Rooftop residential and utility solar exist at two ends of the scale. Is there a sweet spot between those two that can capture the advantages of small-scale (no transmission loss, grid resilience through distribution) and large (economies of scale, easy to invest in)? Yes, reports Laurie Stone of the Rocky Mountain Institute, and it’s being called Community-Scale Solar. More than a sweet spot, it can reach communities underserved by rooftop solar … [Read more...]
Archives for April 2019
Leaked German govt report: emissions target will be missed despite on-target renewables
A leaked draft of Germany’s Energiewende Progress Report 2019, due to be released by the economy ministry in May or June, predicts the country will miss its targets for reducing energy use and greenhouse gas emissions by wide margins. This is despite the inevitable emissions reductions due to the 2009 recession and being on track for renewables. If no other measures are taken Germany will reduce emissions by 33% by 2020, falling short of the … [Read more...]
More nuclear means more waste disposal: the options, science, engineering
Public concern about nuclear power goes beyond an accident at a live plant. What do we do with the nuclear waste? If nuclear is to grow to become a major replacement for oil and gas the question must be answered. James Conca reviews the different methods that have been seriously considered: shooting it into space, burying it in deep sea trenches or under ice sheets, transmutation, or simply digging it even deeper underground. … [Read more...]
From rooftop solar to carbon divestment, California leads the transition
California doesn’t wait for Washington. As America’s most populous state by far, it is behaving like a separate nation when it comes to climate policies. Tim Buckley, Director of Energy Finance Studies at IEEFA Australasia, says it has become a global leader in renewable energy. Renewables provided 34% of its total energy needs in 2018, and the business community sees economic success in further progress. The author runs through the highlights, … [Read more...]
Developing World: cashflow analysis shows gas, coal far more profitable than clean energy
80% of future energy infrastructure will be built in the developing world. Schalk Cloete has already written for us on the purely economic viability of developed world onshore wind, utility-scale solar PV, nuclear, natural gas and coal. He now presents his detailed cashflow analyses of the major generator technologies applied to the developing world. Because costs tend to be much lower the returns are higher. But gas and coal still easily … [Read more...]
World Bank fossil fuel funding still exceeds renewables
The World Bank is being criticised for still lending far more money to fossil fuels projects than renewables. Energy equals development, but this goes against their commitment to supporting clean energy in the developing world. The World Bank has disputed the magnitude of the difference. Their record needs to be made clear before COP25 in Santiago, Chile this December when the World Bank and other development banks must present their plans for … [Read more...]
SMR reactors: questions the “new nuclear” industry needs to answer
The new energy world is full of ambition about future developments, not least nuclear. At some point hard questions have to be asked and answered. Dan Yurman is asking questions about next generation Small Modular Reactors (SMRs). For example, why take on the unknown material and regulatory risk of SMRs over the known risks of proven LWRs? Which governments and/or investors will back the $500m needed to get an SMR into production? Where are the … [Read more...]
Children today must emit eight times less CO2 than their grandparents
No wonder young people have taken the reins of the climate demonstrations away from the adults. Zeke Hausfather at Carbon Brief shows that the global budget for avoiding warming of 1.5C or 2C has already been mostly used up. To put that in numbers, if children emit like their parents they’ll exhaust their carbon budget in just 9 years. It’s why emissions must peak in the next few years and then rapidly decline to hit the Paris targets. That’s … [Read more...]
Less politically centralised, can the EU remain a transition leader?
As a region the EU is a transition leader. Its primary energy consumption increased by only 0.2% in 2018 (globally it rose by 2.6%) and its CO2 emissions dropped by 1.7% (globally, up 1.7%). But the EU’s move towards greater “subsidiarity” and devolution of power, to counterbalance too much centralisation, has made it harder for the EU to act quickly and act big, says Lucien Chabason, Senior Advisor at the IDDRI. One example: how easily can … [Read more...]
PPA 2.0: future-proofing corporate energy funding
Power purchase agreements (PPAs) are a significant tool for funding the energy transition. Research by DNV GL suggests that, as renewable energy becomes more widespread, its price dynamics becomes more complex, and that matters to PPAs. Some governments are looking to phase out subsidies and feed-in tariffs, effectively softening their price guarantees. Also, as renewables generation grows, market prices can fall. Martijn Duvoort, Director Energy … [Read more...]
UK: Despite progress, 100% low-carbon is still a long way off
The UK transition is often cited as a success story. Coal’s contribution has dropped from 40% to 6%. Wind, solar and hydroelectric now generates more electricity than nuclear. Demand for electricity has also fallen. The carbon intensity of Britain’s electricity has almost halved, from over 500g of COâ‚‚ per kilowatt-hour in 2006 to under 270g in 2018. The National Grid now expects to be able to operate a zero-carbon electricity system by 2025. But … [Read more...]
Should electric vehicle drivers pay a mileage tax?
In the U.S., EV drivers don’t pay tax when they buy gasoline. That means EVs have reduced U.S. gasoline tax revenues by $250m annually. It’s only 1% of the total, but that’s because EVs are less than 1% of the vehicle stock. Clearly, as EV numbers increase, so will that lost revenue. As a result, several states are considering imposing a mileage tax on electric vehicle drivers to make up for it. And why not?! EVs are not carbon-zero (most … [Read more...]
Next generation nuclear: 25MW, smaller, safer, can be sited anywhere
Dan Yurman looks at plans for Small and Micro Nuclear Reactors. A UK report on Micros that generate 30MW says it’s an opportunity for the country to own the IP and export units that are simple in design, factory constructed and capable of being sited in remote locations. Given the rough ride nuclear can get, the report warns that progress will depend on political, regulatory and financial support. Meanwhile, in the US, Westinghouse will have a … [Read more...]
“Responsible” ESG investments hit $20tn, a quarter of the world’s professionally managed total
ESG (Environmental, Social and Governance) factors measure the sustainability and ethical impact of an investment. ESG includes the energy sector, and the amounts spent show it’s no longer just an ethical choice, says The Rocky Mountain Institute’s Todd Zeranski. It doesn’t just save the planet, it saves our pensions. Why? From regulatory penalties to the cost of climate clean-up, fossil fuel investments are getting too risky and expensive. Those … [Read more...]
1.5°C: IEA’s scenarios will fail, need urgent review says letter from experts, business leaders
The letter’s signatories – experts, business leaders, politicians and more - call on the IEA to make the 1.5°C target the central scenario in its highly influential annual World Energy Outlook. At present, its “New Policies Scenario” puts us on track for between 2.7°C and 3.3°C. That's a problem, because too many energy decision-makers cite it as an acceptable guide, making it a self-fulfilling prophecy. Even the “Sustainable Development … [Read more...]