refactor!: remove economy from ecalc (#282)

* refactor!: remove economy from ecalc, i.e. remove tax, quota and price.

docs/docs/about/modelling/examples/advanced.md

@@ -8,7 +8,7 @@ This is a model very similar to [Simple example](/about/modelling/examples/simpl
 energy usage models and consumer systems, and the addition of a second installation.
 
 Both installations exports oil (`OIL_PROD`) and gas (`GAS_PROD`).
-The installations emits CO<sub>2</sub> and CH<sub>4</sub> that is subject to taxation and emission quotas.
+The installations emits CO<sub>2</sub> and CH<sub>4</sub>.
 
 The following is an example with one installation called `Installation A` and `Installation B`.
 
@@ -116,31 +116,24 @@ FACILITY_INPUTS:
 ## FUEL_TYPES
 In this example there are two [FUEL_TYPES](/about/references/keywords/FUEL_TYPES.md) - `fuel_gas` and `bad_fuel_gas`.
 These are used for Installation A and Installation B respectively.
-Here we also define emissions in CO<sub>2</sub> and CH<sub>4</sub>. Note that the two fuels have different prices,
-emissions factors and the same taxes and are defined:
+Here we also define emissions in CO<sub>2</sub> and CH<sub>4</sub>:
 
 ~~~~~~~~yaml title="model.yaml"
 FUEL_TYPES:
   - NAME: fuel_gas
-    PRICE: 1.5  # NOK/Sm3
     CATEGORY: FUEL-GAS
     EMISSIONS:
       - NAME: CO2
         FACTOR: 2.20 #kg/Sm3
-        TAX: 1.51 # NOK/Sm3
       - NAME: CH4
         FACTOR: 0.01 #kg/Sm3
-        TAX: 0.9 # NOK/Sm3
   - NAME: bad_fuel_gas
-    PRICE: 0.5  # NOK/Sm3
     CATEGORY: FUEL-GAS
     EMISSIONS:
       - NAME: CO2
         FACTOR: 5.0 #kg/Sm3
-        TAX: 1.51 # NOK/Sm3
       - NAME: CH4
         FACTOR: 0.01 #kg/Sm3
-        TAX: 0.9 # NOK/Sm3
 ~~~~~~~~
 
 ## MODELS
@@ -520,25 +513,19 @@ FACILITY_INPUTS:
 
 FUEL_TYPES:
   - NAME: fuel_gas
-    PRICE: 1.5  # NOK/Sm3
     CATEGORY: FUEL-GAS
     EMISSIONS:
       - NAME: CO2
         FACTOR: 2.20 #kg/Sm3
-        TAX: 1.51 # NOK/Sm3
       - NAME: CH4
         FACTOR: 0.01 #kg/Sm3
-        TAX: 0.9 # NOK/Sm3
   - NAME: bad_fuel_gas
-    PRICE: 0.5  # NOK/Sm3
     CATEGORY: FUEL-GAS
     EMISSIONS:
       - NAME: CO2
         FACTOR: 5.0 #kg/Sm3
-        TAX: 1.51 # NOK/Sm3
       - NAME: CH4
         FACTOR: 0.01 #kg/Sm3
-        TAX: 0.9 # NOK/Sm3
 
 MODELS:
   - NAME: generic_from_design_point_compressor_chart

docs/docs/about/modelling/examples/drogon.md

@@ -143,12 +143,10 @@ In this case, the installation uses a single fuel gas with a value of 1.23 NOK/S
 ~~~~~~~~yaml
 FUEL_TYPES:
   - NAME: fuel_gas
-    PRICE: 1.23
     CATEGORY: FUEL-GAS
     EMISSIONS:
       - NAME: CO2
         FACTOR: 2.416  #CO2/Sm3 fuel gas burned
-        TAX: 1.71 #NOK/Sm3 fuel gas burned
 ~~~~~~~~
 
