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For any question on data and metadata, please contact: Eurostat user support |
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1.1. Contact organisation | Ministerio para la Transición Ecológica y el Reto Demográfico [Ministry for the Ecological Transition and the Demographic Challenge] |
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1.2. Contact organisation unit | Subdirección General de Hidrocarburos y Nuevos Combustibles [Deputy Directorate General for Hydrocarbons and New Fuels] - Directorate General for Energy Policy and Mines |
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1.5. Contact mail address | Paseo de la Castellana 160 28046 Madrid (Spain) |
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2.1. Metadata last certified | 07/07/2022 | ||
2.2. Metadata last posted | 15/06/2022 | ||
2.3. Metadata last update | 15/06/2022 |
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3.1. Data description | ||||||
The objective of this data collection is to disseminate with the maximum transparency possible the natural gas end-user prices in Spain, both for household and non-household consumers. The transparency of energy prices may contribute to the consumers's free of election between the different energy sources and suppliers. Data variables of this data collection are the average prices of natural gas paid by end consumers in semestral periods of 2017 and 2018 for different consumption bands. This data collection is regulated in REGULATION (EU) 2016/1952 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 26 October 2016 on European statistics on natural gas and electricity prices and repealing Directive 2008/92/EC. Since Kingdom of Spain has been granted a derogation from producing statistical data for reference years 2017 and 2018 related with Point 6(a) and Point 7 of Regulation (EU) 2016/1952 the price statistic data submitted by Spain in 2017 and 2018 follows the former Directive 2008/92/EC. (See: COMMISSION IMPLEMENTING DECISION (EU) 2018/1734 of 14 November 2018 granting derogations to the Federal Republic of Germany, the Kingdom of Spain, the Italian Republic and the Republic of Cyprus as regards the provision of statistics pursuant to Regulation (EU) 2016/1952 of the European Parliament and of the Council) |
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3.2. Classification system | ||||||
Internal Eurostat classification system based on annual natural gas consumption bands and tax levels. |
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3.3. Coverage - sector | ||||||
Household customers and final non-household customers (industry, services, offices, agriculture, etc). |
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3.4. Statistical concepts and definitions | ||||||
Data comprises average national prices for natural gas end-users for several consumption bands defined by Eurostat (see below): For the households sector, these bands are:
For the final non-households sector, the bands are:
There exists one level of disagregation for semestrial prices. These prices are reported twice a year and are divided in 3 levels:
Taxes and levies include:
All industrial uses of gas are considered. However, the system excludes consumers who use gas:
All natural gas retailers are included in the population of this data collection. |
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3.5. Statistical unit | ||||||
Household and final non-household consumers divided into consumption bands. |
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3.6. Statistical population | ||||||
The data include all household and final non-household customers of natural gas, but exclude customers who use natural gas only for:
Natural gas include natural gas and other gaseous fuels blended with natural gas in the transmission and distribution network, such as biogas. Other gaseous fuels that are distributed through dedicated networks without being blended with natural gas (e.g. gas works gas, coke oven gas, blast furnace gas and biogas) are excluded. There is not enough information to determine the exact target population of suppliers fullfilling the requisites above. An estimation is that in 2017 the number of natural gas suppliers were 46 for final industrial consumers and 60 for domestic and commercial final consumers (See document annexed). Annexes: NRA Monitoring Report on Natural Gas Market |
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3.7. Reference area | ||||||
Kingdom of Spain |
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3.8. Coverage - Time | ||||||
Natural gas prices data for Spain are available since 1991. |
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3.9. Base period | ||||||
Not applicable. |
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Prices are reported in national currency per GJ. However, Eurostat also calculates and publishes the prices in EURO and PPS (purchasing power parity) and do the conversion to kWh. |
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For semestrial prices, the reference periods are from January to June for semester 1 and from July to December for semester 2. |
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6.1. Institutional Mandate - legal acts and other agreements | |||
At EU level:
At national level: |
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6.2. Institutional Mandate - data sharing | |||
At EU level:
At national level:
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7.1. Confidentiality - policy | |||
At EU level:
At national level: |
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7.2. Confidentiality - data treatment | |||
