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ETAP's Sustainability Analysis module estimates the carbon footprint of electrical networks by tracking electricity generation from sources and consumption across network elements, such as loads and distribution systems, over time. The tool utilizes region-specific, time-varying emission factors from a dataset covering 172 balancing authorities worldwide, providing critical insights to improve accessibility. Custom values can also be entered to ensure flexibility in regions where data is unavailable.
When performing a life-cycle assessment (LCA), these calculations enable users designing a new electrical network to estimate the following over the simulation time horizon (i.e., time domain analysis):
For annual greenhouse gas emissions reporting, such as reporting aligned with the GHG Protocol, users can apply these calculations with on-site electricity metering and measurement data.
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Time Domain Unsymmetrical Unified AC & DC Load Flow
etapAPI is ETAP's public-facing RESTful API. This API can be consumed from any language on any device.
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Sustainability studies generally have two distinct goals:
Studies from electrical equipment manufacturers show that 70% to 80% of the carbon footprint of an electrical network in a building or infrastructure is attributed to its use phase. Therefore, efforts to reduce GHG emissions from an electrical network should primarily focus on reducing electricity consumption.
The life cycle of a product or project consists of several phases: manufacturing, distribution, use, and end-of-life. The international and European standards ISO 21930 and EN 15804+A2 outline the typical life stages of buildings, and these stages can also be applied to assess the life cycle of an electrical network.
The Sustainability Analysis module requires the Time-Domain Load Flow module and Datahub, with Datahub being part of the ETAP base package. Datahub hosts the ETAP API locally, allowing seamless communication with ETAP through a specific port, which provides the necessary data for accurately estimating the carbon footprint and conducting life-cycle assessments of electrical networks.
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