diff --git a/REUSE.toml b/REUSE.toml index 4633211e..7fb6048e 100644 --- a/REUSE.toml +++ b/REUSE.toml @@ -13,3 +13,17 @@ SPDX-License-Identifier = "MIT" path = ["test/test_data/**",] SPDX-FileCopyrightText = "The technology-data authors" SPDX-License-Identifier = "CC-BY-4.0" + +[[annotations]] +path = [ + "src/technologydata/package_data/dea_energy_storage/*.json", "src/technologydata/package_data/schemas/*.json" +] +SPDX-FileCopyrightText = "The technology-data authors" +SPDX-License-Identifier = "CC-BY-4.0" + +[[annotations]] +path = [ + "src/technologydata/package_data/raw/Technology_datasheet_for_energy_storage.xlsx" +] +SPDX-FileCopyrightText = "The Danish Energy Agency" +SPDX-License-Identifier = "CC-BY-4.0" diff --git a/src/technologydata/package_data/dea_energy_storage/dea_energy_storage.py b/src/technologydata/package_data/dea_energy_storage/dea_energy_storage.py new file mode 100644 index 00000000..da178dc8 --- /dev/null +++ b/src/technologydata/package_data/dea_energy_storage/dea_energy_storage.py @@ -0,0 +1,691 @@ +# SPDX-FileCopyrightText: The technology-data authors +# +# SPDX-License-Identifier: MIT + +""" +Data parser for the DEA energy storage data set. + +How to run: + From the repository root, execute: + python src/technologydata/package_data/dea_energy_storage/dea_energy_storage.py + +Configuration options (command-line arguments): + --num_digits Number of significant digits to round the values. Default: 4 + --store_source Store the source object on the Wayback Machine. Default: False + --filter_params Filter the parameters stored to technologies.json. Default: False + +Example: + python src/technologydata/package_data/dea_energy_storage/dea_energy_storage.py --num_digits 3 --store_source --filter_params + +""" + +import argparse +import logging +import pathlib +import re +import typing + +import pandas as pd +import pydantic + +from technologydata import ( + Commons, + Parameter, + Source, + SourceCollection, + Technology, + TechnologyCollection, +) + +path_cwd = pathlib.Path.cwd() + +logger = logging.getLogger(__name__) + + +def drop_invalid_rows(dataframe: pd.DataFrame) -> pd.DataFrame: + """ + Clean and filter a DataFrame by removing rows with invalid or incomplete data. + + This function performs multiple validation checks to ensure data quality: + - Removes rows with None or NaN values in critical columns + - Removes rows with empty or whitespace-only strings + - Filters rows based on specific data integrity criteria + - Discards rows where 'val' column contains comparator symbols or non-numeric values + + Parameters + ---------- + dataframe : pd.DataFrame + The input DataFrame to be cleaned and validated. + + Returns + ------- + pd.DataFrame + A new DataFrame with invalid rows removed, maintaining data integrity. + + Notes + ----- + Validation criteria include: + - Non-empty 'Technology', 'par', and 'val' columns + - 'year' column containing a valid 4-digit year + - 'val' column containing only numeric values (no comparator symbols) + + """ + # Create a copy to avoid modifying the original DataFrame + df_cleaned = dataframe.copy() + + # Validate column existence + required_columns = ["Technology", "par", "val", "year"] + missing_columns = [col for col in required_columns if col not in df_cleaned.columns] + if missing_columns: + raise ValueError(f"Missing required columns: {missing_columns}") + + # Remove rows with None or NaN values in critical columns + df_cleaned = df_cleaned.dropna(subset=required_columns) + + # Remove rows with empty or whitespace-only strings + for column in required_columns: + df_cleaned = df_cleaned[df_cleaned[column].astype(str).str.strip() != ""] + + # Filter rows with valid year (4 consecutive digits) + df_cleaned = df_cleaned[ + df_cleaned["year"].astype(str).str.contains(r"\d{4}", regex=True) + ] + + # Remove rows with comparator symbols or without digits in 'val' column + df_cleaned = df_cleaned[ + (~df_cleaned["val"].astype(str).str.contains(r"[<>≤≥]", regex=True)) + & (df_cleaned["val"].astype(str).str.contains(r"\d", regex=True)) + ] + + return df_cleaned + + +@pydantic.validate_call +def clean_parameter_string(text_string: str) -> str: + """ + Remove any string between [] or [), any leading hyphen or double quotes from the input string. Lower-case all. + + Parameters + ---------- + text_string : str + input string to be cleaned. + + Returns + ------- + str + cleaned string with [] and [) and leading hyphen or double quotes removed. + + Examples + -------- + >>> clean_parameter_string("- Charge efficiency [%]") + charge efficiency + >>> clean_parameter_string("Energy storage capacity for one unit [MWh)") + energy storage capacity for one unit + + """ + # Remove leading hyphen + text_string = text_string.lstrip("-") + + # Remove content inside square brackets including the brackets themselves + result = re.sub(r"\[.