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AC

Alternate Current

ANSI

American National Standards Institute

API

Application Programme Interface

ASHREA

American Society of Heating, Refrigerating and Air Conditioning Engineers

BECWG

Building Energy Codes Working Group

BIPV

Building-Integrated photovoltaic

CFL

Compact fluorescent lamps

CHP

Combined heat and power

DER

Distributed energy resources

DH

District heating

DHC

District Heating and Cooling

DHW

Domestic hot water

DPA

Defence Production Act

EAC

East African Community

EPBD

Energy Performance of Buildings Directive

ETS

Emission Trading System

EV

Electric vehicle

GHG

Greenhouse gas

GWP

Global Warming Potential

HP

Heat Pump

HVAC

Heating, ventilation, and air conditioning

ICE

Internal Combustion Engine (vehicles)

IEA 4E

IEA Energy-Efficient End-Use Equipment

IEA DHC

IEA District Heating and Cooling

IEA EBC

IEA Energy in Buildings and Communities

IEA ES

IEA Energy Storage

IEA HEV

IEA Hybrid and Electric Vehicles

IEA HPT

IEA Heat Pumping Technologies

IEA ISGAN

IEA Smart Grids

IEA PVPS

IEA Photovoltaic Power Systems Programme

IEA SHC

IEA Solar Heating and Cooling

IEA USERS

IEA User-Centred Energy Systems

ISO

International Organisation for Standardisation

L1

Level 1 (EV charging)

L2

Level 2 (EV charging)

LCA

Life Cycle Assessment

LED

Light-emitting diode

MEPS

Minimum Efficiency Performance Standards

NZE

Net Zero Emissions

OCPP

Open Charge Point Protocol

PECS

Personal Environmental Control Systems

PV

Photovoltaic

PVT

Photovoltaic-thermal

R&D

Research and development

RES

Renewable Energy Sources

SADC

Southern African Development Community

SSL

Solid State Lighting

TCO

Total Cost of Ownership

TCP

Technology Collaboration Programme

TRL

Technological Readiness Level

V2B

Vehicle to buildings

V2G

Vehicle to grid

V2H

Vehicle to home

 ZCRB

Zero-carbon-ready buildings