• TV = Thames Valley (Oxfordshire, Buckinghamshire & Berkshire) & Surrey
• HW = Hampshire & the Isle of Wight
• KT = Kent 
• SU = East & West Sussex

• Distinctive name usually containing place and technology.

• Full organisation or personal name of owner of installation (where permission obtained).

• Full postal address (where permission obtained).

• 2-letter + 6-digit OS location reference.

• District/borough and county council, or unitary council, where installation is located. For offshore installations: location of land connection.

Renewable electricity or CHP sources:

• RES1a. Biomass = combustion or gasification of (dry) material of recent biological origin: energy crops, plant waste and/or animal waste.
• RES2a. Wind power - onshore
• RES2b. Wind power - offshore
• RES3. Biogas & sewage gas = gas-turbine usage of the products of anaerobic digestion of (wet) biomass: plant waste and/or animal litter
• RES4. Solar PV = solar photovoltaic power.
• RES5. Hydro-electric power = small HEP only.
• RES6. Tidal & wave power

Renewable heat-only or CHP sources:

• RES1a. Biomass = combustion of (dry) material of recent biological origin: energy crops, plant waste and/or animal litter.
• RES8. Other thermal = solar thermal/water heating; ground, water or air source heat pumps; geothermal heat & power.

Miscellaneous categories:

• RES1b. Co-firing of biomass = combustion with fossil fuels.
• RES3b. Landfill gas = gas-turbine usage of the products of anaerobic digestion of municipal waste at landfill sites.
• RES9. Energy crops = cultivation of plants for bioenergy uses.

1. Priority prospect = key design data known but planning process and construction not yet begun.
2. Awaiting planning permission = from applicable planning authority (local planning authority or the Dept. for Communities and Local Government).
3. Planning permission refused = by applicable planning authority.
4. Planning permission granted = by applicable planning authority.
5. Under construction = not yet generating useful energy.
6. Operational = commissioned and generating useful energy.
7. Planted = energy crops growing and being harvested.
8. Failed = plan or operation discontinued for non-planning related reasons.

• Date first became operational. Where applicable, date when construction started or planning permission applied for, gained or refused.

• Description of installation including types, numbers and capacities of principal energy-generating components.

• Manufacturer = name of maker of principal energy generating components. 
• Supplier = name of installer, retailer or consultants from whom principal energy generating components were purchased.

• Fuel = description of energy-containing input for biomass installations.
• Feedstock = description of energy-containing input for biogas & sewage gas installations.

• Typical amount of fuel (biomass installations) or feedstock (biogas or sewage gas installations) used annually, in fuel-ready tonnes per annum.

• Total standard rated (wind, hydro, wave & tidal), maximum (biomass, biogas, co-firing) or peak (PV) rate of electricity output of installation, in kilowatts (kWe).

Co-firing: equivalent renewable-only capacity of generating station, i.e. proportion of total capacity in ratio of renewable-to-conventional energy input.

• Total standard rated or maximum rate of heat output of installation, kWth.

Solar thermal: Capacity, kWth = aperture area, m2 × 0.7 kWth/m2.

• Average power output setting during time of operation, kWe. 

If power setting unknown:

• Annual energy output, kWh ÷ annual hours of operation, h. 

If annual energy output unknown:

• Capacity, kWe × regional average capacity factor.

If regional average unavailable: 

• Capacity, kWe × national average capacity (DNC) factor 

PV: (0.17 × kWp) - (in-house load)
Wind: (0.43 × kWrated) - (in-house load)
Wave & tidal: (0.33 × kWrated) - (in-house load)
Biomass/biogas electric-only or CHP plant, Hydro: kWe,rated - (in-house load) 
For technology-specific values of regional average capacity factors, see below*.

• Average power output setting during time of operation.

If power setting unknown:

• Capacity kWth × regional average capacity factor.

For technology-specific values of regional average capacity factors, see below*.

• Amount of electricity produced per annum, in megawatt-hours (MWhe).

If annual electricity output unknown:

• Average electrical operating power, kWe × annual hours of operation, h × 1000

• Amount of heat produced per annum, MWhth.

If annual electricity output unknown:

• Average thermal operating power, kWth × annual hours of operation, h × 1000

Biomass (wood): 

• Energy output, MWh = (fuel energy content, 12,810MJ/t ÷ 3.6MJ/kWh) × efficiency × annual fuel consumption, t/yr

• Description of building(s), grid or whatever other use made of electricity generated.

• Description of building(s) or whatever other use made of electricity generated.

• Principal motive for developing this renewable energy installation.

• Intended or incidental benefits to local community and/or the wider population, other than solely environmental and economic benefits.

• Number of full-time equivalent jobs directly created or sustained by this renewable energy installation.

• Number of full-time equivalent jobs indirectly created or sustained by this renewable energy installation including fuel supply, delivery, and maintenance.

• Number of businesses started as result of (and dependent on existence of) this renewable energy installation.

• Estimated annual savings on energy use, neglecting installation's capital costs. Not applicable to commercial generation schemes.

• Cost of total renewable energy installation, including installation cost; excluding VAT. Includes amount of any grants received and grant-giver.

• Conventional energy previously used and now replaced by renewable energy installation. If none previously used, likely conventional energy alternative displaced. If more than one source replaced, includes estimate of proportions of annual energy output covered respectively by each replaced (or displaced) source.

• Greenhouse gases displaced due to total energy generated by this renewable energy scheme (based on S29 above), in tonnes CO2-equivalent (tCO2). Calculated from:

Combined annual energy output, MWh × {(0.19 ×g ÷ŋg) + (0.27 ×o ÷ŋo) + (0.32 ×c ÷ŋc) + (0.25 ×d ÷ŋd) + (0.25 ×l ÷ŋl) + (0.43 ×e) - (0.025 ×b ÷ŋb)}

g, o, c, d, l, e = proportions of energy output otherwise supplied respectively by (where applicable) natural gas, heating oil, coal, diesel, LPG and/or grid electricity;
b = proportion of output now generated from biomass (= 1 for biomass installations, 0 for all other technologies);
ŋg, ŋo, ŋc, ŋd, ŋl, ŋb = energy conversion efficiency of applicable fossil fuel alternative(s) / biomass installations: see below for values ***.
Biomass CHP: Combine electrical and thermal useable energy outputs and use emissions factor for alternative fuel (i.e. not electricity factor.)
Biogas & Sewage Gas CHP: Use electricity factor (assumes all heat recycled in anaerobic digestion process).

• Equivalent number of average households covered by annual heat output of installation. Calculated from:
  South East average household electricity consumption = 4.95 MWh/yr. 

• Equivalent number of average households covered by annual heat output of installation. Calculated from:
  South East average household electricity consumption = 4.9 MWh/yr.

UK average household thermal consumption = (38.5×106toe × 11,630kWh/toe) ÷ 21,660,475 = 21 MWh/yr. (Total UK household heat energy consumption in 2000 = 38.5 tonnes oil equivalent (toe) and no. households UK in 2001 = 21,660,475).