Electricity prices for household consumers - bi-annual data (from 2007 onwards) (nrg_pc_204)

National Reference Metadata in Single Integrated Metadata Structure (SIMS)

Compiling agency: Ministry of Environment and Energy


Eurostat metadata
Reference metadata
1. Contact
2. Metadata update
3. Statistical presentation
4. Unit of measure
5. Reference Period
6. Institutional Mandate
7. Confidentiality
8. Release policy
9. Frequency of dissemination
10. Accessibility and clarity
11. Quality management
12. Relevance
13. Accuracy
14. Timeliness and punctuality
15. Coherence and comparability
16. Cost and Burden
17. Data revision
18. Statistical processing
19. Comment
Related Metadata
Annexes (including footnotes)
 



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1. Contact Top
1.1. Contact organisation

Ministry of Environment and Energy

1.2. Contact organisation unit

Department of Statistics

1.5. Contact mail address

Mesogeion Av. 119, 101 92, Athens, Greece


2. Metadata update Top
2.1. Metadata last certified 14/06/2022
2.2. Metadata last posted 14/06/2022
2.3. Metadata last update 14/06/2022


3. Statistical presentation Top
3.1. Data description

European statistics on electricity prices for household and final non-household customers.

3.2. Classification system

Internal Eurostat classification system based on annual electricity consumption bands and tax levels.

3.3. Coverage - sector

Household sector and final non-household sector (industry, services, offices,etc).

3.4. Statistical concepts and definitions

The prices are reported in national currencies per kWh and according to different bands of consumption.

For the household sector, these bands are:

  • DA: customers consuming less than 1000 kWh.
  • DB: customers consuming 1000 kWh or more but less than 2500 kWh.
  • DC: customers consuming 2500 kWh or more but less than 5000 kWh.
  • DD: customers consuming 5000 kWh or more but less than 15000 kWh.
  • DE: customers consuming 15000 kWh or more.

For the final non-household sector, the bands are:

  • IA: customers consuming less than 20 MWh.
  • IB: customers consuming 20 MWh or more but less than 500 MWh.
  • IC: customers consuming 500 MWh or more but less than 2000 MWh.
  • ID: customers consuming 2000 MWh or more but less than 20000 MWh.
  • IE: customers consuming 20000 MWh or more but less than 70000 MWh.
  • IF: customers consuming 70000 MWh or more but less than 150000 MWh.
  • IG: customers consuming 150000 MWh or more.

There exist 2 different levels of disagregation for semestrial and annual prices:

1- Semestrial prices:

These prices are reported twice a year and are divided in 3 levels:

  • Level 1 prices: prices excluding taxes and levies.
  • Level 2 prices: prices excluding VAT and other recoverable taxes and levies.
  • Level 3 prices: prices including all taxes and levies.

2- Annual prices:

These prices are reported once a year together with the data for the second semester and are divided into the following components and taxes:

  • Energy and supply: generation, aggregation, balancing energy, supplied energy costs, customer services, after-sales management and other supply costs. Regarding the 2nd semester 2021 and due to the  increase in energy prices measures were taken to alleviate the burden on final consumers. As a result, the mentioned compensation was deducted from subcomponent Energy and Supply, given that it was not directly related to reduction or return of any kind of tax.
  • Network cost: transmission and distribution tariffs, transmission and distribution losses, network costs, after-sale service costs, system service costs, and meter rental and metering costs.
  • Value added taxes (VAT): as defined in Council Directive 2006/112/EC.
  • Renewable taxes: taxes, fees, levies or charges relating to the promotion of renewable energy sources, energy efficiency and CHP generation.
  • Capacity taxes: Taxes, fees, levies or charges relating to capacity payments, energy security and generation adequacy; taxes on coal industry restructuring; taxes on electricity distribution; stranded costs and levies on financing energy regulatory authorities or market and system operators.
  • Environmental taxes: taxes, fees, levies or charges relating to air quality and for other environmental purposes; taxes on emissions of CO2 or other greenhouse gases.
  • Nuclear taxes: taxes, fees, levies or charges relating to the nuclear sector, including nuclear decommissioning, inspections and fees for nuclear installations.
  • All other taxes: taxes, fees, levies or charges not covered by any of the previous five categories: support for district heating; local or regional fiscal charges; island compensation; concession fees relating to licences and fees for the occupation of land and public or private property by networks or other devices. This component includes also the excise duties.

In addition to these elements, the network cost is split into the respective shares of transmission and distribution.

