User Leaderboard - Havenwise

	Manufacturer	Location	COP*	Heating Cost**
1	Vaillant	Yorkshire	4.9	4 p/kWh
2	Vaillant	South West England	4.9	5 p/kWh
3	Vaillant	South East England	4.8	3 p/kWh
4	Vaillant	London	4.7	5 p/kWh
5	Vaillant	Central Scotland	4.7	5 p/kWh
6	Mitsubishi	South West England	4.6	4 p/kWh
7	Vaillant	Yorkshire	4.6	5 p/kWh
8	Vaillant	London	4.6	3 p/kWh
9	Vaillant	East England	4.6	3 p/kWh
10	Vaillant	Southern England	4.6	5 p/kWh

* Coefficient of Performance (COP) is based on kWh consumption and kWh production as reported by manufacturer APIs for the period above.
** Heating Cost is calculated from user-reported tariff costs as well as kWh consumption and kWh production as reported by manufacturer APIs.

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