Power grids: opportunities in the energy transition?
…40 Level 2 chargers (30-40kW) and 3 Level 3 fast-chargers (100-200kW), so our numbers ultimately have $100bn pa being spent on EV charging in 2025-50. But we wonder whether EV…
California curtailment: key numbers from 2021?
…the ‘best’ battery installations, which get to charge-discharge 360 days per year. Another 7% could be avoided by the next best battery installations, which get to charge-discharge c300 days per…
Road costs: economic model?
…there is no tax charge. Eliminating the tax charge boosts the IRR to 7.5% at the same road cost. Or alternatively, it reduces the ‘road cost’ by c10% for the…
MOSFETs: energy use and power loss calculator?
…MOSFET, with a range of 1-10% depending on voltage, switching, on resistance, operating temperature and reverse recovery charges. $449.00 – Purchase Checkout Added to cart MOSFETs and other power transistors matter, as…
Compressed air energy storage: costs and economics?
…generate a 10% IRR at a $1,350/kW CAES facility, with 63% round-trip efficiency, charging and discharging 365 days per year. As always, costs vary with WACCs, duration and the number…
Renewable grids: solar, wind and grid-scale battery sizing?
…modules and 3.5MW of lithium ion batteries with daily charging-discharging, in a location where every day is perfectly sunny, with no clouds, and no seasonality, for a total levelized cost…
Power cables: how much aluminium and copper?
…power transmission and fast-chargers for electric vehicles. $299.00 – Purchase Checkout Added to cart Our best estimate is that a typical EV fast-charger would most likely require over 100kg of copper cabling,…
Electrowinning: costs and energy economics?
Electrowinning costs and energy economics are built up in this data-file. A charge of $900/ton is required to earn a 10% IRR on a $3,000/kTpa plant with a median energy…
Ten Themes for Energy in the 2020s
We presented our ‘Top Ten Themes for Energy in the 2020s’ to an audience at Yale SOM, in February-2020. The audio recording is available below. The slides are available to…
Amprius: silicon anode technology review?
Amprius is commercializing a lithium-ion battery with a near-100% silicon anode, which has 80% higher energy density than conventional lithium and can achieve 80% charge rates within around 6-minutes. The…