Zaptec Index Data Sources

Data	Source	Used for	Trustworthiness	Publisher cadence	Monday weekly run expectation (internal note)
EU/EEA household electricity	Eurostat nrg_pc_204, Band DC, all taxes included	Norway, Sweden, Denmark, Finland, Iceland, Ireland, Germany, Netherlands, Belgium, Luxembourg, France, Austria, Spain, Portugal, Italy	High. Official EU statistical dataset, harmonised methodology, national submissions	Semestrial	Weekly checks are fine, but values will usually repeat for months
UK electricity	Ofgem Energy Price Cap Annex 9	UK electricity unit rate	High. Official UK energy regulator	Every 3 months	Weekly run will usually repeat the same value until the next cap period
Switzerland electricity	ElCom / LINDAS Swiss federal linked-data endpoint	Swiss household electricity	High. Official Swiss federal energy data	Annual tariff-style data	Weekly run will almost always repeat; expect meaningful changes yearly
EU fuel	European Commission Weekly Oil Bulletin	Sweden, Denmark, Finland, Ireland, Germany, Netherlands, Belgium, Luxembourg, France, Austria, Spain, Portugal, Italy	High. Official European Commission weekly bulletin, submitted by member states	Weekly. National data submitted Wednesdays, bulletin sent/published Thursdays	Monday morning should pick up the previous Thursday’s bulletin
UK fuel	GOV.UK / DESNZ weekly road fuel prices	UK petrol/diesel	High. Accredited official statistics	Weekly	Monday morning may get the latest available publication, but depending on release timing can be previous week’s data
Norway fuel	Statistics Norway / SSB StatBank table	Norway petrol/diesel	High. Official national statistics	Monthly	Weekly run will repeat until SSB publishes the next month
Switzerland fuel	Swiss Federal Statistical Office / BFS consumer price data	Swiss petrol/diesel	High. Official national statistics	Monthly	Weekly run will repeat between monthly releases
Iceland fuel	Gasvaktin open data on GitHub	Iceland petrol/diesel average	Medium. Practical open fuel-price dataset, but not a national statistical authority	Appears operational/current, not guaranteed by statutory publication cycle	Weekly run is reasonable, but treat as best-effort market data
Exchange rates	ECB daily euro foreign exchange reference rates	EUR conversion and currency table	High. Central-bank reference rates	Every working day around 16:00 CET, excluding TARGET closing days	Monday morning likely still sees Friday’s rate until ECB publishes Monday afternoon
Public AC/DC charging	Recharge, ESB, Allego, Electra, Orkan, IONITY, OpenChargeMap, plus manual fallbacks	Public charging price comparison	Mixed. Operator pages are direct but scrape-fragile; OpenChargeMap is community/open data; manual fallbacks are estimates	Ad hoc, whenever operators or contributors update pricing	Weekly is a sensible polling interval, but changes are irregular and source reliability varies by country

Data

Source

Used for

Trustworthiness

Publisher cadence

Monday weekly run expectation (internal note)

EU/EEA household electricity

Eurostat nrg_pc_204, Band DC, all taxes included

Norway, Sweden, Denmark, Finland, Iceland, Ireland, Germany, Netherlands, Belgium, Luxembourg, France, Austria, Spain, Portugal, Italy

High. Official EU statistical dataset, harmonised methodology, national submissions

Semestrial

Weekly checks are fine, but values will usually repeat for months

UK electricity

Ofgem Energy Price Cap Annex 9

UK electricity unit rate

High. Official UK energy regulator

Every 3 months

Weekly run will usually repeat the same value until the next cap period

Switzerland electricity

ElCom / LINDAS Swiss federal linked-data endpoint

Swiss household electricity

High. Official Swiss federal energy data

Annual tariff-style data

Weekly run will almost always repeat; expect meaningful changes yearly

EU fuel

European Commission Weekly Oil Bulletin

Sweden, Denmark, Finland, Ireland, Germany, Netherlands, Belgium, Luxembourg, France, Austria, Spain, Portugal, Italy

High. Official European Commission weekly bulletin, submitted by member states

Weekly. National data submitted Wednesdays, bulletin sent/published Thursdays

Monday morning should pick up the previous Thursday’s bulletin

UK fuel

GOV.UK / DESNZ weekly road fuel prices

UK petrol/diesel

High. Accredited official statistics

Weekly

Monday morning may get the latest available publication, but depending on release timing can be previous week’s data

Norway fuel

Statistics Norway / SSB StatBank table

Norway petrol/diesel

High. Official national statistics

Monthly

Weekly run will repeat until SSB publishes the next month

Switzerland fuel

Swiss Federal Statistical Office / BFS consumer price data

Swiss petrol/diesel

High. Official national statistics

Monthly

Weekly run will repeat between monthly releases

Iceland fuel

Gasvaktin open data on GitHub

Iceland petrol/diesel average

Medium. Practical open fuel-price dataset, but not a national statistical authority

Appears operational/current, not guaranteed by statutory publication cycle

Weekly run is reasonable, but treat as best-effort market data

Exchange rates

ECB daily euro foreign exchange reference rates

EUR conversion and currency table

High. Central-bank reference rates

Every working day around 16:00 CET, excluding TARGET closing days

Monday morning likely still sees Friday’s rate until ECB publishes Monday afternoon

Public AC/DC charging

Recharge, ESB, Allego, Electra, Orkan, IONITY, OpenChargeMap, plus manual fallbacks

Public charging price comparison

Mixed. Operator pages are direct but scrape-fragile; OpenChargeMap is community/open data; manual fallbacks are estimates

Ad hoc, whenever operators or contributors update pricing

Weekly is a sensible polling interval, but changes are irregular and source reliability varies by country

The prices are maintained as representative benchmarks for comparison rather than exact consumer rates. Actual costs may vary depending on supplier, contract type, region, payment method, charging operator, subscription plan, VAT treatment, and time of use.