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Blackouts, Black Starts, and Blame Games
4 Articles
4 Articles
In the case of sunshine and wind, electricity is generated in abundance. This reduces prices and makes the further expansion of these energy sources uneconomic. A dangerous gap arises.
Blackouts, black starts, and blame games
By Phil Kreveld An alternating current electricity grid is a high wire act. Everything is fine until wobbles make it lose its balance. There are two states in an electricity grid: one, where the sum of all active and reactive power, whether generated or consumed, is a zero sum (Tellegen’s theorem); the other stable state is the blackout—nothing being generated or consumed, and also a zero sum. The first state mentioned is the equivalent of the h…
At dawn in Spain’s solar parks, an ironic challenge arises. The very success of the country’s energy transition — renewables now supply 59% of the generation, compared to 40% in 2018 — has created a new series of complexities that threaten to undermine its sustainability, according to a recent DNV report. The 196-hour record negative electricity prices recorded in 2024, along with the 527 hours at zero prices, not only represent a market anomaly…
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