Blog

Case studies, opinion pieces, and tutorials on industrial energy management, data analytics, and building performance.

water-wastewater machine-learning energy infrastructure

Detecting Sewer Infiltration: Rainfall-Flow Lag Analysis and Multi-Method I&I Detection for Municipal Wastewater Systems

A multi-method detection framework for inflow and infiltration in municipal sanitary sewers — combining cross-correlation lag analysis, hydrograph decomposition, conductivity-based dilution tracing, and machine learning to identify, quantify, and prioritize I&I remediation across a multi-plant collection system.

March 8, 2026 37 min read

energy building-performance municipal regression policy

Gas Bills by Postal Code: A Screening Tool for Municipal Envelope Incentive Programs

Using aggregated natural gas consumption data by postal code and property tax roll characteristics to identify neighbourhoods with the worst-performing building envelopes — and target retrofit incentive dollars where they'll do the most good.

February 11, 2026 12 min read

energy machine-learning utility demand-response

Predicting Ontario's Coincident Peaks: ML-Driven Forecasting for IESO Global Adjustment Optimization

A machine learning framework for predicting Ontario's top-5 system demand hours under the Industrial Conservation Initiative, using weather-driven demand regression and a two-stage alert system to enable targeted load curtailment for Class A electricity customers.

November 5, 2025 16 min read

refrigeration energy-efficiency m-and-v controls grocery

Floating Head Pressure: Estimating and Verifying Compressor Energy Savings for Grocery Cold Storage Refrigeration

A temperature bin analysis and regression-based M&V framework for estimating and verifying compressor energy savings from floating condenser head pressure control on reciprocating rack systems with air-cooled condensers.

September 17, 2025 47 min read

energy machine-learning water-wastewater climate

Thermal Fingerprinting: Using Heating Degree Day Regression to Prioritize Building Envelope Retrofits Across a Municipal Housing Portfolio

A screening methodology for community housing portfolios using gas billing data and degree-day analysis to rank buildings by thermal performance and prioritize envelope retrofits.

July 7, 2025 33 min read