F G H I J
Feasibility Study
A methodology for identifying where and how energy is used on a site within core processes and then making recommendations for reducing usage and or eliminating waste.
Firm Gas
Gas supplied to a customer on a guaranteed basis, without interruption.
Fixed Charge
A monthly of quarterly charge levied by the supplier and is in addition to the standing charge.
Forwards Contract
An agreement to buy electricity from another party at a specified time in the future at a specified price with money changing hands at the delivery date.
Fossil Fuel
An energy source formed in the Earths crust from decayed organic material. The common fossil fuels are oil, coal, and natural gas.
Futures Contract
Similar to a forwards contract these are normally trade through an exchange on standard contract terms with profits or losses calculated and paid daily.
Gas Substation
A pressure reduction station located on the customers’ premises where gas is reduced from mains pressure regulated at a medium or low pressure for domestic or industrial use.
Gate Closure
In relation to a settlement period, the time 3.5 hours before the start of that settlement period. It defines the moment when bilateral contracting ends and the Balancing Mechanism for each associated trading period begins.
Generation
This covers the production of electricity at power stations. At present the main fuels used are gas, nuclear and coal, although there is now a growing use of renewable forms of energy, such as wind power, the burning of gas from landfill and waste incineration.
Gigawatt (GW)
A unit of power equal to 1 billion watts; 1 million kilowatts, or 1,000 megawatts.
Gigawatt-hour (GWh)
A unit of energy equal to million kilowatt-hours. 1 GWh is equivalent to the total electricity typically used by 250 homes in one year.
Grid Supply Point
A point of supply from the national transmission system to the local system of the distribution network operator.
GSS
Guaranteed Service Standard – customer service standards of performance that are set by OFGEM.
Half-Hour Data (HHD)
This is the product of the half-hour data meter. The data is used for invoicing, tendering and reporting purposes.
HV
High Voltage (Normally 11,000 Volts).
Imbalance
A situation where there is a difference between the amount of power produced and the amount of electricity contracted or sold.
IMServ
IMServ are an independent data collector of Half Hourly Data, from whom Broadfern purchase data. IMServ are responsible for checking the accuracy of the data.
Interconnector
A connection or link between power systems that enables them to draw on each others' reserve capacity in time of need.
Interruptible Gas
Gas supplied to a customer whose site has an alternate fuel source, on the basis that the supply might be interrupted for a specified period.
IPPC (Integrated Pollution Prevention Control)
Regulatory demands on industrial activity throughout the EC are more stringent than ever. The Integrated Pollution and Control (IPPC) directive means companies face new aspects for consideration, controls to put in place and an increase in work required to obtain and comply with environmental permits.