So an arrangement whereby the downstream customer's meter readings were subtracted from the main customer's readings before the bills were calculated? I've never heard of such an arrangement i the UK and can imagine all kinds of problems - e.g. getting readings from the two meters simultaneously, getting potentially two different energy companies to co-operate in sharing reading, not to mention how the supply might be cut-off if the original user failed to pay their bill but the downstream user was fully paid up.

The usual arrangement is either for separate DNO cables direct to each customer (or the likes of blocks of flats, BNO cabling) so each customer has their own independently metered supply; or a landlord/tenant situation where the landlord's supply is metered and the landlord pays the supplier's bill, and then the landlord can recover costs by privately metering tenant's supplies and billing them accordingly. I think there are rules about how much 'mark up' the landlord is allowed.

   - Andy.

AJJewsbury said:

I think there are rules about how much 'mark up' the landlord is allowed.

The maximum mark up is zero. https://www.ofgem.gov.uk/sites/default/files/docs/2003/01/1970-mrp_5.pdf

AJJewsbury said:

I think there are rules about how much 'mark up' the landlord is allowed.

The maximum mark up is zero. https://www.ofgem.gov.uk/sites/default/files/docs/2003/01/1970-mrp_5.pdf

Hello Simon, 

Thank you for the pointer to this document giving recommendations on the "mark up" on energy bills

Cheers

At our marina the electricity has a zero markup but an 'admin' charge is levied.

Hello Jim,

Thanks for the comment.

How is the metering done at the point of connection to the boat/yacht?

Centrally where the connection is distributed or at the point of connection?

Thank you very much

Gianni 

At the point of connection to each boat we have 'meters' read  by the marina.  There must be a supply meter centrally for the whole marina too.