Wattlas — licence for the derived data ====================================== Wattlas publishes small, pre-computed JSON aggregates under `data/`. They are derived from open data published by transmission system operators, regulators and statistical offices. This file licenses **Wattlas's own derived aggregates**. It does not, and cannot, license the upstream data they are derived from: those remain subject to their own terms, which bind you independently of anything written here. Nor does it cover the source code (see the repository) or the map basemaps under `geo/`. Licence ------- Except for the files listed under "Exclusions" below, everything in `data/` is licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/ CC BY 4.0 is used deliberately, in that version: unlike CC BY 3.0 it explicitly grants the *sui generis* database rights that apply to a compiled dataset in the EU. Those rights, not copyright in the individual numbers, are what a licence over a dataset like this one actually concerns. Attribution ----------- Attribution is required. It is also the point: the reason this data is public, CORS-readable and licensed at all is so that other people can use it and say where it came from. Wattlas — https://wattlas.net — CC BY 4.0 Please also credit the upstream source of whatever you use. Every artefact names its own source in a `source` or `sources` field, and the full list is at https://wattlas.net/data-sources Several upstream providers require attribution in their own right. How to cite ----------- Wattlas (2026). . Derived from . https://wattlas.net/data/.json — CC BY 4.0. Retrieved . The `generated_at` field in each artefact records when it was computed. Most are rebuilt daily; `data/history/` is a one-time backfill and does not move. Exclusions ---------- The following files are **NOT** covered by the licence above. They embed upstream material that Wattlas does not own and therefore cannot sub-license. No reuse rights are granted for them here; if you want to use them, go to the upstream source and obtain its terms. data/fr_costs.json A curated cost stack hand-assembled from published studies, carried as a static table with a range and a citation. The figures are cited, not licensed. data/fr_nuclear_sites.json A compiled list of the French reactor fleet, drawing on public site data, RTE and the IAEA Power Reactor Information System (PRIS). data/capacity_adequacy.json Curated policy figures from the StromVKG and the European Commission's state-aid decision, each with its citation. data/marktwert.json The four German grid operators' official monthly market values (Marktwerte), from the netztransparenz.de WebAPI, converted from ct/kWh to €/MWh. The figures are the operators' own, quoted; obtain them and their terms at netztransparenz.de. data/ev_europe.json Curated from EAFO's (European Commission / Eco-Movement) published data updates. The figures are EAFO's own, quoted with their dates; EAFO offers no machine-readable export to derive from. data/ev_prices.json A dated snapshot of published charging tariffs, the ADAC motorway survey and the Bundeskartellamt sector-inquiry findings. Proprietary and semi-open sources, cited. data/ev_demand.json Electricity used by road transport, from Eurostat's energy balance, with the grid operators' scenarios from the Bundesnetzagentur's approved scenario framework cited beside it (CC BY-ND 4.0). The citation is not Wattlas's to license. data/ev_economics.json One listed company's audited results (Fastned Annual Report FY2025), quoted. A window into the sector, not a dataset Wattlas can license. data/ev_roadmap.json Germany's electric-car fleet (Eurostat) set against third-party projections: the Umweltbundesamt's projection data table (Datenlizenz Deutschland – Namensnennung 2.0) and Agora Verkehrswende's scenarios (CC BY 4.0 on its figures), with EU legal texts from EUR-Lex. Each figure keeps its publisher's terms; obtain them upstream. data/ai_dc_consumption.json Compiled from published IEA, LBNL, EPA, JRC and CSO estimates of data-centre electricity use, cited with page references. Not a Wattlas measurement. data/ai_dc_sources.json The source registry for this section: citation metadata for every figure the AI and data-centre views draw on, not a licensable dataset in itself. data/ai_dc_energy_per_token.json ML.ENERGY Benchmark v3 GPU measurements (mirrored, since the raw HF dataset is now gated behind a login — see data/schema.md) and the Hugging Face AI Energy Score benchmark, plus hand-curated per-query energy estimates (Google, Epoch AI, Jegham et al., de Vries) quoted with their own methods and dates. Cited third-party measurements and estimates, not a Wattlas dataset. data/ai_dc_token_volumes.json Epoch AI's compilation of vendor-disclosed usage figures (blog posts, earnings calls, investor decks), each row quoted with its source URL and Epoch's confidence flag. A compiled citation of others' disclosures, not a Wattlas measurement. data/ai_dc_energy_sources.json Ember shares + IEA scenario transcriptions + disclosed overlays. Ember's Yearly Electricity Data (CC BY 4.0, attribution carried in the JSON) gives the location method; the IEA Energy and AI chart, transcribed into a seed CSV, gives the marginal method; disclosed corporate contract percentages (verified=true rows only) give the market method. Never blended; each row is cited to its own registry source_id. data/ai_dc_implied_load.json Wattlas arithmetic (disclosed token volumes × assumed energy per token) on the two files above. It inherits their terms rather than adding a new one: every result row is an illustrative estimate, not a licensable Wattlas dataset. These files are also marked `dataset: false` in `data/ia.json`, so no `Dataset` structured data is emitted for the views that read them. Structured data that declares a licence over material the publisher does not hold would be worse than none. No warranty ----------- The data is provided as-is, for informational and educational purposes, with no warranty of accuracy, completeness or fitness for any purpose. Several figures are explicitly labelled upper bounds, models or estimates — the battery-arbitrage and flexibility figures assume perfect foresight and zero losses and are unachievable; the marginal-fuel view is a model, not a measurement; the curtailment cost is an estimate at a reference price. Those labels are part of the data. Reproducing a figure without its caveat misrepresents it. Nothing here is investment, trading or energy-procurement advice. See https://wattlas.net/terms