Reference Websites

DTULogo
Chemical Information

NIST- USA government standardization agency. Good for boiling point, thermodynamic data, etc.                                                                                                                                                                                

Redox potentials- It's wikipedia, so it's pretty trustworthy, but not perfect.

Semiconductor Bandgaps- Again, its wikipedia.

Acid Dillutions- A lazy man's way to calculate how to dillute acid to 1M.

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Energy information

Energy Institue's Statistical Review of World Energy- (Used to be run by BP oil) Overall summary of world energy supply and demand

EIA energy report- Overall summary of US and world energy. Data is  similar to BP's report.

NordPool-  Day ahead wholesale electricity prices for most of Europe 

Intercontinental Exchange (ICE)-  European natural gas prices from the port of Rotterdam.

Aggregated Gas Storage Inventory (AGSI)- Natural gas storage levels throughout Europe

Energinet.dk - The Danish national transmission operator.  Almost all of Danish energy data can be found here.