*?\]", "", text_string) + + # Remove content inside square bracket and parenthesis including the brackets/parenthesis themselves + result = re.sub(r"\[.*?\)", "", result) + + # Remove extra spaces resulting from the removal and set all to lower case + result = re.sub(r"\s+", " ", result).strip().casefold() + + return result + + +@pydantic.validate_call +def clean_technology_string(tech_str: str) -> str: + """ + Clean a technology string by removing numeric patterns and standardizing case. + + This function pre-processes technology-related strings by: + - Removing three-digit numeric patterns (with optional letter) + - Stripping leading and trailing whitespace + - Converting to lowercase for case-insensitive comparison + + Parameters + ---------- + tech_str : str + Input technology string to be cleaned. + + Returns + ------- + str + Cleaned technology string with: + - Numeric patterns (like '123' or '456a') removed + - Whitespace stripped + - Converted to lowercase + + Raises + ------ + Exception + If string conversion or processing fails, logs the error and returns the original input. + + Examples + -------- + >>> clean_technology_string("143a Rock-based Carnot battery") + rock-based carnot battery + >>> clean_technology_string("Pit Thermal Energy Storage [PTES]") + pit thermal energy storage [ptes] + + """ + try: + # Remove three-digit patterns or three digits followed by a letter + return re.sub(r"^(\d{3}[a-zA-Z]?)", "", tech_str.strip()).strip().casefold() + except Exception as e: + logger.error(f"Error cleaning technology '{tech_str}': {e}") + return tech_str + + +@pydantic.validate_call +def format_val_number(input_value: str, num_decimals: int) -> float | None | typing.Any: + """ + Parse various number formats into a float value. + + Parameters + ---------- + input_value : str + The input number in different formats, such as: + - Scientific notation with "x10^": e.g., "2.84x10^23" + - Numbers with commas as decimal separators: e.g., "1,1" + num_decimals : int + Number of decimals + + Returns + ------- + float + The parsed numerical value as a float. + + Raises + ------ + ValueError + If the input cannot be parsed into a float. + + Examples + -------- + >>> format_val_number("1,1") + 1.1 + >>> format_val_numer("2.84×10-27") + 2.84e-27 + + """ + s = str(input_value).strip() + + # Handle scientific notation like "2.84x10^23" + match = re.match(r"([+-]?\d*\.?\d+)×10([+-]?\d+)", s) + if match: + base, exponent = match.groups() + return round(float(base), num_decimals) * (10 ** int(exponent)) + + # Replace comma with dot for decimal numbers + s = s.replace(",", ".") + try: + return round(float(s), num_decimals) + except ValueError: + raise ValueError(f"Cannot parse number from input: {input_value}") + + +@pydantic.validate_call +def extract_year(year_str: str) -> int | None: + """ + Extract the first year (integer) from a given input. + + Parameters + ---------- + year_str : str + Input value containing a potential year. + + Returns + ------- + int, None + Extracted first year. + + Examples + -------- + >>> extract_year('uncertainty (2050)') + 2050 + + """ + # Extract digits + digits = re.findall(r"\d+", year_str) + + # Convert to integer + return int(digits[0]) if digits else None + + +@pydantic.validate_call +def clean_est_string(est_str: str) -> str: + """ + Casefold the 'est' string, trim whitespace and replace `ctrl` with `control`. + + Parameters + ---------- + est_str : str + The input 'est' string to be cleaned. + + Returns + ------- + str + The cleaned 'est' string. + + Examples + -------- + >>> clean_est_string("Lower") + lower + >>> clean_est_string("ctrl") + control + + """ + if est_str == "ctrl": + cleaned_str = "control" + else: + cleaned_str = est_str.casefold().strip() + return cleaned_str + + +def standardize_units(series: pd.Series) -> pd.Series: + """ + Complete missing units based on parameter names and replace incorrect units. + + Parameters + ---------- + series : pandas.Series + A series containing two elements: [par, unit] + + Returns + ------- + pandas.Series + Updated series with completed and corrected unit. + + Notes + ----- + The following substitutions are driven by the `pint` documentation available + at https://github.com/hgrecco/pint/blob/master/pint/default_en.txt: + - "pct.": "percent", + - "m2": "meter**2", + - "m3": "meter**3", + + """ + par, unit = series + + # Mapping of parameters to their default units + param_unit_map = { + "energy storage capacity for one unit": "MWh", + "typical temperature difference in storage": "K", + "fixed o&m": "pct./year", + "lifetime in total number of cycles": "cycles", + "cycle life": "cycles", + } + + # Mapping of incorrect units to correct units + unit_corrections = { + "pct./period": "percent", + "⁰C": "C", + "°C": "C", + "pct./30sec": "pct.", + "m2": "meter**2", + "m3": "meter**3", + "MWhoutput": "MWh", + "hot/cold,K": "K", + "pct.investement": "percent", + "pct.investment": "percent", + "tank/": "", + "pct.": "percent", + } + + # Complete missing or empty units + if (not isinstance(unit, str)) or (unit.strip() == ""): + unit = param_unit_map.get(par, unit) + + # Replace wrong units + for incorrect, correct in unit_corrections.items(): + if incorrect == unit or incorrect in unit: + unit = unit.replace(incorrect, correct) + + return pd.Series([par, unit]) + + +def filter_parameters(dataframe: pd.DataFrame, filter_flag: bool) -> pd.DataFrame: + """ + Filter rows of a DataFrame by allowed technology parameters. + + Parameters + ---------- + dataframe : pandas.DataFrame + Input DataFrame containing at least a "Technology" column. + filter_flag : Boolean + If true, filter parameter `par` column + + Returns + ------- + pandas.DataFrame + The filtered DataFrame. The returned + DataFrame contains only rows where the `par` column is one of: + "technical lifetime", "fixed o&m", "specific investment", or + "variable o&m". + + """ + allowed_set = { + "technical lifetime", + "fixed o&m", + "specific investment", + "variable o&m", + "charge efficiency", + "discharge efficiency", + "capacity", + } + print("filter_flag", filter_flag) + if filter_flag: + # Filter the DataFrame based on the allowed set + df_filtered = dataframe[dataframe["par"].isin(allowed_set)].reset_index( + drop=True + ) + logger.info( + f"technologies.json contains a subset of the allowed parameters: {allowed_set}." + ) + else: + # Return the original DataFrame if filter_flag is False + df_filtered = dataframe + logger.info("All parameters are outputted to technologies.json") + return df_filtered + + +def build_technology_collection( + dataframe: pd.DataFrame, + sources_path: pathlib.Path, + store_source: bool = False, + output_schema: bool = False, +) -> TechnologyCollection: + """ + Compute a collection of technologies from a grouped DataFrame. + + Processes input DataFrame by grouping technologies and extracting their parameters, + creating Technology instances for each unique group. + + Parameters + ---------- + dataframe : pandas.DataFrame + Input DataFrame containing technology parameters. + Expected columns include: + - 'est': Estimation or case identifier + - 'year': Year of the technology + - 'ws': Workspace or technology identifier + - 'Technology': Detailed technology name + - 'par': Parameter name + - 'val': Parameter value + - 'unit': Parameter units + sources_path: pathlib.Path + Output path for storing the SourceCollection object + store_source: Optional[bool] + Flag to decide whether to store the source object on the Wayback Machine. Default False. + output_schema : Optional[bool] + Flag to decide whether to export the source collection schema. Default False. + + Returns + ------- + TechnologyCollection + A collection of Technology instances, each representing a unique + technology group with its associated parameters. + + Notes + ----- + - The function groups the DataFrame by 'est', 'year', 'ws', and 'Technology' + - For each group, it creates a dictionary of Parameters + - Each Technology is instantiated with group-specific attributes + + """ + list_techs = [] + + if store_source: + source = Source( + title="Technology Data for Energy storage (May 2025)", + authors="Danish Energy Agency", + url="https://ens.dk/media/6589/download", + url_date="2025-10-08 09:24:00", + ) + source.ensure_in_wayback() + sources = SourceCollection(sources=[source]) + sources.to_json(sources_path, output_schema=output_schema) + else: + sources = SourceCollection.from_json(sources_path) + + for (est, year, ws, technology_name), group in dataframe.groupby( + ["est", "year", "ws", "Technology"] + ): + parameters = {} + for _, row in group.iterrows(): + parameters[row["par"]] = Parameter( + magnitude=row["val"], + units=row["unit"], + sources=sources, + provenance="Parsed from Excel file", + ) + list_techs.append( + Technology( + name=ws, + region="EU", + year=year, + parameters=parameters, + case=est, + detailed_technology=technology_name, + ) + ) + return