![Octopus Energy urges customers to 'switch on' hoover between 1pm and 2pm](https://cdn.newsserve.net/ONPglobe256.png)
Octopus Energy urges customers to 'switch on' hoover between 1pm and 2pm
Customers who are signed up for the energy firm's "Octoplus" rewards scheme can get free electricity when the wholesale price of electricity "drops significantly" or "goes negative".
Full Article