 ## INSTALLATIONS
@@ -300,12 +298,10 @@ MODELS:
       INLET_TEMPERATURE: 19.3
 FUEL_TYPES:
   - NAME: fuel_gas
-    PRICE: 1.23
     CATEGORY: FUEL-GAS
     EMISSIONS:
       - NAME: co2_fuel_gas
         FACTOR: 2.416
-        TAX: 1.71
 INSTALLATIONS:
   - NAME: drogon
     CATEGORY: FIXED

docs/docs/about/modelling/examples/simple.md

@@ -5,7 +5,7 @@ description: A simple model with a single installation
 ---
 # Simple model example
 The following is an example with one installation called `Installation A` that exports oil (`OIL_PROD`) and gas (`GAS_PROD`).
-The installation emits CO<sub>2</sub> that is subject to taxation and emission quotas.
+The installation emits CO<sub>2</sub>.
 
 On this installation, the following components are identified:
 
@@ -109,20 +109,15 @@ FACILITY_INPUTS:
 ~~~~~~~~
 
 ## FUEL_TYPES
-In this example there is only one [FUEL_TYPES](/about/references/keywords/FUEL_TYPES.md) - `fuel_gas`. This has a price/value
-of 1.5 NOK/Sm<sup>3</sup> and the emissions we model with the fuel is CO<sub>2</sub>. The CO<sub>2</sub> factor
-is 2.19 kg CO2 per Sm<sup>3</sup> fuel gas burned. The CO<sub>2</sub> tax is set to 1.5 NOK/Sm<sup>3</sup>
-fuel gas burned, and it has a quota price of 260 NOK/ton.
+In this example there is only one [FUEL_TYPES](/about/references/keywords/FUEL_TYPES.md) - `fuel_gas`. The emissions we model with the fuel is CO<sub>2</sub>. The CO<sub>2</sub> factor
+is 2.19 kg CO2 per Sm<sup>3</sup> fuel gas burned.
 
 ~~~~~~~~yaml title="model.yaml"
 FUEL_TYPES:
   - NAME: fuel_gas
-    PRICE: 1.5  #NOK/Sm3
     EMISSIONS:
       - NAME: CO2
         FACTOR: 2.19 #CO2/Sm3 fuel gas burned
-        TAX: 1.5 #NOK/Sm3 fuel gas burned
-        QUOTA: 260 #NOK/ton
 ~~~~~~~~
 
 ## VARIABLES
@@ -356,12 +351,9 @@ FACILITY_INPUTS:
 
 FUEL_TYPES:
   - NAME: fuel_gas
-    PRICE: 1.5  # NOK/Sm3
     EMISSIONS:
       - NAME: CO2
         FACTOR: 2.19  # CO2/Sm3 fuel gas burned
-        TAX: 1.5  # NOK/Sm3 fuel gas burned
-        QUOTA: 260  # NOK/ton
 
 VARIABLES:
   hydrocarbon_export_sm3_per_day:

docs/docs/about/modelling/setup/file_format_and_syntax/index.md

@@ -21,9 +21,6 @@ Documentation about how to set up each of these fields are found here, respectiv
   reservoir variables.
 - [FACILITY_INPUTS](/about/references/keywords/FACILITY_INPUTS.md): List of input files from facility characterization. Typically, this can be
   characteristics for an element in a consumer system or characteristics for a generator set.
-  Also, if fuel price or/and CO<sub>2</sub> tax is of type `VARIABLE_FUEL_PRICE` or
-  `VARIABLE_EMISSION_TAX`, these files should also be put here. These are later used as input
-  to the energy functions for each consumer. Some may also be used as energy functions directly.
 - [FUEL_TYPES](/about/references/keywords/FUEL_TYPES.md): Defining the fuel types being used in the model and the corresponding
   emissions.
 - [MODELS](/about/references/keywords/MODELS.md): Used for multi-level models, one model may refer to other models from either

docs/docs/about/modelling/setup/fuel_types.md

@@ -12,9 +12,7 @@ This part of the setup specifies the various fuel types and associated emissions
 used in the model. Each fuel type is specified in a list and the defined fuels can later be referred to the 
 [INSTALLATIONS](/about/modelling/setup/installations/index.md) part of the setup by its name.
 
-A fuel type can have a fuel-cost [PRICE](/about/references/keywords/PRICE.md) associated with
-its use. The use of fuel can lead to one or more emission types, specified in [EMISSIONS](/about/references/keywords/EMISSIONS.md),
-which in turn can have associated costs.
+The use of fuel can lead to one or more emission types, specified in [EMISSIONS](/about/references/keywords/EMISSIONS.md).
 
 You can optionally specify a [CATEGORY](/about/references/keywords/CATEGORY.md).
 
@@ -23,11 +21,9 @@ You can optionally specify a [CATEGORY](/about/references/keywords/CATEGORY.md).
 FUEL_TYPES:
   - NAME: <name_1>
     CATEGORY: <category_1>
-    PRICE: <fuel price>
     EMISSIONS: <emissions data>
   - NAME: <name_2>
     CATEGORY: <category_2>
-    PRICE: <fuel price>
     EMISSIONS: <emissions data>
 ~~~~~~~~
 