VAT is refundable for non-household sector.


In the tables below are the taxes reported in "All other taxes"

 

For the household sector:

Band Name of the tax
DA excise duties, special duty, public service obligation charges
DB excise duties, special duty, public service obligation charges
DC excise duties, special duty, public service obligation charges
DD excise duties, special duty, public service obligation charges
DE excise duties, special duty, public service obligation charges

 

For the non-household sector:

Band Name of the tax
IA excise duties, special duty, public service obligation charges
IB excise duties, special duty, public service obligation charges
IC excise duties, special duty, public service obligation charges
ID excise duties, special duty, public service obligation charges
IE excise duties, special duty, public service obligation charges
IG excise duties, special duty, public service obligation charges

 

 

 

3.5. Statistical unit

Household and final non-household consumers divided into consumption bands.

3.6. Statistical population

Household customers: Data coming from 14 suppliers out of 18 and representing 96% of the household customers.

Final non-household customers: Data coming from 14 suppliers out of 18 and representing 96% of the final non-household customers.

3.7. Reference area

The reference area is the whole country.

3.8. Coverage - Time

Electricity prices data for Greece are available since 1991.

3.9. Base period

Not applicable.


4. Unit of measure Top

Prices are reported in national currency per kWh. However, Eurostat also calculates and publishes the prices in EURO and PPS (purchasing power parity).
Relative shares of sub-component of the network component and consumption volumes are reported in percentages.


5. Reference Period Top

For semestrial prices, the reference periods are from January to June for semester 1 and from July to December for semester 2.

For annual prices, the reference period is the whole calendar year (from January to December).


6. Institutional Mandate Top
6.1. Institutional Mandate - legal acts and other agreements

At EU level:

  • 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 (Text with EEA relevance).
  • Commission Implementing Regulation (EU) 2017/2169 of 21 November 2017 concerning the format and arrangements for the transmission of European Statistics on natural gas and electricity prices pursuant to Regulation (EU) 2016/1952 of the European Parliament and of the Council (Text with EEA relevance).
  • Commission Implementing Regulation (EU) 2019/803 concerning the content of quality reports on European statistics on natural gas and electricity prices pursuant to Regulation (EU) 2016/1952 of the European Parliament and of the Council (Text with EEA relevance).

At national level:

6.2. Institutional Mandate - data sharing

At EU level:

  • Eurostat does not share the data collected with other organisation appart from its usual dissemination chanel (Eurostat's database, statistic explained articles and press or news release) .

At national level:

  • Data is sent to Eurostat.
  • Data is sent to IEA


7. Confidentiality Top
7.1. Confidentiality - policy

At EU level:

  • Regulation (EC) No 223/2009 of the European Parliament and of the Council, of 11 March 2009, on the transmission of data subject to statistical confidentiality to the Statistical Office of the European Communities.
  • Regulation (EC) No 557/2013 of 17 June 2013 implementing Regulation (EC) No 223/2009 of the European Parliament and of the Council on European Statistics as regards access to confidential data for scientific purposes and repealing Commission Regulation (EC) No 831/2002 (Text with EEA relevance)

At national level:

7.2. Confidentiality - data treatment

Published data should not allow identification of single consumers.

If a single price is requested or is to be announced or published,when disaggregated data include confidential prices, the single price is calculated as a consumption - weighted average price. 


8. Release policy Top
8.1. Release calendar

The precise date of data release is disseminated on Eurostat's website.

8.2. Release calendar access

Not applicable.

8.3. Release policy - user access

In line with the Community legal framework and the European Statistics Code of Practice Eurostat disseminates European statistics on Eurostat's website respecting professional independence and in an objective, professional and transparent manner in which all users are treated equitably. The detailed arrangements are governed by the Eurostat protocol on impartial access to Eurostat data for users.

Data are also published by the IEA.


9. Frequency of dissemination Top

Electricity prices in Greece are published on a semestrial basis on Eurostat's website and  IEA's publications.


10. Accessibility and clarity Top
10.1. Dissemination format - News release

Not available at national level.

10.2. Dissemination format - Publications

Not available at national level.

10.3. Dissemination format - online database

Not available at national level.

10.3.1. Data tables - consultations

Not available.

10.4. Dissemination format - microdata access

Micro-data could be disseminated only if confidentiality rules are followed.

10.5. Dissemination format - other

Not available.

10.5.1. Metadata - consultations

Not available.

