that show how the cost of renewables are set to continue declining dramatically through to 2030. We all know how those costs declined in the last ten years. Going forward, the weighted average cost of electricity in the G20 countries from offshore wind could fall by almost 50% by 2030 from 2019 levels, onshore wind by around 45%, utility-scale solar PV by up to 55% and concentrated solar … [Read more...]
WEO 2020 means updated price predictions to 2040: Oil, Gas, Coal, Renewables, Power
The combined effect of the global lockdown, more ambitious climate policies and the rise of renewables will have a significant effect on European power prices up to 2040, as well as the sales revenues of renewable energies. Carlos Perez-Linkenheil at Energy Brainpool uses their Power2Sim model to look at the data in the IEAâs latest World Energy Outlook 2020 and make quantitative forecasts. The pandemic has caused structural distortions to the … [Read more...]
The IEAâs World Energy Outlook 2020 at a glance
This month the IEA published its annual flagship World Energy Outlook (WEO). Simon Göss at Energy Brainpool picks out his highlights. This yearâs WEO has four scenarios, two of them new: an updated âStated Policies Scenarioâ (STEPS: what governments have promised), the new âDelayed Recovery Scenarioâ (DRS: due to Covid), an updated âSustainable Development Scenarioâ (SDS: whatâs needed to meet the Paris targets), and the new âNet Zero Emissions … [Read more...]
Europe has enough Gas infrastructure. Why build more?
In early November a first vote is expected in the European Parliament on the Recovery & Resilience Facilityâs âŹ672.5bn budget. Esther Bollendorff at CAN Europe runs through the arguments against providing any funding for new gas infrastructure. She presents evidence to show that the EU is already oversupplied with gas import capacity, and all new fossil gas transmission projects have been rejected by the market since 2017. Solar and wind … [Read more...]
ELCC: how to measure grid stability as renewables are added
We cannot just swap 24/7 fossil fuel power plants for intermittent renewables. To prevent electricity shortfalls the capacity of a solar or wind plant must exceed that of the fossil fuel plant it replaces. But by how much? Thatâs the question that the Effective Load Carrying Capability (ELCC) metric is designed to answer. Itâs not a new concept, but is now becoming very important. Mark Specht at the Union of Concerned Scientists explains the … [Read more...]
World Energy Outlook 2020: IEA responds to some difficult questions
The IEA has issued an FAQ to try to answer some persistent questions and criticisms about their annual World Energy Outlooks (WEO). How come the growth of solar and wind have been consistently underestimated? When is âpeak oilâ going to happen? Will the IEAâs Sustainable Development Scenario limit the global temperature rise to 1.5 °C this century? Is it realistic? Why has a âNet Zero Emissions by 2050â (NZE2050) pathway been added this year? Do … [Read more...]
Will Germanyâs âEEGâ energy law amendments make renewable targets harder to meet?
Germanyâs Renewable Energy Sources Act (Erneuerbare-Energien-Gesetz/EEG), now 20 years old, is under discussion as a new amendment is supposed to come into force on January 1st 2021. Simon Göss at Energy Brainpool takes a detailed look at the highlights, including the new and higher targets, the financial role of municipalities, clean electricity subsidies, and solar and wind tender volumes. He explains there has been serious criticism of the … [Read more...]
No more âoffsettingâ: Google commits to 24/7 locally sourced carbon-free electricity by 2030
By âoffsettingâ fossil electricity consumed at one data centre through buying green power from somewhere else, Google has been 100% renewable since 2017. But offsetting always has its flaws. In this case, 40% of Googleâs actual power still comes from fossil fuels. Googleâs new plan, to be 100% green 24/7 straight off the local grid, is designed to solve that. It will also send market signals to increase clean capacity locally, not just where you … [Read more...]
Grid scale Battery costs are declining faster than Wind and Solar
Gas as a transition fuel for grids may be around for a lot less time than we thought. We already know that large batteries, if they are cheap enough, can replace gas plants to provide peaking power to grids reliant on intermittent wind and solar. Bruce Robertson at IEEFA says the numbers are showing battery costs declining even more rapidly than wind and solar. Precisely because of that increased competitiveness Australiaâs AGL Energy is starting … [Read more...]
Will Saudi Arabia build the worldâs largest green hydrogen and ammonia plant?
The Gulf is already a major producer and consumer of hydrogen, mainly for fertilisers and specialty chemicals. Like most hydrogen produced globally, it is the âgreyâ kind made from hydrocarbons. But the regionâs low renewable power costs and abundance of land give it the key components for the industrial scale production of green hydrogen. So in July, the Saudi model city of Neom (Neom means ânew futureâ) and ACWA Power signed a joint venture … [Read more...]
Europe could have subsidy-free Offshore Wind by 2023
A study has analysed offshore wind projects in 5 countries â the UK, Germany, Denmark, the Netherlands and Belgium â to show that wind farms due to be built after 2020 are converging towards a range of âŹ50-70/MWh. It wasnât long ago that such low prices were only predicted for 2050, say Iegor Riepin, Felix MĂŒsgens (Brandenburg University of Technology), Malte Jansen and Iain Staffell (Imperial College London), writing for Carbon Brief. To make … [Read more...]
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