Business tariffs

Standard electricity charges (NA, NC) are levied in respect of commercial premises which are supplied with electricity which comprises a daily standing charge and a consumption based unit charge below. When signing up for your new tariff why not also sign up for Direct Debit and e-billing which will provide you with an extra £1.50 discount on your quarterly bill.

Please Note that the times stated are Greenwich Mean Time (GMT) and will alter during British Summer Time (BST).

The EVC Tariff is a two-rate tariff with a separate electricity meter required. It is available to Commercial customers who wish to install electric vehicle charging with a maximum capacity of 49kVA. The customer must have off road car parking and provide a dedicated Electric Vehicle charging circuit, no other equipment must be connected to this circuit.

For further information and what to do next please read our Electric Vehicle Commercial Tariff guidance

If you require a supply more than 50kVa you can apply for our Economy 8 Demand Tariff

The Commercial Plus tariff is available for customers at a commercial premises where the supply is between single phase 10kW or three phase 50kW maximum supply, with a balanced load and a power factor of 0.9 or better and electricity is the primary source of heating for the entire business premise.

This tariff gives 8 hours availability at a reduced tariff for all use. This tariff is available where Air or Ground Source heat pumps, or off-peak storage heating load is utilised between the hours of 23.00 – 07.00 (8 Hours) ±15mins. The ±15mins band is to allow for variations in time clock accuracy within the meter and it is the responsibility of the customer to check the accuracy of the meter to ensure any timing systems are co-ordinated. The customer should install a time switch to control times of use. We will supply a two rate meter to give the customer benefit of the reduced tariff.

A minimum of 6kW heating load is required to qualify.

The customer will be required to provide a Direct Dial Inwards phone line/extension. Alternatively the MUA may provide a mobile data Sim both will incur an additional charge per month as per Appendix A (currently £5.00)

This is a two rate tariff and is subject to Direct Debit payments to qualify. Invoices will attract commercial VAT at 20%

The Economy 8 Tariff (E8) is a two rate tariff available to customers who do not exceed 15kVA single phase or 50kVA on a three phase supply. The customer will be supplied at low voltage from the MUA network. The load will be required to be taken as balanced over the three phases and have a power factor of 0.9 or better. The customer will be required to utilise 30% of their load during the off peak hour’s period to qualify.

A two-rate ‘Economy 8 Demand’ tariff (M3 LV, M4, HV) is also offered for premises industrial premises where load exceeds 50kVA and where a minimum of 30% of daily load is consumed during the off peak period (23:00-07:00) and whose load exceeds 50kVA.  The lower rate unit charge is available from 23:00 to 07:00 (GMT)  or have a dedicated meter for charging electric vehicles where the capacity of the connected EV chargers exceeds 50kW. Charges are as follows:

The Maximum Demand (MD) charge is applied for the highest demand recorded in a half-hour period in any month, subject to a minimum of 50 kVA.  The Maximum Demand charge is £2.61 per kVA per month (plus VAT). 

An Agreed Supply Capacity (ASC) charge is applied based on the customer’s required capacity and penalty charges will be applied for customers exceeding their ASC in any month.  The Agreed Supply Capacity charge is £1.43 per kVA per month (plus VAT) and the penalty charge is £29.18 per kVA per month. 

Industrial customers may also be required to provide a Direct Dial Inwards phone line/extension or mobile data (cellular/SIM) at an additional charge of £5.00 per month. 

A private generation tariff (M1 PT LV, M2 PT HV, M3 PT LV, M4 PT HV) is also available for the industrial tariffs to accommodate combined heat and power installations. In addition to the charges above, a Reserve Demand charge is applied based on the installed generation capacity and is imposed to reflect the reduction in income from lost unit sales to support the ongoing cost of operating our network. Reserve Demand charge of £4.06 kVA per month.

