The current situation

The current situation in our cartoon country is as follows. Transport (of both humans and stuff) uses 40 kWh/d per person. Most of that energy is currently consumed as petrol, diesel, or kerosene. Heating of air and water uses 40 kWh/d per person. Much of that energy is currently provided by natural gas. Delivered electricity amounts to 18kWh/d/p and uses fuel (mainly coal, gas, and nuclear) with an energy content of 45kWh/d/p. The remaining 27kWh/d/p goes up cooling towers (25kWh/d/p) and is lost in the wires of the distribution network (2 kWh/d/p). The total energy input to this present-day cartoon country is 125kWh/d per person.

current consumption losses in conversion to electricity

Electrical things: 18 kWh/d

Heating: 40 kWh/d

Transport: 40 kWh/d future consumption consumption breakdowns

Figure 27.1. Current consumption per person in "cartoon Britain 2008" (left two columns), and a future consumption plan, along with a possible breakdown of fuels (right two columns). This plan requires that electricity supply be increased from 18 to 48 kWh/d per person of electricity.

Electrical things: 18 kWh/d

Electricity: 18 kWh/d i efficiency i efficiency

Electricity: 12 kWh/d

Pumped heat: 12 kWh/d

Electricity: 12 kWh/d

Pumped heat: 12 kWh/d

Solar HW: 1 kWh/d efficiency

Biofuel: 2 kWh/d

Transport: 20 kWh/d

Electricity: 18 kWh/d

2008

2050

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