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Energy Externalities Day 9: Solar Thermal or Concentrated Solar Power (CSP)

Energy Externalities Day 9: Solar Thermal or Concentrated Solar Power (CSP)

With solar thermal, I am beginning to wander further away from systems where I have a reasonable grasp of their operation. There are two main classes of concentrated solar power (CSP) namely parabolic mirrors that focus solar energy onto a pipe filled with water that raises steam and a central tower configuration where an array of mirrors focusses the Sun’s energy onto a central tower, raising steam to drive a turbine (inset image).

Note Ivanpah CSP plant in the USA covers 1,420 ha (3,500 acres) is rated at 329 MW gross and cost $2.2 billon to build.

The Externalities of Energy Production Systems (Day 1 Coal)
Energy Externalities Day 2: Gas-fired-CCGT
Energy Externalities Day 3: Biomass-Fired-Electricity
Energy Externalities Day 4: Nuclear Power
Energy Externalities Day 5: Wind Power
Energy Externalities Day 6: Hydroelectric Power
Energy Externalities Day 7: Solar Photo Voltaics
Energy Externalities Day 8: Diesel

I am proposing to use 12 metrics to measure costs and benefits:

  • Fatalities / year / unit of energy produced
  • Chronic illness years / year / unit of energy produced
  • Environmental costs not covered directly by the system operators
  • Foot print of energy system per unit of energy produced
  • Energy system costs where energy source transfers costs to the transmission system
  • Energy system benefits where energy source provides a service to the transmission system
  • Environmental benefits derived from energy system operation
  • Taxes raised / year / for total energy produced
  • Subsidies paid / year / for total energy produced
  • Tax free cost of energy
  • EroEI
  • Resource availability

For the following 12 electricity generating systems

  • Coal-fired (Monday 19 March)
  • Gas-fired (Tuesday 20 March)
  • Biomass-fired
  • Diesel
  • Nuclear
  • Hydro electric
  • Wind
  • Solar PV
  • Solar thermal
  • Wave
  • Tidal
    • barrage
    • lagoon
    • stream
  • Geothermal

…click on the above link to read the rest of the article…

Olduvai IV: Courage
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Olduvai II: Exodus
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