Data confidentiality is treated according with Regulation (EC) No 223/2009. Confidential data is obtained exclusively for the production of Eurostat statistics and exclusively transmitted to Eurostat. Published data should not allow identification of single consumers. No individual data is asked directly from final consumers. Thus, there is no need to treat the data in order to avoiod undue identification of single customers. |
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8.1. Release calendar | |||
Statistics are only released by Eurostat according to Eurostat calendar policy. Additionally the Ministry makes available on its web page the following information:
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8.2. Release calendar access | |||
Data is released by Eurostat in the Eurostat database following the Art.8 of Regulation (UE) 2016/1952: "The Commission (Eurostat) shall disseminate natural gas and electricity price statistics no later than five months after the end of each reference period" Aditionally the data related to gas natural prices for any given year is published and made availabe the following year in the "Libro de la Energía" publication. The link to the Minsitry's web page where the yearly data and publications mentioned in ponit 8.1 Release calendar is: https://energia.gob.es/balances/Balances/Paginas/Balances.aspx |
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8.3. Release policy - user access | |||
User access is free via webpage. |
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Natural gas prices in Spain are published on a semestrial basis on Eurostat's website. |
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10.1. Dissemination format - News release | |||
There is no national press release related to the data. |
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10.2. Dissemination format - Publications | |||
Data of prices for the first semester is shown in an annual publication called "Libro de la Energía en España" published by the Ministry for the Ecological Transition. |
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10.3. Dissemination format - online database | |||
Eurostat database |
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10.3.1. Data tables - consultations | |||
Not applicable. |
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10.4. Dissemination format - microdata access | |||
We don't give access to microdata. |
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10.5. Dissemination format - other | |||
No other ways for disseminating the data. |
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10.5.1. Metadata - consultations | |||
No other ways for disseminating the data. |
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10.6. Documentation on methodology | |||
No documentation on methdology apart from publicated by Eurostat. |
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10.6.1. Metadata completeness - rate | |||
Not applicable. |
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10.7. Quality management - documentation | |||
No document related to quality exist. |
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11.1. Quality assurance | |||
Data quality assurance methodology is based in four procedures:
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11.2. Quality management - assessment | |||
Data quality can be considered sufficient since prices and volumes are sent by a representative share of the market and figures are checked following coherence criteria (see 11.1). Possible defficiencies may occur since there is no way for the Ministry to check that the company has taken into consideration all the criteria stablished in the regulation to calculate the price for each band (i.e: not applying taxes, not including gas for generation, correct issuing of consumptions bands, etc...) |
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12.1. Relevance - User Needs | |||
Potential Users clasification:
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12.2. Relevance - User Satisfaction | |||
No satisfaction feedback is available. |
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12.3. Completeness | |||
Data collection fulfills with Directive 2008/92/EC. |
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12.3.1. Data completeness - rate | |||
100% of all the variables required by Directive 2008/92/EC are completed. |
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13.1. Accuracy - overall | |||
The data collection system, the survey design and the quality controls are aligned to achieve a representative data with enough accuracy. Main sources of random and systematic error are the following:
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13.2. Sampling error | |||
Sampling error is not applicable since this data is not generated with a sample of the market, it considers the whole census. |
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13.2.1. Sampling error - indicators | |||
Not applicable. |
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13.3. Non-sampling error | |||
Information is included in the sub-concepts S.13.3.1-S.13.3.5. |
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13.3.1. Coverage error | |||
Over coverage may occur but is not possible to estimate. |
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13.3.1.1. Over-coverage - rate | |||
Unknown. |
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13.3.1.2. Common units - proportion | |||
100% (no administrative sources) |
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13.3.2. Measurement error | |||
The main sources of measurement error are reading, calculating or recording errors by the companies in the figures submitted to the survey. |