For further information and what to do next please read our Economy 8 Demand Tariff guidance

A maximum demand tariff (M1 LV, M2 HV) is offered to industrial premises where load exceeds 50kVA. A daily standing charge, consumption based unit charge and demand and capacity charges as follows

The Maximum Demand (MD) charge is applied for the highest demand recorded in a half-hour period in any month, subject to a minimum of 50 kVA.  The Maximum Demand charge is £2.61 per kVA per month (plus VAT). 

An Agreed Supply Capacity (ASC) charge is applied based on the customer’s required capacity and penalty charges will be applied for customers exceeding their ASC in any month.  The Agreed Supply Capacity charge is £1.43 per kVA per month (plus VAT) and the penalty charge is £29.18 per kVA per month. 

Industrial customers may also be required to provide a Direct Dial Inwards phone line/extension or mobile data (cellular/SIM) at an additional charge of £5.00 per month. 

A private generation tariff (M1 PT LV, M2 PT HV, M3 PT LV, M4 PT HV) is also available for the industrial tariffs to accommodate combined heat and power installations.  In addition to the charges above, a Reserve Demand charge is applied based on the installed generation capacity and is imposed to reflect the reduction in income from lost unit sales to support the ongoing cost of operating our network. Reserve Demand charge of £4.06 kVA per month.

This tariff is available to customers whose annual consumption exceeds 1 million kWh per annum and have a load factor of at least 70%.  It  provides a single low 24/7/365 unit rate to recognise the beneficial nature of a relatively  flat demand shape on the operation of our network and which is easily accommodated by our generation facilities.  If the consumption or load factor drops below 1 Million units per annum or 70% over a 12-month period, we will withdraw the tariff and replace it with a more appropriate tariff. The customer will be required to demonstrate a continuous load factor of above 70% using the maximum kW recorded in a 12 month period. 

Customers are required to provide a direct dial inwards phone line/extension. Alternatively we may provide a mobile data Sim. Both incur additional charges per month. This tariff will require the payment of an Agreed Supply Capacity Charge (ASC) in kVA. This figure is defined by the customer to meet their expected peak demand in any half hour period per month. If the customer exceeds this then a penalty charge will be applied. This tariff also incurs a Maximum Demand (MD) charge which is based on the peak half-hour demand in kVA in any month.

High Volume

The High Volume Tariff (HVU1) is available to customers whose consumption exceeds 1,000,000 kWh per annum, and provides a slightly reduced unit rate to recognise the greater demand provided by high volume users.

Customers are required to provide a direct dial inwards phone line/extension. Alternatively we may provide a mobile data Sim. Both incur additional charges per month.  This tariff will require the payment of an Agreed Supply Capacity Charge (ASC) in kVA. This figure is defined by the customer to meet their expected peak demand in any half hour period per month. If the customer exceeds this then a penalty charge will be applied. This tariff incurs a Maximum Demand (MD) charge which is based on the peak half-hour demand in kVA in any month.

High Volume - 2 Rate

The High Volume 2 Rate (HVU2) is a two rate tariff and can be provided to customer who utilise at least 30% of their load during the off peak hours to qualify. MUA will monitor, amend and charge retrospectively when the tariff criteria is not met. Customers who qualify for the HVU2 tariff can use the period of 23.00—07.00 for the operation and benefit of their business at a lower rate.

The Public Lighting (PL) Tariff is available for local authorities for public lighting supplies, to the highway authority for traffic control equipment and for telecoms were telephone kiosks require a lighting supply. This tariff applies to unmetered supplies and the onus is placed on the relevant authority, to advise of any changes they may make to the installations on a regular basis advising the location, type, rating and running hours of the equipment. This must be reported to MUA on a monthly basis.

Any supply registered on the PL Tariff must comply with the UK Electricity (unmetered) Supply Regulations (SI 2001/3263). In general the Regulations require that the load must be predictable and either less than or 500 W; or it is impractical for the supply to be metered either technically, financially or for legal reasons.