Search results for: “power electronics”
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Power capacity of a typical home?
A typical home in the developed world currently has a 10kW maximum power capacity before tripping its circuit-breaker (although it varies). This could easily double in the energy transition, due to phasing back gas heating, gas cooking and the addition of home charging stations for electric vehicles.
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Sentient Energy: smart grid breakthrough?
This data-file is a technology review for Sentient Energy, assessing innovations in smart grids. Its technology can achieve energy savings via a combination of “Conservation Voltage Reduction” and “Volt-VAR optimization at the grid edge”. This also helps to integrate more solar and EV charging into power grids. We explain the technology.
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Power transmission: the economics?
This data-file captures the costs of AC power transmission, requiring a 1.5c/kWh spread to earn a 10% levered IRR on a new 100km and 1,000MW transmission line, with capex costs of $1.5/kW-km. These numbers are supported by backup tabs, tabulating the costs of recent projects and a full granular breakdown for the capex costs of…
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Peak power demand by region (and case studies)
This data-file tracks the timing and magnitude of peak power demand, across different grids in the North Hemisphere, with case studies. This matters for grid-planning, gas peakers and batteries. In the US, peak demand is typically driven by high AC loads in summer heatwaves. In Europe’s milder climate, only c10% of homes have AC, and…
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New energies: filter feeder?
The $1bn pa harmonic filter market likely expands by 10x in the energy transition, as almost all new energies and digital technologies inject harmonic distortion to the grid. This 17-page note argues for premiumization in power electronics, including around solar, and screens for who benefits?
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Global trade: imports and exports, by product, by region?
Global trade is set to hit a new peak of $33trn in 2024 (30% of global GDP), of which 70-80% is for goods and 20-30% is for services. This data-file disaggregates global trade by product by region, across c20 categories of energy, materials and capital goods, which we follow in our research, and which are…
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Battery degradation: causes, effects & implications?
This 14-page note offers five rules of thumb to maximize the longevity of lithium-ion batteries, in grid-scale storage and electric vehicles. The data suggest hidden upside in the demand for batteries, for lithium and high-quality power electronics, especially if batteries are to backstop renewables.
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Silicon carbide: faster switching?
Silicon carbide power electronics will jolt the energy transition forwards, displacing silicon, and improving the efficiency of most new energies by 1-10 pp. Hence we wonder if this disruptor will surprise to the upside, quintupling by 2027. This 12-page note reviews the technology, advantages, challenges, and who benefits?
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Power plants: average capacity?
This data-file aggregates granular data into the average capacity of different types of power plants: wind, solar, nuclear, gas, hydro, coal, biomass, landfill gas and geothermal. Energy transition is going to increase the number of inter-connections to the grid by 10-100x.
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Duck curves: US power price duckiness over time?
In solar-heavy grids, power prices trough around mid-day, then ramp up rapidly as the sunset. This price distribution over time is known as the duck curve. US power prices are getting 25-30% more ducky each year, based on some forms of measurement. Power prices are clearly linked to the instantaneous share of wind/solar in grids.
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