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13.3.3. Non response error | |||
Non response error in this data collection is mostly Unit non-response error. This affects specially to the non-household suppliers population which is higher and diverse (more small and medium size companies). Efforts are focused in achieve the data for the companies with higher market shares in order to get a representative value for the price. |
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13.3.3.1. Unit non-response - rate | |||
Household customers: Data coming from 40 suppliers out of 60 and representing 67% of the household customers. This represents around 80% of house-hold consumption (estimation). Final non-household customers: Data coming from 30 suppliers out of 46 and representing 65% of the final non-household customers. This represents around 60% of non-house-hold consumption (estimation). Note on the data: The representing percentages for both household and non-household suppliers are aproximate figures. There is not enough information to determine the exact target population of suppliers and consumption. Annexes: Spain NRA Monitoring Report on Natural Gas Market (last available) Annexes: NRA Monitoring Report on Natural Gas Market |
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13.3.3.2. Item non-response - rate | |||
Around 95% of the information items were submitted by the suppliers who answered the survey. |
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13.3.4. Processing error | |||
The following processing errors may occur: - Calculating errors by the Ministry in the weighted average by consumption band - Typing errors by the Ministry in the Excel file sent to Eurostat. |
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13.3.5. Model assumption error | |||
Not applicable. |
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14.1. Timeliness | |||
Natural gas providers that participate in the national data collection are requested to provide the natural gas price data within one month after the reference period. After arrival, the statistical office checks the micro-data for correctness, consistency and completeness and national averages are calculated and reported to Eurostat during the third month after the reference period. |
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14.1.1. Time lag - first result | |||
The first version of the natural gas price questionnaire for households for the 1st semester of 2019 was sent 3 days after the reference period. The first version of the natural gas price questionnaire for households for the 2nd semester of 2019 was sent 0 days after the reference period. The first version of the natural gas price questionnaire for households for the 1st semester of 2020 was sent -7 days after the reference period. The first version of the natural gas price questionnaire for households for the 2nd semester of 2020 was sent 0 days after the reference period. The first version of the natural gas price questionnaire for households for the 1st semester of 2021 was sent 1 days after the reference period. The first version of the natural gas price questionnaire for households for the 2nd semester of 2021 was sent 0 days after the reference period. The first version of the natural gas price questionnaire for non-households for the 1st semester of 2019 was sent 3 days after the reference period. The first version of the natural gas price questionnaire for non-households for the 2nd semester of 2019 was sent 0 days after the reference period. The first version of the natural gas price questionnaire for non-households for the 1st semester of 2020 was sent -7 days after the reference period. The first version of the natural gas price questionnaire for non-households for the 2nd semester of 2020 was sent 0 days after the reference period. The first version of the natural gas price questionnaire for non-households for the 1st semester of 2021 was sent 1 days after the reference period. The first version of the natural gas price questionnaire for non-households for the 2nd semester of 2021 was sent 0 days after the reference period. |
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14.1.2. Time lag - final result | |||
Version 2 of the natural gas price questionnaire for households for the 2nd semester of 2017 was sent 80 days after the reference period, 1 days after the first version and still within the deadline. Version 2 of the natural gas price questionnaire for non-households for the 2nd semester of 2017 was sent 80 days after the reference period, 1 days after the first version and still within the deadline. Version 3 of the natural gas price questionnaire for non-households for the 1st semester of 2017 was sent 171 days after the reference period. Revision affected gas prices for I3, I4 and I6 bands due to new prices received and corrected after submission deadline. |
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14.2. Punctuality | |||
The legal deadline for submitting the questionnaires is the third month after the reference period. 100% of the initial versions of questionnaires were delivered on time. |
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14.2.1. Punctuality - delivery and publication | |||
Data is published by Eurostat. The households and non-households questionnaire (second version) for reference period 2021, Semester 1 and 2020, Semester 1 were submitted 182 days after the deadline and for 2019, Semester 1 in 198 days. The households and non-households questionnaire (second version) for reference period 2019, Semester 2 were submitted 15 days after the deadline.
