I think that's only for broadband to the premises.If you aren't already aware this may be of interest....
https://gov.wales/sites/default/files/inline-documents/2018-12/32150_Access Broadband Cymru_Eligibility Criteria_English_FINAL WEB.pdf
Pow-Lo's problem is distributing it around the house.
Power line adapters are the neatest option, but good quality shielded cabling is the most reliable. It's the routing of it that's the faf.