@@ -38,26 +34,20 @@ fuels defined that can be used in your [INSTALLATIONS](/about/modelling/setup/in
 ~~~~~~~~yaml
 FUEL_TYPES:
   - NAME: fuel_gas # Name of this fuel, use this when referencing this fuel in the FUEL specification in the INSTALLATIONS part
-    PRICE: 1.5     # The price or sales value of the fuel
     EMISSIONS:
       - NAME: CO2  # Name of the emission type
         FACTOR: 2.15 # kg/Sm3
-        TAX: 1.51  # NOK/Sm3
-        QUOTA: 280 # NOK/ton
-     - NAME: CH4
-       FACTOR: 0.00091 # kg/Sm3
+      - NAME: CH4
+        FACTOR: 0.00091 # kg/Sm3
   - NAME: flare_gas
-    PRICE: 1.5
     CATEGORY: FUEL_GAS
     EMISSIONS:
       - NAME: CO2
         FACTOR: 2.73
-        TAX: 1.51
       - NAME: CH4
         FACTOR: 0.00024
   - NAME: diesel
     CATEGORY: DIESEL
-    PRICE: 9000  # NOK/m3
     EMISSIONS:
       - NAME: CO2
         FACTOR: 2.7085 # kg/l - input diesel usage in l/d

docs/docs/about/modelling/setup/time_series.md

@@ -14,7 +14,7 @@ cases, one might have several sources for reservoir and other relevant time seri
 
 For example, a field may have a reservoir simulation model for some areas and decline curves in other area of
 the reservoir. There may also be tie-ins which are affecting the energy/emissions on the field
-installations. Also, there may be time profiles for fuel prices, emission tax, etc.
+installations. Also, there may be time profiles for other variables.
 Therefore, a set of sources may be specified with a name, path to data and type. The name is
 later referred to in the system of energy consumers defined under [INSTALLATIONS](/about/references/keywords/INSTALLATIONS.md).
 

docs/docs/about/references/keywords/EMISSIONS.md

@@ -7,33 +7,19 @@
 
 | Required   | Child of                  | Children/Options                   |
 |------------|---------------------------|------------------------------------|
-| No         | `FUEL_TYPES`         | `FACTOR`  <br />  `NAME`     <br /> `QUOTA`   <br />    `TAX`        |
+| No         | `FUEL_TYPES`         | `FACTOR`  <br />  `NAME`            |
 
 
 ## Description
 In [EMISSIONS](/about/references/keywords/EMISSIONS.md) one or more emissions related to the use of fuel is specified as
 a list. Each emission entry is **required** to have a [NAME](/about/references/keywords/NAME.md) and a [FACTOR](/about/references/keywords/FACTOR.mdx).
 
-The costs associated with emitting typically have two cost elements:
-
-- a quota price [NOK/ton] (based on emission mass) and,
-- a tax price [NOK/Sm<sup>3</sup>] based on fuel gas volume.
-
-The names  and  are chosen due to the  CO<sub>2</sub> emissions quota price (based on CO<sub>2</sub> mass) and
-the Norwegian CO<sub>2</sub> tax
-
-In general,  will be multiplied with the calculated emission volume while 
-will be multiplied with the calculated fuel volume to obtain the resulting taxation.
-
-The economical parameters are optional.
 
 ## Format
 ~~~~~~~~yaml
 EMISSIONS:
   - NAME: <name>
     FACTOR: <factor>
-    TAX: <expression>
-    QUOTA: <expression>
 ~~~~~~~~
 
 ## Example
@@ -44,7 +30,5 @@ you write the following:
 EMISSIONS:
   - NAME: CO2
     FACTOR: 2.5  # [kg/Sm3]
-    TAX: 1.5  # [NOK/Sm3]
-    QUOTA: 240  # NOK/ton CO2
 ~~~~~~~~
 