TechnologyCollection(technologies=list_techs) + + +@pydantic.validate_call +def parse_input_arguments() -> argparse.Namespace: + """ + Parse command line arguments. + + Returns + ------- + argparse.Namespace + Parsed command line arguments containing: + - Number of significant digits + - Store source flag + + """ + # Create the parser + parser = argparse.ArgumentParser( + description="Parse the DEA technology storage dataset", + formatter_class=argparse.RawTextHelpFormatter, + ) + + # Define arguments + parser.add_argument( + "--num_digits", + type=int, + default=4, + help="Name of significant digits to round the values. ", + ) + + parser.add_argument( + "--store_source", + action="store_true", + help="store_source, store the source object on the wayback machine. Default: false", + ) + + parser.add_argument( + "--filter_params", + action="store_true", + help="filter_params. Filter the parameters stored to technologies.json. Default: false", + ) + + parser.add_argument( + "--export_schema", + action="store_true", + help="export_schema. Export the Source/TechnologyCollection schemas. Default: false", + ) + + # Parse arguments + args = parser.parse_args() + + return args + + +if __name__ == "__main__": + # Parse input arguments + input_args = parse_input_arguments() + logger.info("Command line arguments parsed.") + + # Read the raw data + dea_energy_storage_file_path = pathlib.Path( + path_cwd, + "src", + "technologydata", + "package_data", + "raw", + "Technology_datasheet_for_energy_storage.xlsx", + ) + + dea_energy_storage_df = pd.read_excel( + dea_energy_storage_file_path, + sheet_name="alldata_flat", + engine="calamine", + dtype=str, + ) + logger.info("Input file read-in.") + + # Drop unnecessary rows + cleaned_df = drop_invalid_rows(dea_energy_storage_df) + logger.info("Unnecessary rows dropped.") + + # Clean technology (Technology) column + cleaned_df["Technology"] = cleaned_df["Technology"].apply(clean_technology_string) + + # Clean ws column + cleaned_df["ws"] = cleaned_df["ws"].apply(clean_technology_string) + logger.info("`Technology` and `ws` cleaned.") + + # Clean year column + cleaned_df["year"] = cleaned_df["year"].apply(extract_year) + logger.info("`year` column cleaned.") + + # Clean parameter (par) column + cleaned_df["par"] = cleaned_df["par"].apply(clean_parameter_string) + logger.info("`par` column cleaned.") + + # Complete missing units based on parameter names and replace incorrect units. + cleaned_df[["par", "unit"]] = cleaned_df[["par", "unit"]].apply( + standardize_units, axis=1 + ) + logger.info("Missing units added and wrong units replaced.") + + # Include priceyear in unit if applicable + cleaned_df["unit"] = cleaned_df.apply( + lambda row: Commons.update_unit_with_currency_year( + row["unit"], row["priceyear"] + ), + axis=1, + ) + logger.info("`priceyear` included in `unit` column.") + + # Format value (val) column + cleaned_df["val"] = cleaned_df["val"].apply( + lambda x: format_val_number(x, input_args.num_digits) + ) + logger.info("`val` column formatted.") + + # Replace "MEUR_2020" with "EUR_2020" and multiply val by 1_000_000 + mask_meur = cleaned_df["unit"].str.contains("MEUR_2020") + cleaned_df.loc[mask_meur, "unit"] = cleaned_df.loc[mask_meur, "unit"].str.replace( + "MEUR_2020", "EUR_2020" + ) + cleaned_df.loc[mask_meur, "val"] = ( + cleaned_df.loc[mask_meur, "val"] * 1_000_000.0 + ).round(input_args.num_digits) + + # Replace "kEUR_2020" with "EUR_2020" and multiply val by 1_000 + mask_lower_keur = cleaned_df["unit"].str.contains("kEUR_2020") + cleaned_df.loc[mask_lower_keur, "unit"] = cleaned_df.loc[ + mask_lower_keur, "unit" + ].str.replace("kEUR_2020", "EUR_2020") + cleaned_df.loc[mask_lower_keur, "val"] = ( + cleaned_df.loc[mask_lower_keur, "val"] * 1_000.0 + ).round(input_args.num_digits) + + # Replace "KEUR_2020" with "EUR_2020" and multiply val by 1_000 + mask_upper_keur = cleaned_df["unit"].str.contains("KEUR_2020") + cleaned_df.loc[mask_upper_keur, "unit"] = cleaned_df.loc[ + mask_upper_keur, "unit" + ].str.replace("KEUR_2020", "EUR_2020") + cleaned_df.loc[mask_upper_keur, "val"] = ( + cleaned_df.loc[mask_upper_keur, "val"] * 1_000.0 + ).round(input_args.num_digits) + + # Replace "mol/s/m/MPa1/2" with "mol/s/m/Pa" and multiply val by 1_000_000 + mask_mols = cleaned_df["unit"].str.contains("mol/s/m/MPa1/2") + cleaned_df.loc[mask_mols, "unit"] = cleaned_df.loc[mask_mols, "unit"].str.replace( + "mol/s/m/MPa1/2", "mol/s/m/Pa" + ) + cleaned_df.loc[mask_mols, "val"] = cleaned_df.loc[mask_mols, "val"] * 