10.6. Documentation on methodology

Being a member of the Hellenic Statistical System we implement the national quality assurance framework of statistics.

Regulation on the Statistical Obligations of the Agencies of the Hellenic Statistical System

 

 

 

10.6.1. Metadata completeness - rate

Not available.

10.7. Quality management - documentation

Being a member of the Hellenic Statistical System we implement the national quality assurance framework of statistics.

Regulation on the Statistical Obligations of the Agencies of the Hellenic Statistical System


11. Quality management Top
11.1. Quality assurance

The Quality asssurance framework is described in the Regulation on the Statistical Obligations of the agencies of the Hellenic Statistical System  

11.2. Quality management - assessment

An annual report on the outcome of the statistical work programme of the previous year is submitted to the NSI.

 


12. Relevance Top
12.1. Relevance - User Needs

The data produced are an important source of information for domestic and international users (government agencies, research institutions, international organizations, etc.).

12.2. Relevance - User Satisfaction

No user satisfaction survey has been carried out for this dataset.

12.3. Completeness

Data sets are complete.

12.3.1. Data completeness - rate

 


13. Accuracy Top
13.1. Accuracy - overall

The outliers, concerning the submitted data, are double checked.

13.2. Sampling error

Due to the high percentage of the population represented, the sampling error is considered negligible.

13.2.1. Sampling error - indicators

As the sampling error is considered negligible, no precision measures are applicable.

13.3. Non-sampling error

Information is included in the sub-concepts S.13.3.1-S.13.3.5.

13.3.1. Coverage error

Due to high percentage of the population covered, all kinds of units are well represented.

13.3.1.1. Over-coverage - rate

We are not aware of any over-coverage in the data.

13.3.1.2. Common units - proportion

All the data are based on a census process.

13.3.2. Measurement error

As the system is not fully automated, measurement errors are possible but the rate of this kind of errors is not assessed and the errors are detected through different kind of outliers detection. Outliers are double checked.

13.3.3. Non response error

Two of 18 data providers did not respond,which corresponds to 2.5% of the total consumption.

 

13.3.3.1. Unit non-response - rate

Household customers: 2 out of 18 suppliers did not respond, representing 2.5% of the household customers.

Final non-household customers: 2 out of 18 suppliers did not respond, representing 2.5% of the final non-household customers.

13.3.3.2. Item non-response - rate

Item non-response rate is 0%.

13.3.4. Processing error

As the system is not fully automated, Processing errors are possible but the rate of this kind of errors is not assessed and the errors are detected through different kind of outliers detection. Outliers are double checked.

13.3.5. Model assumption error

Not Applicable.


14. Timeliness and punctuality Top
14.1. Timeliness

Electricity providers that participate in the national data collection are requested to provide the electricity price data within 2 months after the reference period. After arrival, the Department 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.

14.1.1. Time lag - first result

The first version of the electricity price questionnaire for households for the 1st semester of 2019 was sent 89 days after the reference period (27.09.2019).

The first version of the electricity price questionnaire for households for the 2nd semester of 2019 was sent 91 days after the reference period (31.03.2020).

The first version of the electricity price questionnaire for households for the 1st semester of 2020 was sent 90 days after the reference period (28.09.2020).

The first version of the electricity price questionnaire for households for the 2nd semester of 2020 was sent 88 days after the reference period (29.03.2021).

The first version of the electricity price questionnaire for households for the 1st semester of 2021 was sent 91 days after the reference period (29.09.2021).

The first version of the electricity price questionnaire for households for the 2nd semester of 2021 was sent 89 days after the reference period (30.03.2022).

The first version of the electricity price questionnaire for non-households for the 1st semester of 2019 was sent 89 days after the reference period (27.09.2019)

The first version of the electricity price questionnaire for non-households for the 2nd semester of 2019 was sent 91 days after the reference period (31.03.2020).

The first version of the electricity price questionnaire for non-households for the 1st semester of 2020 was sent 90 days after the reference period (28.09.2020).

The first version of the electricity price questionnaire for non-households for the 2nd semester of 2020 was sent 88 days after the reference period (29.03.2021).

The first version of the electricity price questionnaire for non-households for the 1st semester of 2021 was sent 91 days after the reference period (29.09.2021).

The first version of the electricity price questionnaire for non-households for the 2nd semester of 2021 was sent 89 days after the reference period (30.03.2022).

