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Use daily temperature-based gas prices by default #191

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Merged
kodiobika merged 4 commits into from
Aug 27, 2026
Merged

Use daily temperature-based gas prices by default #191

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a431004
Change default GSw_GasPriceAdjMethod value to 2
kodiobika Aug 21, 2026
bf939a1
Update docs/source/model_documentation.md
kodiobika Aug 24, 2026
124834d
Specify default gas price behavior in model documentation
kodiobika Aug 24, 2026
7567d8b
Merge branch 'main' into ko/gas_price_adj
kodiobika Aug 27, 2026
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2 changes: 1 addition & 1 deletion cases.csv
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Expand Up @@ -143,7 +143,7 @@ GSw_GasCurve,"Select natural gas supply curve (0 = cendiv, 1 = national + cendiv
GSw_GasCC_H_1x1,Turn on/off both gas-CC_H_1x1 and gas-CC_H_1x1-CCS_mod/max plant options,0; 1,0,
GSw_GasCC_H_2x1,Turn on/off both gas-CC_H_2x1 and gas-CC_H_2x1-CCS_mod/max plant options,0; 1,0,
GSw_GasCT_Aero,Turn on/off gas-CT_aeroderivative technology option,0; 1,0,
GSw_GasPriceAdjMethod,"Select method for adjusting gas prices (0 = no adjustment, 1 = national wintertime markup, 2 = daily adjustments based on regional temperatures)",0; 1; 2,1,
GSw_GasPriceAdjMethod,"Select method for adjusting gas prices (0 = no adjustment, 1 = national wintertime markup, 2 = daily adjustments based on regional temperatures)",0; 1; 2,2,
GSw_GasRegionSmooth,Exponential decay length [km] to use when smoothing regional (census division) gas prices together (if 0 then no smoothing is applied and r:cendiv map is used 1:1),float,150,
GSw_GasSector,Select sector scope of gas curves,electric_sector; energy_sector,electric_sector,
GSw_GenMandate,Turn on/off national Gen Requirement. 2 turns on and applies constraint at busbar.,0; 1; 2,0,
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8 changes: 4 additions & 4 deletions docs/source/model_documentation.md
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Expand Up @@ -1691,14 +1691,14 @@ If `GSw_GasRegionSmooth` is set to 0, the 1:1 zone:census-division mapping in {n
```

The natural gas fuel prices also include time-based price adjustors.
The default option is a seasonal price adjustor, which makes winter prices higher than the natural gas prices seen during the other seasons of the year CONUS-wide.
For details, see the [Seasonal Natural Gas Price Adjustments section](#seasonal-natural-gas-price-adjustments) of the appendix.
The other option is a daily price adjustor, which adjusts prices in accordance with regional temperatures using coefficients developed through a linear regression analysis regressing daily heating and cooling degree days on daily deviations of natural gas spot prices from their annual averages.
The default option is a daily price adjustor, which adjusts prices in accordance with regional temperatures using coefficients developed through a linear regression analysis regressing daily heating and cooling degree days on daily deviations of natural gas spot prices from their annual averages.
For details, see the [Daily Natural Gas Price Adjustments section](#daily-natural-gas-price-adjustments) of the appendix.
The other option is a seasonal price adjustor, which makes winter prices higher than the natural gas prices seen during the other seasons of the year CONUS-wide.
For details, see the [Seasonal Natural Gas Price Adjustments section](#seasonal-natural-gas-price-adjustments) of the appendix.

```{admonition} Natural gas price adjustments
The switch `GSw_GasPriceAdjMethod` controls the choice of natural gas price adjustments.
0 = no adjustment, 1 = national wintertime markup, 2 = daily adjustments based on regional temperatures (default: 1)
0 = no adjustment, 1 = national wintertime markup, 2 = daily adjustments based on regional temperatures (default: 2)
```


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