Hydroelectric

Ann Arbor (Informed Comment) – The International Energy Agency’s report on electricity markets is out and it has some good news. Depending on how cold the winters are, the IEA expects renewable sources of energy to outstrip coal in 2024, and forever thereafter. It calls this change “structural.” That is, it isn’t a blip or […]

Climate Crisis

Humanity put out more C02 than Ever Before last Year, but Green Energy Kept the Annual Increase Small

Juan Cole

Ann Arbor (Informed Comment) – This is a bad news, good news story. Cathy Bussewitz at the Associated Press reports that carbon dioxide emissions reached an all-time high in 2022, of 36.8 gigatons. That is more CO2 spewed into the atmosphere by humanity in just one year than ever before. CO2 emissions were up nearly […]

Climate Crisis

Shrinking Glaciers threaten Chinese and Indian Energy Transitions

The Third Pole

By Alok Gupta ( Third Pole ) – As glaciers shrink and monsoon rainfall becomes more unpredictable due to climate change, uncertainty around the viability of hydropower projects in the Hindu Kush Himalayas is increasing. A recent study on the state of a glacier on the southeastern Tibetan Plateau raises questions about the region’s long-term water supply and […]

Batteries

Rapid Move to Wind and Solar Power would Save the world $12 Trillion: Oxford Study

Juan Cole

Ann Arbor (Informed Comment) – A transition away from fossil fuels to renewable sources of power by 2050 will save the world $12 trillion, according to a new study published in Joule by Oxford researchers Rupert Way, Matthew C. Ives, Penny Mealy, and J. Doyne Farmer. Oxford’s press release points out that the paper foresees […]

China

Death Knell for Big Carbon? Globally, All New Electricity Demand was Met by Renewables in first 1/2 of ’22, with Fossil Fuels Flat

Juan Cole

Ann Arbor (Informed Comment) – In the first half of 2022, there was no increase in the world’s use of fossil fuels, and all new electricity demand was met by renewables. The world is nearing a tipping point, estimated by the International Energy Agency to come in 2025, after which all new electricity demand will […]

Batteries

How 3 Gigawatts of Battery Power Plus Solar Saved California from Electricity Blackouts during the Heat Dome this Month

Juan Cole

Ann Arbor (Informed Comment) – In August 2020, California consumers suffered through a severe heat wave, responding by blasting their air conditioners. California had put in so much solar that by then that 34% of the state’s power came from wind and solar, and another 13.9% came from hydro. Nuclear still provided around 10% of […]

Batteries

California Milestone: State for First Time briefly Generates 103% of its Electricity from Renewables

Juan Cole

Ann Arbor (Informed Comment) – On one day in May, Lauren Sommer at NPR reported, California ran for several hours on 103% renewable electricity, which means it generated enough electricity from wind, solar, hydro, geothermal and battery to fulfill the entire needs of the state plus to be able to export a bit to neighboring […]

Climate Crisis

Southwest Megadrought: Climate-Driven Drop in Lake Powell could Leave Residents with no Water or Electricity

Cronkite News Arizona PBS

By Autriya Maneshni (Cronkite News ) PHOENIX – Water levels on Lake Powell, the second largest reservoir in the U.S., have dropped below 3,525 feet – a critical level that threatens water supplies and hydroelectricity for millions of people. The U.S. Bureau of Reclamation had predicted the threshold wouldn’t be reached until August. The reservoir’s […]

Climate Crisis

With undersea Nordlink, Norway and Germany act as Huge Renewable Batteries for Each other, Sharing Hydro and Wind

Clean Energy Wire

By Kerstine Appunn | – ( Clean Energy Wire ) – Germany is taking another step towards achieving a fully renewable power system by completing the first electric cable connection with Norway, heads of government and ministers from both states have said at the official launch event of NordLink. The green transformation cannot be achieved […]