docs/docs/about/references/keywords/EMITTER_MODEL.md

@@ -4,30 +4,26 @@
 [...] /
 [EMITTER_MODEL](/about/references/keywords/EMITTER_MODEL.md)
 
-| Required   | Child of                  | Children/Options                   |
-|------------|---------------------------|------------------------------------|
-| No         | `DIRECT_EMITTERS`         | `EMISSION_RATE`  <br />  `QUOTA`   |
+| Required   | Child of                  | Children/Options  |
+|------------|---------------------------|-------------------|
+| No         | `DIRECT_EMITTERS`         | `EMISSION_RATE`   |
 
 ## Description
 The emitter model specifies the data to calculate the direct emissions on an installation. This data is used to set up
 a function that may be evaluated for a set of time series and return a result including the emissions emitted and
 the related cost of the emissions.
 
-The [EMISSION_RATE](/about/references/keywords/EMISSION_RATE.md) describes the rate [kg/day] of emissions and
-[QUOTA](/about/references/keywords/QUOTA.md) specifies the cost of emission per rate of
-emission [NOK/kg]. Both are required.
+The [EMISSION_RATE](/about/references/keywords/EMISSION_RATE.md) describes the rate [kg/day] of emissions, and is required.
 
 ## Format
 ~~~~~~~~yaml
 EMITTER_MODEL:
   - EMISSION_RATE: <emission rate [kg/day]>
-    QUOTA: <emission cost per emission [NOK/kg]>
 ~~~~~~~~
 
 ## Example
 ~~~~~~~~yaml
 EMITTER_MODEL:
   - EMISSION_RATE: 4  # [kg/day]
-    QUOTA: 10  # [NOK/kg]
 ~~~~~~~~
 

docs/docs/about/references/keywords/FUEL_TYPES.md

@@ -7,9 +7,7 @@ This part of the setup specifies the various fuel types and associated emissions
 used in the model. Each fuel type is specified in a list and the defined fuels can later be referred to the 
 [INSTALLATIONS](/about/references/keywords/INSTALLATIONS.md) part of the setup by its name.
 
-A fuel type can have a fuel-cost [PRICE](/about/references/keywords/PRICE.md) associated with
-its use. The use of fuel can lead to one or more emission types, specified in [EMISSIONS](/about/references/keywords/EMISSIONS.md),
-which in turn can have associated costs.
+The use of fuel can lead to one or more emission types, specified in [EMISSIONS](/about/references/keywords/EMISSIONS.md).
 You can optionally specify a [CATEGORY](/about/references/keywords/CATEGORY.md).
 
 See [FUEL TYPES](/about/modelling/setup/fuel_types.md) for more details about usage.

docs/docs/about/references/keywords/REGULARITY.md

@@ -52,12 +52,10 @@ COMPRESSOR|☐|     Stream day      |
 
 ### Reporting
 
-- All fuel rates, tax and emission results are reported in calendar days.
+- All fuel rates are reported in calendar days.
 - All power and volume rates results are reported in stream day rates. Note that the volume rates are only present in the .json file.
 
-The reason for reporting calendar day rate is due to the economic interpretation, or rather the lack of economic
-interpretation when using fuel stream day rates. If we used stream day rates, we would in essence evaluate the process
-unit as if it was running all the time. Typically all process units have some down time, and regularity is
+The reason for reporting calendar day rate is to account for potential downtime for process units, i.e. some units may not run all the time throughout a year due to different reasons. Typically all process units have some downtime, and regularity is
 on average something closer to 0.99 over a longer period such as a year.
 
 ## Format