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romainsacchi committed Aug 15, 2024
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Expand Up @@ -5,7 +5,7 @@ A series of transformations are applied to the Life Cycle Inventory (LCI) databa
and technology market shares with the outputs from the Integrated Assessment Model (IAM) scenario.

Mobile batteries
""""""""""""""""
================

Inventories for several battery technologies for mobile applications are provided
in *premise*. See EXTRACT/Import of additional inventories/Li-ion batteries for
Expand Down Expand Up @@ -132,7 +132,7 @@ under https://github.com/polca/premise/blob/master/premise/data/battery/scenari
Stationary batteries
""""""""""""""""""""
====================
Inventories for several battery technologies for stationary applications are provided:
Expand Down Expand Up @@ -217,7 +217,7 @@ market for battery capacity, stationary (TC scenario) GLO Vanadium R
capacity needed in high voltage electricity markets.
Biomass
"""""""
=======
Run
Expand Down Expand Up @@ -295,7 +295,7 @@ and transport it to the powerplant, but no other forestry-related burden is incl
Power generation
""""""""""""""""
================
Run
Expand Down Expand Up @@ -607,7 +607,7 @@ Regional electricity markets
----------------------------
High voltage regional markets
=============================
-----------------------------
*premise* creates high, medium and low-voltage electricity markets for each IAM region.
It starts by creating high-voltage markets and define the share of each supplying technology
Expand Down Expand Up @@ -668,7 +668,7 @@ ecoinvent). This is not ideal as it supposes that future country-specific
production volumes will remain the same in respect to one another.
High voltage regional markets for aluminium smelters
====================================================
----------------------------------------------------
Aluminium production is a significant consumer of electricity.
In the ecoinvent database, aluminium smelters are represented by
Expand Down Expand Up @@ -719,7 +719,7 @@ regional mixes defined by the International Energy Agency (IEA).
Storage
=======
-------
If the IAM scenario requires the use of storage, *premise* adds a storage
dataset to the high voltage market. *premise* can add two types of storage:
Expand All @@ -741,7 +741,7 @@ The efficiency of the H2-fed gas turbine is based on the parameters of Ozawa_ et
Medium voltage regional markets
===============================
-------------------------------
The workflow is not too different from that of high voltage markets.
There are however only two possible providers of electricity in medium
Expand All @@ -753,7 +753,7 @@ market to itself. Distribution losses are modelled the same way as for
high voltage markets and are added to the input from high voltage market.
Low voltage regional markets
============================
----------------------------
Low voltage regional markets receive an input from the medium voltage
market, as well as from residential photovoltaic power.
Expand Down Expand Up @@ -818,7 +818,7 @@ The rest of the modelling is similar to that of regular regional electricity
markets described above.
Original market datasets
========================
------------------------
Market datasets originally present in the ecoinvent LCI database are cleared
from any inputs. Instead, an input from the newly created regional market
Expand All @@ -840,14 +840,14 @@ regional market, which "includes" it in terms of geography.
============================================ =========== ================ ===========
Relinking
=========
---------
Once the new markets are created, *premise* re-links all electricity-consuming
activities to the new regional markets. The regional market it re-links to
depends on the location of the consumer.
Cement production
"""""""""""""""""
=================
The modelling of future improvements in the cement sector is relatively
simple at the moment, and does not involve the emergence of new
Expand All @@ -873,7 +873,7 @@ Run
ndb.update("cement")
Dataset proxies
+++++++++++++++
---------------
*premise* duplicates clinker production datasets in ecoinvent (called
"clinker production") so as to create a proxy dataset for each IAM region.
Expand All @@ -886,7 +886,7 @@ in different fields, such as that of *production volume*.
Efficiency adjustment
+++++++++++++++++++++
---------------------
*premise* then adjusts the thermal efficiency of the process.
It does so by calculating the technology-weighted energy requirements
Expand Down Expand Up @@ -939,7 +939,7 @@ at a fix emission rate of 525 kg CO2/t clinker.
Carbon Capture and Storage
++++++++++++++++++++++++++
--------------------------
If the IAM scenario indicates that a share of the CO2 emissions
for the cement sector in a given region and year is sequestered and stored,
Expand Down Expand Up @@ -975,7 +975,7 @@ the 2018 IEA_ cement roadmap report.
ndb.generate_scenario_report()
Cement markets
++++++++++++++
--------------
Run
Expand Down Expand Up @@ -1004,15 +1004,15 @@ as well. These cement production datasets link the newly created
clinker production dataset, corresponding to their IAM region.
Clinker-to-cement ratio
+++++++++++++++++++++++
-----------------------
*premise* used to modify the composition of cement markets to reflect
a lower clinker content over time, based on external projections. This is
no longer performed, as it is not an assumption stemming from the IAM model,
but rather a projection of the cement industry.
Original market datasets
========================
------------------------
Market datasets originally present in the ecoinvent LCI database are cleared
from any inputs. Instead, an input from the newly created regional market
Expand All @@ -1035,15 +1035,15 @@ regional market, which "includes" it in terms of geography.
Relinking
+++++++++
---------
Once cement production and market datasets are created, *premise*
re-links cement-consuming activities to the new regional markets for
cement. The regional market it re-links to depends on the location
of the consumer.
Steel production
""""""""""""""""
================
Run
Expand Down Expand Up @@ -1071,7 +1071,7 @@ simple at the moment, and does not involve the emergence of new
