Q. Energy prices, consumption and production

Go to Energy - European Commission

For data on Spain, take a look at Secretaría de Estado de Energía Ministerio para la Transición Ecológica
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For US data, go to the Energy Information Administration from the U.S. Dept. of Energy

Go to Discovery and search by using keywords like "energy consumption" or "small business". Combine with other keywords to narrow your search.

Also, go to OECD iLibrary.

Use Datastream, a database available only from Barcelona and Madrid Libraries (through Eikon).