3 ms·
During the Dot-com bubble, I remember a startup in Germany that placed boxes under high-voltage transmission lines to measure the current and sold that data to
by weinzierl 3y ago
During the Dot-com bubble, I remember a startup in Germany that placed boxes under high-voltage transmission lines to measure the current and sold that data to analysts.
Never heard of them again, so I guess in the long run it was either cheaper to buy that data.
- Thri4895o 3y agoNetwork frequency changes and fluctuates around 50hz. This change is random and unique. It is also captured on video/audio recording as background hum. This data is quite valuable. You can reconstruct exact time (and region) when any video was taken.
- 127361 3y agoThe police keep track of this, and it can be used to validate audio recording evidence. https://en.wikipedia.org/wiki/Electrical_network_frequency_analysis https://en.wikipedia.org/wiki/Electrical_network_frequency_a...
- toomuchtodo 3y agohttps://news.ycombinator.com/item?id=38161677 https://news.ycombinator.com/item?id=38161677 https://datethis.app/ https://datethis.app/
- 7952 3y agoThere is a lot of interest at the moment in monitoring lines. The capacity of a line can change due to things like weather conditions. The capacity is rated based on a conservative set of assumptions. Sensors mean that they could send more power safely. This could help connect more renewable power.
- toomuchtodo 3y agohttps://news.ycombinator.com/item?id=38983886 https://news.ycombinator.com/item?id=38983886 https://electrek.co/2023/12/07/heimdall-power-meteomatics-grid-capacity-30-percent/ https://electrek.co/2023/12/07/heimdall-power-meteomatics-gr...
- idiotsecant 3y agoYou can get all that data and more for free now on most interchange websites.
- DamonHD 3y agoThe various EU transparency laws/directives may mean that such data is freely published via ENTSO-E or similar...