Smart Building Energy Consumption Prediction System: A Machine Learning-Based Real-Time Energy Management Solution

Against the backdrop of global energy transition and carbon neutrality goals, building energy consumption accounts for approximately 40% of global total energy consumption, and intelligent management can effectively optimize energy waste. The open-source project introduced in this article predicts building energy consumption using a random forest regression model and builds an interactive dashboard using Streamlit, realizing an end-to-end data science application to help building managers achieve core goals such as optimizing HVAC operation, identifying energy consumption anomalies, and formulating procurement plans.

The acceleration of urbanization and expansion of building scale have led to low efficiency in traditional energy management (manual meter reading, experience-based estimation), which cannot early warn of energy consumption anomalies. The goal of this project is to develop an AI energy consumption prediction system based on building characteristics and environmental factors to help managers achieve refined operations. Developer Atharvi integrated data science, feature engineering, machine learning, and visualization technologies to provide a reference template for similar projects.

1. Functions: Exploratory Data Analysis (EDA), random forest regression model (non-linear modeling, feature importance evaluation), real-time energy consumption prediction, Streamlit interactive dashboard, multi-dimensional data visualization; 2. Dataset features: Building characteristics (type, area, occupants, etc.), environmental factors (temperature), time factors (day of the week), target variable (energy consumption value); 3. Tech stack: Pandas/NumPy (data processing), Matplotlib/Seaborn (visualization), Scikit-learn (machine learning), Streamlit (web application), Pickle (model persistence).

Model performance: R² score of 0.97 (explains 97% of energy consumption variation), MAE of 109.36 (average prediction deviation); Application scenarios: HVAC optimization for commercial buildings, fault detection for industrial facilities, smart city power grid configuration, energy-saving renovation evaluation; Commercial value: A 5% energy consumption optimization for a medium-sized building can save 50,000 yuan in annual operating costs.

This project belongs to the "AI for Good" application category, with both economic benefits and environmental protection value. It realizes technology democratization through the Streamlit dashboard, allowing non-technical users to use AI models. For data science learners, it provides learning values such as end-to-end project experience, domain knowledge application, and engineering practice (model deployment), proving that simple algorithms combined with domain knowledge and engineering practice can create valuable applications.

Planned expansions: Integrate real-time weather APIs to improve prediction accuracy; Explore advanced models such as XGBoost/LightGBM or LSTM; Enhance the functions of the interactive analysis dashboard; Deploy on the cloud to support multi-user and large-scale data processing, and develop towards a complete energy management SaaS product.