{"id": 42569, "name": "Efficiency of lighting (OWID based on Fouquet & Pearson (2007))", "unit": "lumen-hours per kilowatt-hour", "description": "The weighted-average efficiency of lighting in the United Kingdom. Calculated based on percentage share and efficiency data of lighting sources from Fouquet & Pearson (2006). Data represents the national average efficiency, calculated as the sum of (% share * efficiency) of each source.", "createdAt": "2017-10-03T15:03:38.000Z", "updatedAt": "2023-06-15T05:05:42.000Z", "coverage": "United Kingdom", "timespan": "1700-2000", "datasetId": 949, "columnOrder": 0, "dataPath": "https://api.ourworldindata.org/v1/indicators/42569.data.json", "metadataPath": "https://api.ourworldindata.org/v1/indicators/42569.metadata.json", "datasetName": "Lighting efficiency in UK - OWID based on Fouquet & Pearson (2007)", "type": "float", "nonRedistributable": false, "display": {}, "source": {"id": 6808, "name": "Lighting efficiency in UK - OWID based on Fouquet & Pearson (2007)", "dataPublishedBy": "Lighting efficiency in UK - OWID based on Fouquet & Pearson (2007)", "dataPublisherSource": "", "link": "", "retrievedDate": "", "additionalInfo": "Data was calculated by OWID based on published figures by Fouquet & Pearson (2006). Calculated as the weighted-average efficiency of lighting in the United Kingdom. Calculated based on percentage share and efficiency data of lighting sources from Fouquet & Pearson (2006). Data represents the national average efficiency, calculated as the sum of (% share * efficiency) of each source.\n\nFor example: (share of lighting from candles * efficiency of candles) + (share of lighting from whale oil * efficiency of whale oil) + (share of lighting from kerosene * efficiency of kerosene).\n\nEfficiency is measured in lumen-hours per kilowatt-hour.\n\nReference:\n\nFouquet, R and Pearson, P J G (2006): \u2018Seven Centuries of Energy Services: The Price and Use of Light in the United Kingdom (1300-2000)\u2019, The Energy Journal, 27(1). Available at: http://eprints.lse.ac.uk/50460/ [accessed 3rd October 2017]."}, "dimensions": {"years": {"values": [{"id": 1700}, {"id": 1750}, {"id": 1800}, {"id": 1850}, {"id": 1900}, {"id": 1950}, {"id": 2000}]}, "entities": {"values": [{"id": 1, "name": "United Kingdom", "code": "GBR"}]}}}