Industry Solutions
EV Charging Cost Allocation and Demand Charges in Commercial Buildings
EV charging loads can spike demand charges and cross-subsidize tenants if left unmetered. Here is how submetering fixes that.
Field-tested guidance on energy intelligence, codes, ROI, and the technology behind portfolio-scale metering.
109 posts
Industry Solutions
EV charging loads can spike demand charges and cross-subsidize tenants if left unmetered. Here is how submetering fixes that.
Industry Solutions
Billing tenants from submeter data is permitted in Pennsylvania, but requires revenue-grade accuracy and lease disclosure.
Technology & Innovation
Modbus and BACnet are the two dominant submeter integration protocols. Here's how to pick the right one based on your BAS, analytics platform, and wiring.
ASHRAE 90.1 & IECC
A practical framework for deciding how many submeters your building needs based on code compliance, tenant billing, and operational goals.
Technology & Innovation
ANSI C12.20 governs revenue-grade meters; IEC 61869 governs CTs. Errors stack — here's how to match meter and CT accuracy classes to your use case.
ASHRAE 90.1 & IECC
ASHRAE 90.1-2022 Section 8.4.3 requires electrical energy monitoring by load category for buildings over 25,000 sq ft.
Industry Solutions
A four-phase checklist for electrical contractors to procure, install, commission, and demonstrate IECC-compliant energy monitoring systems.
Sustainability & Compliance
The 2024 IECC's new Section C405.13.7 requires end-use submetering for every significant non-electrical load—boilers, chillers, furnaces, water heaters,
Sustainability & Compliance
The 2024 IECC lowered the energy monitoring threshold from 25,000 to 10,000 sq ft, more than tripling the number of buildings required to install end-use
ROI & Business Case
Transparent equipment-by-equipment pricing for IECC-compliant energy monitoring across three building archetypes—25,000, 50,000, and 100,000 sq ft.
Sustainability & Compliance
A 2026 state-by-state tracker of IECC and ASHRAE 90.1 adoption, with the specific submetering trigger for every U.S. jurisdiction.
Industry Solutions
A step-by-step guide for MEP engineers on writing Division 26 and Division 25 specifications that meet IECC 2021 and 2024 end-use submetering requirements.