Where Energy Comes From
Electricity Essentials
Gas Essentials
Smart Meters & Readings
The UK Energy Customer
100

What are the two main types of electricity sources used in the UK?


Renewable and non-renewable sources.

100

Who is responsible for the service head and street equipment?


The DNO (Distribution Network Operator).

100

What is the unique identifier for a gas supply?


MPRN (Meter Point Reference Number).

100

What does a smart meter automatically send to the supplier?


Meter readings.

100

What percentage of UK homes use gas central heating?


78%.

200

What is the name of the agreement OVO uses to buy renewable energy directly from generators?


A Power Purchase Agreement (PPA).

200

What do customers pay per day regardless of usage?


Standing charge.

200

Which organisation stores the UK’s gas supply data?


XOServe.

200

Name one common IHD model used by OVO.


Pipit or Chameleon.

200

What is the most commonly used boiler type in UK homes?


A combi boiler.

300

Which organisation maintains the national electricity data (excluding personal data)?


ECOES (Electricity Central Online Enquiry Service).

300

What type of electricity meter has two registers (day and night)?


Multi-rate / Economy 7 meter.

300

What type of gas meter has four digits on the display?


An Imperial gas meter.

300

How often can smart meters send readings?
A) Every 30 mins
B) Once a month
C) Every 12 hours


A) Every 30 minutes.

300

What document sets the maximum price suppliers can charge for variable tariffs?


The OFGEM Price Cap.

400

What does MPAN stand for and what does it identify?


Meter Point Administration Number; it uniquely identifies an electricity supply.

400

Where can all supply and meter information be checked for Elec (nationally)?


Ecoes database.

400

What must gas usage be converted into before it can be billed?


kWh (kilowatt-hours).

400

What are two key benefits of smart meters to customers?


Accurate bills & real-time usage insights (or: no estimates, better control over energy).

400

What is a key emotional impact of rising energy costs on customers?


Stress, anxiety, fear (any of these is acceptable).

500

What is the correct order of the electricity journey?
Generation → ______ → ______ → Distribution → Customer.

Generation → Transmission → Distribution → Customer.

500

True or False: When a customer switches electricity suppliers, their electricity meter is removed and replaced.


False — they keep the same meter.

500

Who is responsible for the pipes in the street and up to the customer’s meter?


The Gas Transporter.

500

What type of electricity meter do large homes or businesses sometimes require?


A three-phase electricity meter.

500

Name two major UK energy suppliers (“Big 6” style).


Any two: OVO, British Gas, EDF, E.ON Next, Octopus, ScottishPower.

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