Cost of nuclear power

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(CC) Image: Jessica Lovering
Fig.1 Add image caption here.[1]

Historical Costs

see Fig.1

Cost of new designs

ThorCon MSR:
$1200 per kW + $0.03 per kWh [2]

Cost of alternatives

Rooftop Solar (no batteries):

$2,900 per kW (nameplate), $11,600 per kW avg (25% Capacity Factor)

Wind Turbines

$770–$850 per kW (nameplate), down from $1800 in 2008.[3]
$3240 per kW avg (25% Capacity Factor)

Batteries:

Lead-Acid: $300 per kWh
Li-ion:

Hydrogen:

Worldwide hydrogen production stood at 90 Mt in 2020, but since it was produced almost exclusively from fossil fuels, the result was close to 900 Mt of CO2 emissions.[4]
"Green" hydrogen (no CO2) can be produced from water using electrolysis, but the cost is much higher.[5]

$2 per kg promised by mid 2020s[6]
$1 per kg ten-year goal set by DOE[7]
$0.12 per kWh electrical energy storage cost, assuming $2 per kg of H2, and 50% overall efficiency.[8]

Notes and References

  1. Fig.12 in Lovering 2016 "Historical construction costs of global nuclear power reactors" https://doi.org/10.1016/j.enpol.2016.01.011
  2. ThorCon's estimate of costs.
  3. DOE report 30 Aug 2021
  4. See the section "Hydrogen supplies are becoming cleaner … too slowly" in the IEA Global Hydrogen Review 2021.
  5. Depending on regional gas prices, the levelized cost of hydrogen production from natural gas ranges from $0.50 to $1.70 per kg. See the section "Low-carbon hydrogen can become competitive within the next decade" in the IEA Global Hydrogen Review 2021.
  6. Australian company Hysata, PV Magazine, Aug 2022.
  7. Department of Energy's "Hydrogen Shot"
  8. Energy density of H2 is 33 kWh/kg. ($2/kg / 33 kWh/kg / 50%) = $0.12/kWh.