The head of the International Energy Agency warned that Europe may have only "six weeks or so" of jet fuel left if oil supplies remain blocked by the Iran war and the Strait of Hormuz stays disrupted. The Associated Press reports: IEA Executive Director Fatih Birol painted a sobering picture of the global repercussions of what he called "the largest energy crisis we have ever faced," stemming from the pinch-off of oil, gas and other vital supplies through the Strait of Hormuz. "In the past there was a group called 'Dire Straits.' It's a dire strait now, and it is going to have major implications for the global economy. And the longer it goes, the worse it will be for the economic growth and inflation around the world," he told The Associated Press. The impact will be "higher petrol (gasoline) prices, higher gas prices, high electricity prices," said Birol, speaking in his Paris office looking out over the Eiffel Tower. Economic pain will be felt unevenly and "the countries who will suffer the most will not be those whose voice are heard a lot. It will be mainly the developing countries. Poorer countries in Asia, in Africa and in Latin America," said the Turkish economist and energy expert who has led the IEA since 2015. But without a settlement of the Iran war that permanently reopens the Strait of Hormuz, "Everybody is going to suffer," he added. "Some countries may be richer than the others. Some countries may have more energy than the others, but no country, no country is immune to this crisis," he said.

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Longtime Slashdot reader AmiMoJo shares a report from the Guardian: Households will be called on to boost their consumption of Great Britain's record renewable energy this summer to help balance the power grid and lower energy bills. Under the new plans, people could be encouraged to run dishwashers and washing machines or charge up their electric vehicles when there is more wind and solar power than the electricity grid needs. The plan will be delivered with the help of energy suppliers, which may choose to offer heavily discounted or free electricity to their customers during specific periods when the energy system operator predicts there will be a surplus of electricity. Many suppliers already offer more than 2 million households the opportunity to pay lower rates for electricity used during off-peak hours but this will be the first time that the system operator will use this tool to help balance the grid. The National Energy System Operator (Neso) hopes that by issuing a market notice to call on energy users to increase their consumption it can avoid making hefty payments to turn wind and solar farms off when demand for electricity is low, which are ultimately paid for through energy bills.

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An anonymous reader quotes a report from the Wall Street Journal: Rivian is joining with Redwood Materials to reuse EV batteries for energy storage -- the largest repurposed-battery energy storage system for an automotive manufacturer in the U.S., executives told The Wall Street Journal. Redwood Materials is a battery-recycling firm started by Tesla co-founder JB Straubel. Once completed later this year, Rivian's plant in Normal, Ill., will draw electricity from more than 100 Rivian EV batteries in an area the size of a small parking lot. It will reduce Rivian's dependence on the power grid during peak demand hours. "It saves Rivian money on what it takes to run the plant. It reduces the demand on the grid, which is great," Rivian Chief Executive Officer RJ Scaringe said in an interview. In the Rivian project, the batteries will come from either its test vehicles or from vehicles that have viable batteries but can no longer drive. Those batteries get sent off to Redwood, which integrates them into power storage units. Both companies declined to specify the cost of this project. The setup is expected to initially provide 10 megawatt-hours of energy, equivalent to about 1,000 home-energy battery storage units linked together, Redwood's Straubel said. "These batteries are already built," he said. "We need to integrate them and connect them together, but that can happen quite fast. They don't have to get imported from some other place." [...] Scaringe said that while branching into battery energy storage systems is "not a focus for us as a business right now," Rivian hopes to do more at its sites with Redwood. "There's hopefully a lot more, and there's going to be a lot of batteries we'll have access to," he said.

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