Energy Management System

Part of the worlds-biggest-software-project initiative.

An AI-native, open-source energy management platform for consumption monitoring, demand response, and carbon tracking across multi-site portfolios.

Energy Management System is a candidate open-source platform aimed at sustainability managers, energy managers, and facilities directors who need real-time visibility into energy use, automated GHG accounting, and AI-driven optimisation. It targets the gap between expensive enterprise suites (EcoStruxure, OpenBlue, Honeywell Forge) and narrow point tools, providing a transparent, API-first alternative grounded in open standards.

Why Energy Management System?

Incumbent enterprise platforms (Schneider EcoStruxure, Siemens SIMATIC, Honeywell Forge, Johnson Controls OpenBlue) are custom-priced, multi-year contracts with heavy implementation overhead and effective hardware lock-in.
The $500–$5,000/month SME segment is underserved; serious platforms require enterprise procurement cycles.
Scope 3 carbon accounting is weak across all surveyed tools; most stop at Scope 1 and 2 and rely on manual spreadsheets.
Hourly carbon matching (24/7 CFE) aligned with the GHG Protocol 2026 Scope 2 revision is supported by very few platforms.
Most vendors restrict developer documentation behind commercial agreements; OpenEMS is the only Apache 2.0 option in the survey and covers only distributed energy resources, not full commercial building EMS.

Key Features

Monitoring & Data Ingestion

Multi-site energy consumption monitoring across electricity, gas, water, and thermal commodities
Utility bill ingestion via upload and automated feed (CSV, PDF, EDI)
Real-time and historical consumption views with period-over-period comparisons
Anomaly detection with email and webhook alert notifications
Bill auditing and rate error identification

Carbon & Sustainability Reporting

Scope 1 and Scope 2 GHG calculation using GHG Protocol methodology
Scope 3 carbon accounting tools covering transport, supply chain, and waste
Hourly Scope 2 carbon tracking with market-based emission factors
ENERGY STAR Portfolio Manager API integration and benchmarking
CSRD and CDP report generation from platform data

Dashboards & Analytics

Customisable role-based dashboards for operations, sustainability, and finance personas
Portfolio-level aggregation with drill-down to individual site and meter
Capital investment ROI modelling for efficiency measures
Peer benchmarking against an anonymised portfolio database
IPMVP-compliant measurement and verification workflow

Controls & Grid Interaction

OpenADR 2.0 demand response signal reception
Maintenance work order trigger from energy anomalies (BMS/CMMS integration)
Autonomous AI control of HVAC setpoints and battery dispatch for peak demand management
EV charging and on-site solar/storage integration (DER management)

Developer Platform

REST API with API key authentication for third-party integration
BACnet, Modbus, and OPC-UA connectivity for building and industrial systems
Open, publicly documented APIs and data models

AI-Native Advantage

AI capabilities differentiate this project from rule-based incumbents: autonomous demand response that adjusts HVAC, EV charging, and battery dispatch in real time to minimise peak demand charges; automated Scope 1, 2, and 3 carbon accounting that reconciles utility, meter, and supply chain data into audit-ready reports; anomaly detection that flags billing errors and meter malfunctions before invoices arrive; natural-language querying so managers can ask questions like "which buildings missed our 2025 intensity targets and why"; and AI-generated capital investment recommendations that model ROI for efficiency measures against current tariffs and carbon prices.

Tech Stack & Deployment

The project targets self-hosted, cloud, and hybrid deployments, mirroring patterns established by Siemens (On-Premises, Industrial Edge, Cloud). Integration is built around open standards: ISO 50001, ENERGY STAR Portfolio Manager, GHG Protocol, ANSI/ASHRAE 135 (BACnet), IEEE 1547, and OpenADR 2.0. A REST API with API key authentication, plus BACnet, Modbus, and OPC-UA connectors, provide both enterprise integration and direct device connectivity.

Market Context

The global energy management software market is valued at approximately USD 18.34 billion in 2026, projected to surpass USD 44.31 billion by 2035 at a 13.4% CAGR (Precedence Research, 2026). Carbon and emissions tracking is the fastest-growing sub-segment at 17–18.5% CAGR. Enterprise platforms (EcoStruxure, Honeywell Forge) are custom-priced multi-year contracts; mid-market tools start from ~$500/month. Primary buyers are sustainability and ESG directors at large enterprises, energy and facilities managers in commercial real estate, manufacturing operations directors, and CFOs responding to SEC and EU CSRD climate disclosure mandates.

Project Status

This project is in the research and specification phase.
Contributions, feedback, and domain expertise are welcome.

Contributing

We welcome contributions from developers, domain experts, and potential users. See CONTRIBUTING.md for guidelines.

Important: All contributions must be your own original work or clearly attributed open-source material with a compatible licence. Copyright infringement and licence violations will not be tolerated and will result in immediate removal of the offending contribution. If you are unsure whether a piece of code, text, or other material is safe to contribute, open an issue and ask before submitting.

Licence

Licence to be determined. See discussion for context.