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15.1. Comparability - geographical | |||
There is no geographical comparability limitations. Prices for Spain could not be fully comparable to the rest of Member States, since Kingdom of Spain has been granted a derogation from producing statistical data for reference years 2017 and 2018 related with Point 6(a) and Point 7 of Regulation (EU) 2016/1952 and therefore the price statistic data submitted by Spain follows the former Directive 2008/92/EC. (See: COMMISSION IMPLEMENTING DECISION (EU) 2018/1734 of 14 November 2018 granting derogations to the Federal Republic of Germany, the Kingdom of Spain, the Italian Republic and the Republic of Cyprus as regards the provision of statistics pursuant to Regulation (EU) 2016/1952 of the European Parliament and of the Council) |
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15.1.1. Asymmetry for mirror flow statistics - coefficient | |||
Not applicable. |
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15.2. Comparability - over time | |||
There have not been changes in the underlying statistical process during 2017 and 2018. |
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15.2.1. Length of comparable time series | |||
It is comparable since data available (1991). |
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15.3. Coherence - cross domain | |||
Not applicable. |
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15.3.1. Coherence - sub annual and annual statistics | |||
Not applicable. |
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15.3.2. Coherence - National Accounts | |||
Not applicable. |
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15.4. Coherence - internal | |||
Not applicable (no annual prices have been submitted). |
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Data is sent by companies in an excel file to the Ministry using a web platform. Data is submitted by a valid representative (with digital certificate). Excel template is available at the Ministry webpage. Internal cost of data collection for companies is unknown. As an estimation two man-days are needed for the Statistic Unit to compile and send the data. |
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17.1. Data revision - policy | |||
Data is revised only if new relevant information is submitted by relevant retailers after the submission deadline with a sensible impact on average price. |
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17.2. Data revision - practice | |||
Version 3 of the natural gas price questionnaire for non-households for the 1st semester of 2017 was sent 171 days after the reference period. Revision affected gas prices for I3, I4 and I6 bands due to new prices received and corrected after submission deadline. |
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17.2.1. Data revision - average size | |||
Version 3 of the natural gas price questionnaire for non-households for the 1st semester of 2017 was sent 171 days after the reference period. Revision affected gas prices for I3, I4 and I6 bands due to new prices received and corrected after submission deadline. Households gas prices collection: 0.014439638 Non-households gas prices collection: 0.013048544 |
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18.1. Source data | |||
Not available. |
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18.2. Frequency of data collection | |||
Data collection is recopilated quarterly. |
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18.3. Data collection | |||
Data is gathered in Excel files which are submitted in a quarterly basis by the natural gas retailers to the Ministry webpage. Each company submit a price in euro per MWh (excluding taxes and levies) and a volume in MWh according to different bands of consumption defined by Eurostat for each quarter. After the submission period the Ministry recopilates all the files sent, monitorize the response for each band and performs the data quality controls (see point 11). If necessary dialogue with retailers is performed to correct values / ask for files unsent. National price for each band is calculated using an average of all the valid prices submitted by companies for the consumption band in both quarters of the semester, weighted by volume. Annexes: Natural Gas Information Report Sheet (see 17a sheet) |
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18.4. Data validation | |||
Data is validated using the quality assurance methodology that is based in four procedures:
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18.5. Data compilation | |||
Compilation process comprises the following steps: 1. Individual data sent by companies (volume in MWh and average price in €/kWh) is gathered and grouped by consumption bands for the two quarters of the semester. 2. For each band and quarter data and is ordered by volume. Empty submissions (no sells) and outliers values are checked with the companies (see data validation). Coverage (numer of companies and total volume for each band) is also assesed. 3. Once data is validated and non-validated data is discarded, an average price weighted by consumption values is calulated for each band. Average prices for each band are compared with previous reference periods for validation. 4. Prices with taxes are calcualted adding hydrocarbons tax and VAT resulting in final prices. Unit conversion to GJ is performed. 5. Prices are submitted to Eurostat |
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18.5.1. Imputation - rate | |||
Not available. |
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18.6. Adjustment | |||
Not applicable. |
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18.6.1. Seasonal adjustment | |||
Seasonable adjustments are not carried out. |
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