Like many industries, the energy industry has developed an language all of it's own. Brokers and suppliers talk about Duos Charges and Triads and avialabiity, but what to they actually mean?

We've put together what we think is the most complete glossary of energy terms on the net, if you can't find what you're looking for here give us a call and we'll see if we can help you.


Paper Market:

A market for contracts where delivery is settled in cash, rather than by the delivery of the physical product on which the contract is based.

Peak Load:

Periods during the day when energy consumption is highest. The introduction of additional gas or electricity to cover this demand is known as peak shaving.


Generation of electricity from light, often called solar power.


Performance and Innovation Unit of the Cabinet Office. It carried out a major review of energy policy 2001/02.


Publisher and provider of statistics on the energy and power sector in the UK.


Power purchase agreement.

Price Risk:

Potential fluctuations in the price of the underlying energy commodity.

Put Option:

An option giving the buyer, or holder, the right, but not the obligation, to sell a futures contract at a specific price within a specific period of time in exchange for a one-off premium payment. It obligates the seller, or writer, of the option to buy the underlying futures contract at the designated price, should the option be exercised at that price.


Photovoltaics (see above).