technologies (e.g., hydrogen-based DRI, electro-winning).
Dataset proxies
+++++++++++++++
---------------
*premise* duplicates steel production datasets in ecoinvent for the
production of primary and secondary steel (called respectively
Expand All @@ -1086,7 +1086,7 @@ to using a rest-of-the-world (RoW) dataset to represent the IAM region.
in different fields, such as that of *production volume*.
Efficiency adjustment
+++++++++++++++++++++
---------------------
Regarding primary steel production (using BO-BOF), *premise* adjusts
the inputs of fuels found in:
Expand Down Expand Up @@ -1125,7 +1125,7 @@ provided by the IAM scenario.
by *premise*. Therefore, there is a large modelling uncertainty.
Carbon Capture and Storage
++++++++++++++++++++++++++
--------------------------
If the IAM scenario indicates that a share of the CO2 emissions
from the steel sector in a given region and year is sequestered and stored,
Expand All @@ -1150,7 +1150,7 @@ case of a steel mill.
Steel markets
+++++++++++++
-------------
*premise* create a dataset "market for steel, low-alloyed" for each IAM region.
Within each dataset, the supply shares of primary and secondary steel
Expand Down Expand Up @@ -1180,7 +1180,7 @@ furnace process (secondary steel).
Original market datasets
========================
------------------------
Market datasets originally present in the ecoinvent LCI database are cleared
from any inputs. Instead, an input from the newly created regional market
Expand All @@ -1203,15 +1203,15 @@ regional market, which "includes" it in terms of geography.
Relinking
+++++++++
---------
Once steel production and market datasets are created, *premise*
re-links steel-consuming activities to the new regional markets for
steel. The regional market it re-links to depends on the location
of the consumer.
Transport
"""""""""
=========
Run
Expand Down Expand Up @@ -1250,7 +1250,7 @@ are obtained by scaling down the current inventories based on the
vehicle efficiency improvements projected by the IAM scenario.
Trucks
++++++
------
The following size classes of medium and heavy duty trucks are imported:
Expand Down Expand Up @@ -1425,7 +1425,7 @@ of India.
================================================================= ============ ================ ===========
Direct Air Capture
""""""""""""""""""
==================
Run
Expand Down Expand Up @@ -1485,7 +1485,7 @@ and fuel markets, based on data from the IAM scenario.
Efficiency adjustment
+++++++++++++++++++++
---------------------
Biofuels
========
Expand Down Expand Up @@ -1543,7 +1543,7 @@ requirements, which are sourced from Bauer_ et al, 2022:
.. _Bauer: https://www.psi.ch/en/media/77703/download?attachment
Land use and land use change
++++++++++++++++++++++++++++
----------------------------
When building a database using IMAGE, land use and land use change emissions
are available. Upon the import of crops farming datasets, *premise* adjusts
Expand Down Expand Up @@ -1579,7 +1579,7 @@ CO2 emissions per kg of crop farmed are calculated as::
land_use_co2 = land_use_co2 [kg CO2/GJ] / 1000 [MJ/GJ] * LHV [MJ/kg]
Regional supply chains
++++++++++++++++++++++
----------------------
*premise* builds several supply chains for synthetic fuels, for each IAM
region. THe reason for this is that synthetic fuels can be produced from
Expand Down Expand Up @@ -1686,7 +1686,7 @@ Also, in this same case, electricity is used:
Fuel markets
++++++++++++
------------
*premise* builds markets for the following fuels:
Expand Down Expand Up @@ -1716,7 +1716,7 @@ data and the fuel markets is described under: https://github.com/polca/premise/t
the choice is made to supply it by truck over 500 km, in a gaseous state.
Influence of differing LHV on fuel market composition
=====================================================
-----------------------------------------------------
Because not all competing fuels of a same type have similar calorific values,
some adjustments are made. The table below shows the example of the market for
Expand Down Expand Up @@ -1753,7 +1753,7 @@ are modelled with the calorific value of conventional gasoline.
=================================================================== ========= =========== ===========
Heat
++++
====
Run
Expand Down Expand Up @@ -1799,7 +1799,7 @@ hardwood chips) relink to the dataset `market for biomass, used as fuel` if
CO2 emissions update
++++++++++++++++++++
--------------------
*premise* iterates through activities that consume any of the newly created
fuel markets to update the way CO2 emissions are modelled. Based on the fuel
Expand Down Expand Up @@ -1833,7 +1833,7 @@ new diesel market of the REMIND region for India.
Geographical mapping
""""""""""""""""""""
====================
IAM models have slightly different geographical resolutions and definitions.
Expand Down Expand Up @@ -2060,15 +2060,15 @@ implementation in the wurst_ library.
ZA R12_AFR South Africa AFR SSA SAF
ZM R12_AFR Africa_Southern AFR SSA RSAF
ZW R12_AFR Africa_Southern AFR SSA RSAF
=============== ================================= =============================== ======================== =========================== ========================
=============== ================================== =============================== ======================== =========================== ========================
The mapping between ecoinvent locations and IAM regions is available under the following directory:
https://github.com/polca/premise/blob/master/premise/iam_variables_mapping/topologies
Regionalization
"""""""""""""""
===============
Several of the integration steps described above involve the
regionalization of datasets. It is the case, for example, when introducing
Expand Down Expand Up @@ -2177,7 +2177,7 @@ Final Steps
GAINS emission factors
""""""""""""""""""""""
======================
Run
Expand Down Expand Up @@ -2295,7 +2295,7 @@ For questions related to GAINS modelling, please contact the respective GAINS te
* GAINS-IAM: https://gains.iiasa.ac.at/gains/IAM/index.login
Logs
""""
====
*premise* generates a spreadsheet report detailing changes made to the database
for each scenario. The report is saved in the current working directory and
Expand Down

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