RenewableNI – helping you to understand the renewable energy sector

There are many technicial terms and acronyms in the renewable electricity industry.  This glossary explains all those RNI has used in reports and consultations.

A-E renewable terms

A

B

  • BAU Demand: Business As Ususal Demand (normal)
  • BECCS: Bioenergy Carbon Capture and Storage
  • Blue hydrogen: Derived from natural gas,  the CO2 emissions are captured to either be used in industrial processes or stored underground using carbon capture, utilisation and storage (CCUS)

C

  • CCC: Committee on Climate Change
  • CCS: Carbon Capture and Storage
  • CCUS: Carbon Capture, Utilisation and Storage
  • CRM: Capacity Remuneration Mechanism
  • CfD: Contracts for Difference
  • COP: heat pump (HP) measurement Coefficient of Performance
  • CPPA: Corporate Power-Purchase Agreements

D

  • DS3: Delivering a Secure Sustainable Electricity System
  • DG: Distributed Generation (defined by Ofgem as “electricity generation which is connected to the distribution network rather than the high voltage transmission network”.

E

  • EV: Electric Vechile

K-O renewable terms

K

L

  • LCDE
  • LCOE:
  • LDS: Long-Duration Storage

M

  • MtCO2: Metric tons of carbon dioxide equivalent

N

  • NIRO: Northern Ireland Renewable Obligation scheme

O

F-J renewable terms

F

G

  • GHG: Greenhouse gases
  • Grey Hydrogen: Greated from natural gas, or methane, using steam methane reformation but without capturing the CO2 made in the process.
  • Green Hydrogen: Produced by splitting water using electrolysis that has been powered by renewable energy sources such as wind or solar. This is the cleanest type of hydrogen as CO2 is not produced as a by-product.

H

  • HP: Heat Pump

I

  • I-SEM: Integrated Single Electricity Market
  • ISCC: Installed Sychronous Condenser Capacity
  • IRENA: International Renewable Energy Agency

J

P-Z renewable terms

P

  • Pink Hydrogen: Generated through electrolysis powered by nuclear energy. Nuclear-produced hydrogen can also be referred to as purple hydrogen or red hydrogen.
  • PSO: Public Service Obligation
  • PV: solar panel/ Photovoltaics

Q

R

  • ROCs: Renewable Obligation Scheme
  • RES: Renewable Energy Sources
  • RES-E: Renewable Energy Sources – electricity
  • REFIT: Renewable Energy Feed-in Tariff

S
T
U
V
W

XYZ

  • WACC: Weighted Average Cost of Capital

Do you have any other renewable acronyms and terms from the renewable industry that would be helpful? Email web@renewableni.com for inclusion in the RenewableNI glossary.