14.1.2. Time lag - final result

The revised version of the electricity price questionnaire for households for the 1st semester of 2019 was sent 291 days after the reference period, 202 days after the first version and 199 days after the mandatory deadline (16.04.2020).

The revised version of the electricity price questionnaire for households for the 2nd semester of 2019 was sent 107 days after the reference period, 16 days after the first version and 16 days after the mandatory deadline (16.04.2020).

The revised version of the electricity price questionnaire for households for the 1st semester of 2020 was sent 272 days after the reference period, 182 days after the first version and 180 days after the mandatory deadline (29.03.2021).

The revised version of the electricity price questionnaire for households for the 1st semester of 2021 was sent 273 days after the reference period, 182 days after the first version and 181 days after the mandatory deadline (30.03.2022).

The revised version of the electricity price questionnaire for non households for the 1st semester of 2019 was sent 291 days after the reference period, 202 days after the first version and 199 days after the mandatory deadline (16.04.2020).

The revised version of the electricity price questionnaire for non households for the 2nd semester of 2019 was sent 107 days after the reference period, 16 days after the first version and 16 days after the mandatory deadline (16.04.2020).

The latest revised version of the electricity price questionnaire for non households for the 1st semester of 2020 was sent 316 days after the reference period, 226 days after the first version and 224 days after the mandatory deadline (12.05.2021).

The latest revised version of the electricity price questionnaire for non households for the 2nd semester of 2020 was sent 132 days after the reference period, 44 days after the first version and 42 days after the mandatory deadline (12.05.2021).

The revised version of the electricity price questionnaire for non households for the 1st semester of 2021  was sent 273 days after the reference period, 182 days after the first version and 181 days after the mandatory deadline (30.03.2022).

Revisions were made because some suppliers resubmitted more accurate data.

14.2. Punctuality

The legal deadline for submitting the questionnaires is the third month after the reference period. We submit the data before the deadline expires.

 

14.2.1. Punctuality - delivery and publication

All questionnaires were delivered on time.


15. Coherence and comparability Top
15.1. Comparability - geographical

Collected data concern the whole territory, but there is no comparison between different geographical areas.

15.1.1. Asymmetry for mirror flow statistics - coefficient

Not applicable

15.2. Comparability - over time

From 2007 second semester onwards, prices are reported with a new methodology, therefore data is comparable over time. An exception is the second semester of 2017 in which the prices refer to arithmetic averages rather than consumption-weighted average. This was due to lack of the relevant data. However this is not considered to be a significant break in series.

15.2.1. Length of comparable time series

There is no significant break in time series.

15.3. Coherence - cross domain

Not applicable

15.3.1. Coherence - sub annual and annual statistics

Not applicable.

15.3.2. Coherence - National Accounts

Not applicable.

15.4. Coherence - internal

Data sets are internally consistent.


16. Cost and Burden Top

Total cost and burden are difficult to be calculated.


17. Data revision Top
17.1. Data revision - policy

Whenever data is submitted as provisional, a revision follows as soon as the final data is available. In case one or more data providers submitt a revision, prices are recalculated and submitted as soon as it is possible and no longer than a month after the change occurs. If the revision refers to more than 2 semesters backwards, a preannouncement takes place. When necessary, the semester 1 data is revised when submitting the semester 2 data for consistency reason between semestrial and annual prices.

17.2. Data revision - practice

Revision practice is described in S.17.1.

17.2.1. Data revision - average size

Household electricity prices collection: 0.003023979

Non-household electricity prices collection: 0.015251538


18. Statistical processing Top
18.1. Source data

The data come from companies that supply / sell electricity to final households or non-household consumers and they are based on a census process.

18.2. Frequency of data collection

For electricity prices: half yearly

For electricity price components: yearly

18.3. Data collection

The Department sends Eurostat΄s questionnaires to all electricity suppliers.

Consumption-weighted average prices are calculated from raw data.

 

18.4. Data validation

Submitted data is validated for consistency and completeness, by comparing the values with previous cycles and by checking that the population coverage and response rates are as required.

In case of inconsistent price data, the data providers are contacted to request a reconfirmation of the data.

18.5. Data compilation

Data represent weighted average prices, which are calculated by using the market shares of electricity supply companies.

Procedures for imputation,

 

 

18.5.1. Imputation - rate

Imputation rate is considered to be zero.

18.6. Adjustment

Not applicable.

18.6.1. Seasonal adjustment

Seasonable adjustments are not carried out.


19. Comment Top


Related metadata Top


Annexes Top