1_000_000.0 + + # Replace, in column `par`, `energy storage capacity for one unit` and `tank volume of example` with `capacity` + mask_capacity = cleaned_df["par"].isin( + [ + "energy storage capacity for one unit", + "tank volume of example", + ] + ) + cleaned_df.loc[mask_capacity, "par"] = "capacity" + + # Clean est column + cleaned_df["est"] = cleaned_df["est"].apply(clean_est_string) + logger.info("`est` column cleaned.") + + # Drop unnecessary columns + columns_to_drop = ["cat", "priceyear", "ref", "note"] + cleaned_df = cleaned_df.drop(columns=columns_to_drop, errors="ignore") + logger.info("Unnecessary columns dropped.") + + filtered_df = filter_parameters(cleaned_df, input_args.filter_params) + + # Build TechnologyCollection + dea_storage_path = pathlib.Path( + path_cwd, + "src", + "technologydata", + "package_data", + "dea_energy_storage", + ) + output_technologies_path = pathlib.Path( + dea_storage_path, + "technologies.json", + ) + output_sources_path = pathlib.Path( + dea_storage_path, + "sources.json", + ) + + tech_col = build_technology_collection( + filtered_df, + output_sources_path, + store_source=input_args.store_source, + output_schema=input_args.export_schema, + ) + logger.info("TechnologyCollection object instantiated.") + tech_col.to_json(output_technologies_path, output_schema=input_args.export_schema) + logger.info("TechnologyCollection object exported to json.") + + if input_args.export_schema: + # Move schema files if they exist + schema_folder = pathlib.Path( + path_cwd, "src", "technologydata", "package_data", "schemas" + ) + sources_schema = pathlib.Path(dea_storage_path, "sources.schema.json") + technologies_schema = pathlib.Path(dea_storage_path, "technologies.schema.json") + + schema_folder.mkdir(parents=True, exist_ok=True) + + if sources_schema.exists(): + sources_schema.rename(schema_folder / "sources.schema.json") + logger.info(f"Moved {sources_schema} to {schema_folder}") + if technologies_schema.exists(): + technologies_schema.rename(schema_folder / "technologies.schema.json") + logger.info(f"Moved {technologies_schema} to {schema_folder}") diff --git a/src/technologydata/package_data/dea_energy_storage/sources.json b/src/technologydata/package_data/dea_energy_storage/sources.json new file mode 100644 index 00000000..7b84d367 --- /dev/null +++ b/src/technologydata/package_data/dea_energy_storage/sources.json @@ -0,0 +1,12 @@ +{ + "sources": [ + { + "title": "Technology Data for Energy storage (May 2025)", + "authors": "Danish Energy Agency", + "url": "https://ens.dk/media/6589/download", + "url_archive": "https://web.archive.org/web/20251008092400/https://ens.dk/media/6589/download", + "url_date": "2025-10-08 09:24:00", + "url_date_archive": "2025-10-08 09:24:00" + } + ] +} diff --git a/src/technologydata/package_data/dea_energy_storage/technologies.json b/src/technologydata/package_data/dea_energy_storage/technologies.json new file mode 100644 index 00000000..7d197591 --- /dev/null +++ b/src/technologydata/package_data/dea_energy_storage/technologies.json @@ -0,0 +1,17508 @@ +{ + "technologies": [ + { + "name": "caes", + "detailed_technology": "compressed air energy storage", + "case": "control", + "region": "EU", + "year": 2015, + "parameters": { + "charge efficiency": { + "magnitude": 80.0, + "units": "percent", + "carrier": null, + "heating_value": null, + "provenance": "Parsed from Excel file", + "note": null, + "sources": { + "sources": [ + { + "title": "Technology Data for Energy storage (May 2025)", + "authors": "Danish Energy Agency", + "url": "https://ens.dk/media/6589/download", + "url_archive": "https://web.archive.org/web/20251008092400/https://ens.dk/media/6589/download", + "url_date": "2025-10-08 09:24:00", + "url_date_archive": "2025-10-08 09:24:00" + } + ] + } + }, + "discharge efficiency": { + "magnitude": 69.0, + "units": "percent", + "carrier": null, + "heating_value": null, + "provenance": "Parsed from Excel file", + "note": null, + "sources": { + "sources": [ + { + "title": "Technology Data for Energy storage (May 2025)", + "authors": "Danish Energy Agency", + "url": "https://ens.dk/media/6589/download", + "url_archive": "https://web.archive.org/web/20251008092400/https://ens.dk/media/6589/download", + "url_date": "2025-10-08 09:24:00", + "url_date_archive": "2025-10-08 09:24:00" + } + ] + } + }, + "capacity": { + "magnitude": 3000.0, + "units": "megawatt_hour", + "carrier": null, + "heating_value": null, + "provenance": "Parsed from Excel file", + "note": null, + "sources": { + "sources": [ + { + "title": "Technology Data for Energy