Higher Energy
Curriculum/Energy Economics
Energy EconomicsLayer 54 min

Stranding Drivers

A coal plant built in 2015 with a 40-year expected lifetime may close by 2030 because solar undercuts it on price. That is stranding by market forces, not regulation. Five distinct drivers can strand fossil fuel assets, and they often compound.

Regulation imposes direct constraints: emission standards, carbon taxes, or outright bans (several countries have legislated coal plant closure dates). Falling renewable costs erode the economic case for fossil generation. When new solar is cheaper than existing coal's operating cost, the coal plant loses money every hour it runs. Demand shifts reduce fossil fuel consumption: EV adoption cuts gasoline demand; heat pump adoption cuts gas heating demand. Financial restrictions tighten capital access: banks refuse to lend, insurers refuse to cover, and investors divest from fossil assets. Physical climate risk damages infrastructure directly: coastal refineries face sea level rise and intensifying hurricanes.

Identify which driver matters most by sector. Coal power: falling renewables costs (already cheaper in most markets). Oil in transport: EV demand displacement (accelerating). Gas heating: heat pump adoption (early stage). Arctic drilling: financial restriction (insurance withdrawal).

Watch for compounding. A coal plant facing both cheap solar (market driver) and a new carbon tax (regulatory driver) closes faster than either force alone would dictate.

Can a fossil fuel asset be "stranded" even without any climate policy?

Market-driven stranding. Yes. U.S. coal retirements have been driven primarily by cheap gas and renewables, not by federal regulation. Market forces alone can make assets uneconomical.

Understanding which driver dominates in each sector clarifies where policy intervention accelerates stranding versus where markets are already doing it.


Question 1 of 2

U.S. coal generation fell from 50% to 16% of electricity between 2005 and 2023. The dominant stranding driver was:

No binding federal carbon regulation existed during most of this decline. Cheap shale gas and declining solar/wind costs made coal economically uncompetitive in wholesale markets.

The answer is A