Showing posts with label WWS. Show all posts
Showing posts with label WWS. Show all posts

Saturday, November 21, 2015

Rapid Transition to a Clean World

100% clean and renewable wind, water, and solar (WWS)
all-sector energy roadmaps for 139 countries of the world

[ click here for explanatory video of above image ]
Above image is from an excellent study by Jacobson et al., showing that it is technically feasible and economically attractive to shift to clean energy facilities between now and 2050. This will create net jobs worldwide. It will avoid millions of air-pollution mortalities and avoid trillions of dollars in pollution and global warming damage. It will stabilize energy prices and reduce energy poverty. It will make countries energy independent and reduce international conflict over energy. It will reduce risks of large-scale system disruptions by significantly decentralizing power production.

Given that there are so many benefits and there are no technical and economic barriers to complete a 100% shift by the year 2050 (and 80% by 2030), why not make an even faster transition?

Sam Carana suggests that feebates, especially when implemented locally, can best facilitate the necessary shift. Moreover, when energy feebates are implemented jointly with feebates in further areas, greenhouse gas emissions could be cut by 80% by 2020, while soils, atmosphere and oceans could be restored to their pre-industrial status over the course of the century.

[ the above emission cuts and feebates images were used in a meanwhile dated 2011 post ]
To achieve the most effective and rapid shift, Sam Carana recommends implementing two types of feebates, i.e. energy feebates and further feebates such as fees on sales of livestock products while using the revenues to fund rebates on soil supplements containing biochar.

Sam Carana adds that further lines of action will be needed to prevent Earth from overheating, warning that comprehensive and effective action is needed as described in the Climate Plan.

The image below shows that a shift to 100% clean (WWS) energy by 2050 (80% by 2030) could reduce CO2 to ~350 ppmv by 2100.

[ from Jacobson et al. 2015 ]
Energy feebates are the most effective way to speed up the shift to clean energy. Further feebates could make additional cuts in greenhouse gases emissions, while also removing carbon from the atmosphere and oceans, allowing us to aim for bringing down carbon dioxide levels in the atmosphere to 280 ppmv by the year 2100.


- How Renewable Energy Could Make Climate Treaties Moot (2015)

- 100% Wind, Water, and Solar (WWS) All-Sector Energy Roadmaps for Countries and States

- The Solutions Project - 100% Renewable Energy

- Feebates

- Climate Plan

A new study by Jacobson et al. shows that it is technically and economically feasible to shift to clean energy...
Posted by Sam Carana on Saturday, November 21, 2015

Friday, June 27, 2014

Roadmap for Repowering California for all Purposes with Wind, Water, and Sunlight

A study by Mark Z. Jacobson et al. concludes that California’s power needs (electricity, transportation, heating/cooling, industry) can be met entirely by WWS technologies.

The necessary WWS (wind, water, and sunlight) technologies consist of wind turbines, concentrated solar power (CSP) plants, solar photovoltaic (PV) plants and rooftop systems, solar hot water heater systems, geothermal power plants, a few additional hydroelectric power plants, and a small amount of tidal and wave power.

Transportation will use battery electric vehicles (BEVs), hydrogen fuel cell vehicles (HFCVs), and hybrid BEV-HFCVs. The hydrogen, where needed, will be produced with electrolysis (i.e. with electricity). While using electrolytic hydrogen in transportation will generally be less efficient and more costly than using BEVs, there are some segments of transportation where hydrogen-energy storage may be preferred over battery-energy storage (e.g., ships, aircraft, long-distance freight).

High temperatures for industrial processes will be produced with electricity and hydrogen, with hydrogen again produced with electricity.

Electricity-powered air-source and ground-source heat pumps, geothermal heat pumps, and backup electric resistance heaters will be used for building heating and air conditioning. Air-source heat pump water heaters powered by electricity and solar hot water preheaters will provide hot water for buildings.

This roadmap can serve as a template for plans in other states and countries. The implementation of similar plans worldwide should essentially eliminate energy-related global warming and energy insecurity, while substantially reducing energy insecurity.

For more, go to: