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Electricité
Small modular reactors (SMRs) have been the subject of endless hype in recent years but in fact, no SMRs have ever been built, none are being built now and in all likelihood none will ever be built because of the prohibitive costs. SMRs are defined as reactors with a capacity of 300 megawatts (MW) or less with serial factory production of reactor components (or ‘modules’). No SMRs have been built, but dozens of small (<300 MW) power reactors have been built in numerous countries, without factory production of reactor components.
Policy-makers seeking to limit the impact of coal electricity-generating units (EGUs, also known as power plants) on air quality and climate justify regulations by quantifying the health burden attributable to exposure from these sources. We defined “coal PM2.5” as fine particulate matter associated with coal EGU sulfur dioxide emissions and estimated annual exposure to coal PM2.5 from 480 EGUs in the US. We estimated the number of deaths attributable to coal PM2.5 from 1999 to 2020 using individual-level Medicare death records representing 650 million person-years. Exposure to coal PM2.5 was associated with 2.1 times greater mortality risk than exposure to PM2.5 from all sources. A total of 460,000 deaths were attributable to coal PM2.5, representing 25% of all PM2.5-related Medicare deaths before 2009 and 7% after 2012. Here, we quantify and visualize the contribution of individual EGUs to mortality.
Electrical blackouts like the ones in California are becoming more common. So are heat waves. A new study published in the journal of the National Institute of Health attempts to predict what will happen when both occur at the same time.
Read the latest news headlines and analysis about politics, sports, business, lifestyle and entertainment from award winning Irish and British journalists.
Wind and solar reached a record 12% of global electricity in 2022, and power sector emissions may have peaked.
Climate change is reducing output and raising safety concerns at nuclear facilities from France to the US. But experts say adapting is possible—and necessary.
En cette nouvelle année, il est indispensable de faire le bilan de la production d’électricité en 2022. Pour cela, nous comparerons l’Allemagne, souvent mise en avant par de nombreux politiques français pour son avance dans la transition énergétique, et la France, que ces mêmes politiques disent en retard. Attention, l’électricité ne représente que 20 à 25% de l’énergie consommée. De plus, l’empreinte carbone des habitants tient compte des importations (soit 50% pour un Français). Les émissions de CO2 présentées dans cet article ne concernent donc que celles liés à la production d’électricité.
As automakers around the world set bold targets for vehicle electrification, many in the industry are looking to nickel — an integral component of most lithium ion batteries — as a major hurdle.
Lithium extraction fields in South America have been captured by an aerial photographer in stunning high definition. But while the images may be breathtaking to look at, they represent the dark side of our swiftly electrifying world.
Rooftop solar panels are up to 79% cheaper than they were in 2010. These plummeting costs have made rooftop solar photovoltaics even more attractive to households and businesses who want to reduce their reliance on electricity grids while reducing their carbon footprints. But are there enough rooftop surfaces for this technology to generate affordable, low-carbon energy for everyone who needs it?
analysts including Ting Lu warned in a note, predicting China’s economy will shrink this quarter. Article assez incroyable sur les pénuries d'électricité en Chine.
Ranked by carbon intensity of electricity consumed (gCO₂eq/kWh) Cartographie de l’impact de l’électricité sur le climat
