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average household size=
4

Units: Person/Household

contact rate=
20

Units: Contact/Household/Year

conversion fraction=
0.01

Units: Household/Contact

conversions=
electric to non electric contacts * conversion fraction

Units: Household/Year

Electric Households= INTEG (
conversions+ fraction electric * net household additions,
       initial fraction electric * Total US Households)

Units: Household

electric to non electric contacts=
non electric contacts * fraction electric

Units: Contact/Year

fraction electric=
Electric Households/Total US Households

Units: Dmnl

household addition rate=
0.02

Units: 1/Year

initial fraction electric=
0.05

Units: Dmnl

initial households=
2e+007

Units: Household

net household additions=
Total US Households * household addition rate

Units: Household/Year

non electric contacts=
Non Electric Households * contact rate

Units: Contact/Year

Non Electric Households= INTEG (
- conversions + (1 - fraction electric) * net household additions,
       (1 - initial fraction electric) * Total US Households)

Units: Household

percent of US dwellings with electric power=
fraction electric * 100

Units: Dmnl

Total US Households= INTEG (
net household additions,
       initial households)

Units: Household

US population=
Total US Households * average household size

Units: Person

Note you will need to use the Choose Variable... button to enter initial value equations.

ØSave your model.
ØDouble click on the Runname editing box and type a name for the dataset, e.g. run1.
ØClick the Simulate button.