PAS 1878:2021 Energy smart appliances. System functionality and architecture - Specification

What does PAS 1878 cover?

PAS 1878 specifies requirements and criteria that an electrical appliance needs to meet in order to perform and be classified as an energy smart appliance (ESA). It defines the attributes, functionalities and performance criteria for an ESA, and specifies how compliance with these can be verified.

Why is it needed?

PAS 1878 is a critical component in encouraging the uptake of safe, secure and interoperable ESAs that are needed for Demand Side Response (DSR). It enables the standardized control of ESAs on an electricity network in order to:

  • Match the short-term availability of intermittent generation sources
  • Decrease the peak load on transmission and distribution networks
  • Allow control of electricity network characteristics, system inertia and network voltage
  • Allow the offset of short-term market imbalances

Who is it for?

This PAS is intended to be used by manufacturers of ESAs and consumer energy managers (CEMs). Other actors who might have an interest in this PAS are maintainers of ESAs, manufacturers and maintainers of interfacing products, software developers and service providers.

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PAS 1878 contributes to UN Sustainable Development Goal 7 on ensuring access to affordable, reliable, sustainable and modern energy for all; Goal 12 on ensuring sustainable consumption and production patterns and Goal 13 on taking urgent action to combat climate change and its impacts.