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Estimated Annual Bill FAQs

What is an EAB?

EAB stands for "Estimated Annual Bill". It is a simple indicator that customers can use to compare and contrast tariffs from the same Supplier or between different Supplier tariffs. In a nutshell, it allows customers to compare “apples with apples”.


Is the Estimated Annual Bill calculated at a Customer Level or a tariff level?

The EAB is calculated at a tariff level. In PrepayPower we have 5 different tariffs and subsequently each has its own EAB. The EAB is not a calculation of your specific usage or usage history.


Is the Estimated Annual Bill exactly what I will pay for a year in energy costs?

No, as the name suggests, it is an estimated value based on the CRU’s typical annual consumption figures for gas and electricity. You may pay more or less than this typical rate depending on your energy use.


How does PrepayPower Calculate the Estimated Annual Bill?

(a) For electricity we calculate as follows:

The estimated annual bill for Nightsaver tariffs is calculated assuming 50% of electricity is consumed during the day and 50% is consumed at night.

(Unit Rate x CRU typical annual electricity consumption value) + (Standing Charge + Service Charge + PSO) x 365

Tariff Unit Rate  CRU Typical Annual Elec Consumption Value   Standing Charge* Service Charge *  PSO  EAB (ex. VAT) EAB (incl. VAT*) 
24 Hr Urban Standard  38.11c    4,200 kwh   €1.0117   45.04c 00.00c  €2090.24  €2278.36
 24 Hr Rural Standard  38.11c    4,200 kwh    €1.3221   45.04c 00.00c  €2194.19 €2391.67
 Urban Nightsaver Standard   42.20c & 20.84c    4,200 kwh    €1.3471   45.04c 00.00c  €1925.76  €2099.08
 Rural Nightsaver Standard   42.20c & 20.84c    4,200 kwh    €1.5942   45.04c 00.00c  €2008.53  €2189.29
 Urban Time of Use Day/Night/Peak  39.77c, 20.62c & 40.15c    4,200 kwh   99.18c   45.04c 00.00c  €1970.25  €2147.57
 Rural Time of Use Day/Night/Peak  39.77c, 20.62c & 40.15c    4,200 kwh    €1.3145   45.04c 00.00c  €2062.09  €2247.68

* Price includes VAT at 9%

(b) For gas we calculate as follows:

((Unit Rate + Carbon Tax) x (CRU typical annual electricity consumption value)) + (Standing Charge + Service Charge) x 365

Tariff Unit Rate* Carbon Tax* CRU Typical Annual Gas Consumption Value Standing Charge* Service Charge* EAB (incl. VAT*) EAB (ex. VAT)
PrepayGas  14.27c   0.81c  11,000 kwh  43.00c  19.42c €1,855.53 €1,730.32

* Price includes VAT at 9%


What is the CRU published Typical Annual Electricity Consumption Values for gas and electricity?

Year  Gas Elec
2017/2018 11,000 kWh 4,200 kWh

All Participants (suppliers) in the Electricity and gas industry will use these industry indicative values to calculate their EAB.