Photographs
All photographs are from Wikimedia Commons under the free licences shown. A uniform colour grade is applied on this site; the originals are unaltered at source.
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Marco Polo at Dusk.jpgGuavaTrain · Wikimedia Commons · CC0
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Holstein at Dusk.jpgGuavaTrain · Wikimedia Commons · CC0
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The National Assembly Globe.jpgOvinuchi Prince Ejiohuo · Wikimedia Commons · CC BY-SA 4.0
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View of Abuja from Katampe hill 07.jpgKritzolina · Wikimedia Commons · CC BY-SA 4.0
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View of Abuja from Katampe hill 02.jpgKritzolina · Wikimedia Commons · CC BY-SA 4.0
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View of Abuja from Katampe hill 05.jpgKritzolina · Wikimedia Commons · CC BY-SA 4.0
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Abuja city gate.jpgFawaz.tairou · Wikimedia Commons · CC BY-SA 4.0
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Petroleum Technology Development Fund Abuja.jpgSerieminou · Wikimedia Commons · CC BY-SA 4.0
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Mini-Grid Bayelsa.jpgRupumped · Wikimedia Commons · CC BY-SA 4.0
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SOLAR POWER IRRIGATION RICE FARMING.jpgSMMIMAGES · Wikimedia Commons · CC BY-SA 4.0
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Solar Power Plant Karibib.jpgHp.Baumeler · Wikimedia Commons · CC BY-SA 4.0
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PS20 & PS10 solar power plants.jpgkallerna · Wikimedia Commons · CC BY-SA 4.0
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Middelgrunden offshore wind farm 03.jpgKritzolina · Wikimedia Commons · CC BY-SA 4.0
Brand marks
The CEII seal, logo and membership artwork are the property of the Centre for Energy Investment and Innovation.
Maps
Power plants and transmission lines © OpenStreetMap contributors, available under the Open Database Licence (ODbL 1.0). State boundaries from geoBoundaries (source: GRID3), CC BY 4.0.
World data
Country boundaries: Natural Earth (public domain). Country currencies, capitals and flags: mledoze/countries (ODbL 1.0). Power plants: WRI Global Power Plant Database v1.3 (CC BY 4.0). Country registry and indicators: World Bank (CC BY 4.0).
IP Geolocation by DB-IP (CC BY 4.0), used on CEII’s own server to recognise your country.
Data
- CEII Newsroom — global energy press: Publisher RSS feeds (see list), Headlines and links only; articles remain on the publisher’s site.
- Global reference exchange rates: ExchangeRate-API (open access tier), Free use with attribution.
- Currency history, 12 months: European Central Bank, via Frankfurter, ECB reference rates, free reuse.
- Daily solar irradiation forecast, 18 world cities: Open-Meteo, CC BY 4.0.
- Energy benchmarks (crude, gas and refined products): U.S. Energy Information Administration, Public domain (U.S. Government work).
- US weekly oil and gas fundamentals: U.S. Energy Information Administration, Public domain (U.S. Government work).
- Production and consumption by country (oil, gas, coal, power): U.S. Energy Information Administration, International Energy Statistics, Public domain (U.S. Government work).
- World Development Indicators — every country: The World Bank, CC BY 4.0.
- Electricity generation, mix and carbon intensity: Ember, CC BY 4.0.
- Global commodity prices: gas, LNG, coal, uranium and transition metals: IMF Primary Commodity Prices, via the Federal Reserve Bank of St. Louis (FRED), Public data; cite IMF and FRED.
- Energy company share prices: Real-Time Finance Data (via RapidAPI), Licensed API; prices for information only.
- Retail petrol, diesel and LPG prices (Europe, United States): Gas Price API (via RapidAPI), Licensed API.
- Energy news search: Real-Time News Data (via RapidAPI), Licensed API; headlines and links only.
- European wholesale electricity prices (day-ahead): ENTSO-E Transparency Platform, ENTSO-E Transparency Platform terms; free reuse with attribution.
Exchange rates: Rates by Exchange Rate API. Weather data by Open-Meteo.com (CC BY 4.0).
Typeface
Public Sans, by the U.S. Web Design System, under the SIL Open Font Licence 1.1.