storage (May 2025)", + "authors": "Danish Energy Agency", + "url": "https://ens.dk/media/6589/download", + "url_archive": "https://web.archive.org/web/20251008092400/https://ens.dk/media/6589/download", + "url_date": "2025-10-08 09:24:00", + "url_date_archive": "2025-10-08 09:24:00" + } + ] + } + }, + "technical lifetime": { + "magnitude": 40.0, + "units": "year", + "carrier": null, + "heating_value": null, + "provenance": "Parsed from Excel file", + "note": null, + "sources": { + "sources": [ + { + "title": "Technology Data for Energy storage (May 2025)", + "authors": "Danish Energy Agency", + "url": "https://ens.dk/media/6589/download", + "url_archive": "https://web.archive.org/web/20251008092400/https://ens.dk/media/6589/download", + "url_date": "2025-10-08 09:24:00", + "url_date_archive": "2025-10-08 09:24:00" + } + ] + } + }, + "fixed o&m": { + "magnitude": 2615.964, + "units": "EUR_2020 / megawatt / year", + "carrier": null, + "heating_value": null, + "provenance": "Parsed from Excel file", + "note": null, + "sources": { + "sources": [ + { + "title": "Technology Data for Energy storage (May 2025)", + "authors": "Danish Energy Agency", + "url": "https://ens.dk/media/6589/download", + "url_archive": "https://web.archive.org/web/20251008092400/https://ens.dk/media/6589/download", + "url_date": "2025-10-08 09:24:00", + "url_date_archive": "2025-10-08 09:24:00" + } + ] + } + }, + "specific investment": { + "magnitude": 680.576, + "units": "EUR_2020 / kilowatt", + "carrier": null, + "heating_value": null, + "provenance": "Parsed from Excel file", + "note": null, + "sources": { + "sources": [ + { + "title": "Technology Data for Energy storage (May 2025)", + "authors": "Danish Energy Agency", + "url": "https://ens.dk/media/6589/download", + "url_archive": "https://web.archive.org/web/20251008092400/https://ens.dk/media/6589/download", + "url_date": "2025-10-08 09:24:00", + "url_date_archive": "2025-10-08 09:24:00" + } + ] + } + }, + "variable o&m": { + "magnitude": 2.616, + "units": "EUR_2020 / megawatt_hour", + "carrier": null, + "heating_value": null, + "provenance": "Parsed from Excel file", + "note": null, + "sources": { + "sources": [ + { + "title": "Technology Data for Energy storage (May 2025)", + "authors": "Danish Energy Agency", + "url": "https://ens.dk/media/6589/download", + "url_archive": "https://web.archive.org/web/20251008092400/https://ens.dk/media/6589/download", + "url_date": "2025-10-08 09:24:00", + "url_date_archive": "2025-10-08 09:24:00" + } + ] + } + } + } + }, + { + "name": "hydrogen storage - caverns", + "detailed_technology": "hydrogen storage - caverns", + "case": "control", + "region": "EU", + "year": 2015, + "parameters": { + "charge efficiency": { + "magnitude": 0.99, + "units": "percent", + "carrier": null, + "heating_value": null, + "provenance": "Parsed from Excel file", + "note": null, + "sources": { + "sources": [ + { + "title": "Technology Data for Energy storage (May 2025)", + 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"authors": "Danish Energy Agency", + "url": "https://ens.dk/media/6589/download", + "url_archive": "https://web.archive.org/web/20251008092400/https://ens.dk/media/6589/download", + "url_date": "2025-10-08 09:24:00", + "url_date_archive": "2025-10-08 09:24:00" + } + ] + } + }, + "specific investment": { + "magnitude": 388000.0, + "units": "EUR_2020 / megawatt_hour", + "carrier": null, + "heating_value": null, + "provenance": "Parsed from Excel file", + "note": null, + "sources": { + "sources": [ + { + "title": "Technology Data for Energy storage (May 2025)", + "authors": "Danish Energy Agency", + "url": "https://ens.dk/media/6589/download", + "url_archive": "https://web.archive.org/web/20251008092400/https://ens.dk/media/6589/download", + "url_date": "2025-10-08 09:24:00", + "url_date_archive": "2025-10-08 09:24:00" + } + ] + } + }, + "variable o&m": { + "magnitude": 0.0, + "units": "EUR_2020 / megawatt_hour", + "carrier": null, + "heating_value": null, + "provenance": "Parsed from Excel file", + "note": null, + "sources": { + "sources": [ + { + "title": "Technology Data for Energy storage (May 2025)", + "authors": "Danish Energy Agency", + "url": "https://ens.dk/media/6589/download", + "url_archive": "https://web.archive.org/web/20251008092400/https://ens.dk/media/6589/download", + "url_date": "2025-10-08 09:24:00", + "url_date_archive": "2025-10-08 09:24:00" + } + ] + } + } + } + } + ] +} diff --git a/src/technologydata/package_data/raw/Technology_datasheet_for_energy_storage.xlsx b/src/technologydata/package_data/raw/Technology_datasheet_for_energy_storage.xlsx