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100% WWS Part 1: Jacobson’s New Study Displaces 99.7% Fossil Energy With Massive Savings December 20th, 2019 by Michael Barnard A small handful of years ago, Mark Z. Jacobson, Mark A. Delucchi and the team in Stanford released a study showing the electrical generation mix for 139 countries worldwide using wind, water, and solar (WWS), along with a few hangers-on. The usual suspects were up in arms immediately, as nuclear and carbon capture and sequestration were noticeably absent from the mix. 21 of them wrote a critique and fireworks ensued. Well, expect more fireworks. Jacobson and team have just released a new study covering 143 countries representing 99.7% of fossil fuel CO2 emissions. It’s an update and maintains the mix of technologies, omitting nuclear and CCS. Expect more pushback from people who don’t accept the empirical realities related to those technologies. My assessment of various aspects of the report will be broken down into three chunks of roughly equal size around specific subsets of the topic. The first covers the economics. The second covers interesting edge elements of storage and transmission, highlighting the inherently conservative approach the study takes in its projections. The third covers a couple of elements of the ongoing PR war over our necessary transformation away from fossil fuels and the inevitable dominance of renewables. This study comes out after the UN IPCC 1.5 degree Celsius reports, and along with the GND, that means it reflects 2030 targets more explicitly, with at least 80% WWS by that point. Fossil fuel lobbyists continue to appear in droves at climate conferences globally, spreading delays. Certainly COP25 ended poorly, in large part due to their ongoing efforts to create uncertainty and doubt where there is none. The approach I’ll take is to pull out specific quotes from the report and tear them apart a bit, providing context and what additional insights and color I’m able to. All quotes, unless otherwise stated, are from the newly published study. “WWS reduces end-use energy by 57.1%, aggregate private energy costs from $17.7 to $6.8 26 trillion/yr (61%), and aggregate social (private plus health plus climate) costs from $76.1 to $6.8 trillion/yr (91%) at a present value capital cost of ~$73 trillion. […] 38.3 percentage points are due to the efficiency of using WWS electricity over combustion; 12.1 percentage points are due to eliminating energy in the mining, transporting, and refining of fossil fuels; and 6.6 percentage points are due to end-use energy efficiency improvements and reduced energy use beyond those in BAU.” This pulls together text from early in the report with text from later. Let’s start with the end-use energy reduction portion of this and one of CleanTechnica’s favorite diagrams, possibly the most repeated image that isn’t a Tesla, LLNL’s energy flows. The important point that this graphic makes is that we throw away a lot of energy as we pull primary energy into our energy ecosystem, convert it to secondary forms of energy and then either use the entirety of the