new file mode 100644 index 00000000..dcdcff61 Binary files /dev/null and b/src/technologydata/package_data/raw/Technology_datasheet_for_energy_storage.xlsx differ diff --git a/src/technologydata/technology.py b/src/technologydata/technology.py index 6f94a5cb..eafb5811 100644 --- a/src/technologydata/technology.py +++ b/src/technologydata/technology.py @@ -2,9 +2,6 @@ # # SPDX-License-Identifier: MIT - -# TODO replaceholder - """Technology class for representing a technology with parameters and transformation methods.""" from typing import Annotated, Any, Self diff --git a/src/technologydata/utils/commons.py b/src/technologydata/utils/commons.py index 9e91398f..64b829f9 100644 --- a/src/technologydata/utils/commons.py +++ b/src/technologydata/utils/commons.py @@ -10,9 +10,14 @@ from typing import Any import dateutil +import pandas as pd + +from technologydata.utils.units import CURRENCY_UNIT_PATTERN, get_iso3_to_currency_codes logger = logging.getLogger(__name__) +all_currency_codes = set(get_iso3_to_currency_codes().values()) + class DateFormatEnum(str, enum.Enum): """ @@ -267,3 +272,39 @@ def replace_special_characters(input_string: str) -> str: # Lower case the string replaced = replaced.casefold() return replaced + + @staticmethod + def update_unit_with_currency_year(unit: str, currency_year: str) -> str: + """ + Update unit string to include currency year for currency-based units. + + Parameters + ---------- + unit : str + A unit string + currency_year: str + A currency year string + + Returns + ------- + str + Updated unit + + """ + # Check if the units contain a currency-like string, defined as "{3-letter currency code}_{year as YYYY}" + matches = CURRENCY_UNIT_PATTERN.findall(unit) + + # Check if unit is a string, contains the currency, and currency_year is not null + if isinstance(unit, str) and pd.notna(currency_year): + for currency_code in all_currency_codes: + if ( + pd.notna(currency_code) + and currency_code in unit + and len(matches) == 0 + ): + # Replace currency with currency_currency_year + unit = unit.replace( + currency_code, f"{currency_code}_{currency_year}" + ) + + return unit diff --git a/test/test_commons.py b/test/test_commons.py index c242f863..1c302f56 100644 --- a/test/test_commons.py +++ b/test/test_commons.py @@ -151,3 +151,20 @@ def test_search_file_extension_in_url( technologydata.FileExtensionEnum.search_file_extension_in_url(input_string) == expected_string ) + + @pytest.mark.parametrize( + "input_unit, input_year, expected_string", + [ + ("EUR/kWh", "2020", "EUR_2020/kWh"), + ("USD/kWh", "2020", "USD_2020/kWh"), + ("USD_2023/kWh", "2020", "USD_2023/kWh"), + ], + ) # type: ignore + def test_update_unit_with_currency_year( + self, input_unit: str, input_year: str, expected_string: str + ) -> None: + """Check if update_unit_with_currency_year works as expected.""" + result = technologydata.Commons.update_unit_with_currency_year( + input_unit, input_year + ) + assert result == expected_string diff --git a/test/test_dea_energy_storage.py b/test/test_dea_energy_storage.py new file mode 100644 index 00000000..7a74e1ad --- /dev/null +++ b/test/test_dea_energy_storage.py @@ -0,0 +1,230 @@ +# SPDX-FileCopyrightText: The technology-data authors +# +# SPDX-License-Identifier: MIT + +"""Test the functions of the DEA energy storage parser.""" + +import pathlib +import typing + +import pandas +import pytest + +from technologydata.package_data.dea_energy_storage.dea_energy_storage import ( + build_technology_collection, + clean_est_string, + clean_parameter_string, + clean_technology_string, + drop_invalid_rows, + extract_year, + filter_parameters, + format_val_number, + standardize_units, +) + + +class TestDEAEnergyStorage: + """Test suite for the functions of the DEA energy storage parser.""" + + @pytest.mark.parametrize( + "input_string, expected_string", + [ + ("- Discharge efficiency [%]", "discharge efficiency"), + ("Construction time [years]", "construction time"), + ("- Another example [with brackets]", "another example"), + ("No brackets or hyphen here", "no brackets or hyphen here"), + ("- Another example [with brackets)", "another example"), + ], + ) # type: ignore + def test_clean_parameter_string( + self, input_string: str, expected_string: str + ) -> None: + """Check if the clean_parameter_string works as expected.""" + assert clean_parameter_string(input_string) == expected_string + + def test_drop_invalid_rows(self) -> None: + """Check if the drop_invalid_rows works as expected.""" + input_dataframe = pandas.DataFrame( + { + "Technology": ["AI", "", "ML", "new_tech", "Tech", "Tech_1", "Tech_2"], + "par": ["p1", "p2", "", "p4", None, "p5", "p6"], + "val": ["<1", " ", None, "abc", "456", "456,1", "1,1x10^3"], + "year": [ + "almost 2020", + "2021", + "2020", + "2022", + "", + "nearly 2020", + "2024", + ], + } + ) + expected_dataframe = pandas.DataFrame( + { + "Technology": ["Tech_1", "Tech_2"], + "par": ["p5", "p6"], + "val": ["456,1", "1,1x10^3"], + "year": ["nearly 2020", "2024"], + } + ) + output_dataframe = drop_invalid_rows(input_dataframe).reset_index(drop=True) + comparison_df = output_dataframe.compare(expected_dataframe) + assert comparison_df.empty + + @pytest.mark.parametrize( + "input_string, expected_string", + [ + ("192 string", "string"), + (" STRING 123 ", "string 123"), + (" string 123a ", "string 123a"), + (" 123b string ", "string"), + (" 123c ", ""), + ], + ) # type: ignore + def test_clean_technology_string( + self, input_string: str, expected_string: str + ) -> None: + """Check if clean_technology_string works as expected.""" + result = clean_technology_string(input_string) + assert result == expected_string + assert isinstance(result, str) + + @pytest.mark.parametrize( + "input_year, expected_year", + [ + ("some 1999", 1999), + ("maybe 1", 1), + ("1", 1), + ], + ) # type: ignore + def test_extract_year(self, input_year: str, expected_year: int) -> None: + """Check if extract_year works as expected.""" + result = extract_year(input_year) + assert result == expected_year + assert isinstance(result, int) + + @pytest.mark.parametrize( + "input_number, expected_number", + [ + ("1,1", 1.1), + ("1", 1.0), + ("1.31×10-23", 1.31e-23), + ], + ) # type: ignore + def test_format_val_number( + self, input_number: str, expected_number: int | None | typing.Any + ) -> None: + """Check if format_val_number works as expected, including exception handling.""" + result = format_val_number(input_number, 2) + assert isinstance(result, float) + assert result == expected_number + + @pytest.mark.parametrize( + "input_string, expected_string", + [ + ("ctrl", "control"), + ("Upper", "upper"), + (" Yeah ", "yeah"), + ], + ) # type: ignore + def test_clean_est_string(self, input_string: str, expected_string: str) -> None: + """Check if clean_est_string works as expected.""" + result = clean_est_string(input_string) + assert isinstance(result, str) + assert result == expected_string + + def test_standardize_units(self) -> None: + """Check if standardize_units works as expected.""" + input_dataframe = pandas.DataFrame( + { + "par": [ + "energy storage capacity for one unit", + "typical temperature difference in storage", + "fixed o&m", + "lifetime in total number of cycles", + "cycle life", + "p1", + "p2", + "p3", + "p4", + "p5", + ], + "unit": [ + "", + "", + "", + None, + None, + "unit*pct./period", + "unit/⁰C", + "pct./30sec", + "m3", + "EUR_2020/tank/year", + ], + } + ) + expected_dataframe = pandas.DataFrame( + { + "par": [ + "energy storage capacity for one unit", + "typical temperature difference in storage", + "fixed o&m", + "lifetime in total number of cycles", + "cycle life", + "p1", + "p2", + "p3", + "p4", + "p5", + ], + "unit": [ + "MWh", + "K", + "percent/year", + "cycles", + "cycles", + "unit*percent", + "unit/C", + "percent", + "meter**3", + "EUR_2020/year", + ], + } + ) + input_dataframe[["par", "unit"]] = ( + input_dataframe[["par", "unit"]] + .apply(standardize_units, axis=1) + .reset_index(drop=True) + ) + comparison_df = input_dataframe.compare(expected_dataframe) + assert comparison_df.empty + + def test_filter_parameters_true_false(self) -> None: + """Check if filter_parameters works as expected.""" + dataframe = pandas.DataFrame( + {"par": ["technical lifetime", "other"], "Technology": ["A", "B"]} + ) + filtered = filter_parameters(dataframe, True) + assert all(filtered["par"] == "technical lifetime") + filtered2 = filter_parameters(dataframe, False) + assert len(filtered2) == 2 + + @pytest.mark.webarchive # type: ignore + def test_build_technology_collection(self, tmp_path: pathlib.Path) -> None: + """Check if build_technology_collection works as expected.""" + dataframe = pandas.DataFrame( + { + "est": ["base"], + "year": [2020], + "ws": ["Tech1"], + "Technology": ["Solar PV"], + "par": ["specific_investment"], + "val": [1000], + "unit": ["EUR_2020/kW"], + } + ) + sources_path = pathlib.Path(tmp_path, "sources.json") + tech_collection = build_technology_collection(dataframe, sources_path) + assert len(tech_collection.technologies) == 1 + assert "specific_investment" in tech_collection.technologies[0].parameters