Best Free Energy Management Software of 2026

Utilibill offers Enterprise grade Utility Billing and CIS – Cloud native. We offer toolkits to utilities that allow them to transition independently. Additionally, we have a strong partner network that can help with the entire project lifecycle. We bill electricity, gas, water, re-water, air conditioning, broadband and many other services. Market connectivity includes: AEMO, NEMO and Telstra Wholesale, AAPT. Vocus, OPTUS, and many more. Our over 60-strong team is located in Victoria, California and Santa Monica, Arkansas. Provide: Billing CIS, Customer Portal and Invoice Designer. You can access our platforms for a 30-day free trial. Get yours today.

The RETScreen® Clean Energy Management Software platform facilitates the planning, execution, monitoring, and reporting of low-carbon initiatives. The more advanced version, RETScreen Expert, is accessible in Viewer mode at no cost to users. In partnership with governmental and multilateral organizations, we co-develop and secure funding for enhanced iterations of the RETScreen® platform. RETScreen Expert, which is a sophisticated iteration of the software, offers tools for benchmarking, feasibility studies, performance evaluation, and portfolio analysis across diverse facility types, such as commercial, institutional, residential, industrial, and power generation, all integrated into a single robust platform. Our innovation lab is dedicated to keeping the RETScreen software at the forefront of the clean energy technology transition, ensuring ongoing enhancements to address the intricate requirements of our extensive and expanding global user base. This commitment to innovation and user satisfaction drives our continuous development efforts in clean energy management solutions.

Use EnergyPrint's cloud-based Utility Dashboard to help you visualize utility data and identify opportunities for savings and improvements.

The innovative mobile energy management tool, EnergyDoc, streamlines the process of documenting and analyzing energy consumption across various sectors, including businesses and governmental organizations. By facilitating the identification and implementation of potential savings, EnergyDoc effectively aids in minimizing energy usage while showcasing achievable cost reductions. This energy data management system proactively detects significant overconsumption and investigates the underlying causes. In instances of unexpected energy use, SKILL EnergyDoc promptly relays all essential technical information to mobile repair or support teams, enabling swift corrective actions that lead to cost savings. Moreover, it meticulously analyzes and incorporates target consumption levels along with tolerance or escalation metrics into energy consultations, with up to 80% of EnergyDoc expenses potentially eligible for funding. Users have the flexibility to set consumption plan values, with data seamlessly integrated from e-meters or other software systems, empowering them to take control of their energy management. The combination of these features not only enhances operational efficiency but also contributes to sustainable energy practices.

Bayou Energy offers Plaid-like solutions for utility data, presenting a range of APIs that help businesses successfully implement clean energy technologies. The inaugural product from Bayou is an API designed for seamless and dependable access to metered utility data. Integration with this API is quick, requiring just a few minutes, while consumers can easily authenticate their utility accounts with a single click. Within a mere 60 seconds, developers gain access to essential information, including utility account details, billing information, and data on usage intervals, streamlining the overall process for companies aiming to enhance their clean energy initiatives. This innovative approach not only simplifies access to critical data but also supports the broader transition to sustainable energy solutions.

Voltra is an innovative Energy Cloud Platform designed to simplify intricate physical systems via software, overseeing the comprehensive lifecycle of sites and devices from their initial setup to ongoing maintenance. At its core is Voltra Fabric, which seamlessly links devices from various manufacturers, protocols, generations, and standards using protocol-agnostic adapters, effectively creating a unified, governed graph that serves as a live digital twin and reliable reference for the site. This model enables Fabric to ensure interoperability while keeping connections, data, and configurations up to date as firmware, sites, and assets develop over time. Users can access a complete view of their site through a web browser, allowing them to track faults, usage statistics, performance metrics, telemetry, and alerts in real-time, as well as securely manage device traffic or transfer data to external data lakes and observability platforms. Additionally, developers have the flexibility to control the same infrastructure via a scriptable command-line interface and through REST and OpenAPI protocols, enabling a versatile approach to managing energy systems. This multifaceted platform empowers operators and developers alike to optimize their energy management strategies and enhance operational efficiency.

Arbox Hap® is an innovative cloud platform specifically crafted to address the challenges encountered by asset managers within the Renewable Energy sector. By incorporating automation features, centralized data storage, and insightful portfolio analytics, we simplify the operational processes for managers, enhancing both efficiency and effectiveness. Our solution empowers your team to optimize performance and improve profitability! Leverage our advanced portfolio administration tools for seamless document management, compliance oversight, and task monitoring to run your business with enhanced intelligence. Additionally, the finance module enables you to manage contract terms, automate invoicing, and generate both operational and financial reports effortlessly. By integrating with your data acquisition system through Monitor, you can access crucial production metrics such as meters, alarms, and devices. The dataset tool further allows for the upload of estimated and modeled data, streamlining your operations. Save valuable time by automatically generating and distributing comprehensive reports on the technical and financial performance of all assets in your portfolio. Furthermore, the query builder provides the flexibility to create customized ad-hoc reports, catering to your specific analytical needs. This comprehensive approach ensures that asset managers have all the tools necessary to succeed in a competitive landscape.

Lights-Out is an effective solution suitable for both small businesses and home use, having demonstrated its reliability and gained popularity among both family and business users over the years. It provides quick insights into the status of your computers and network, making it a valuable tool. Since desktop computers may be accessed by various employees and could remain powered on beyond working hours, Lights-Out ensures that you operate your machines efficiently to reduce energy usage while maintaining convenience. For instance, it can power up your computers 15 minutes prior to the start of the workday, allowing essential Windows Updates to be completed before employees arrive. Additionally, computers located in departments or areas with varying operating hours can be organized into specific groups, and Lights-Out is capable of managing multiple such groups effectively. This capability allows for greater flexibility in energy management and enhances overall productivity.

Spacewell Energy delivers a unified, AI-powered approach to energy efficiency and sustainability management for enterprises, real estate portfolios, and utilities. The platform combines automated energy audits, real-time analysis, anomaly detection, and data integration to convert complex consumption data into actionable business decisions. With its machine learning models, Spacewell detects inefficiencies 24/7, prioritizes issues by impact, and provides specific recommendations for immediate savings. Organizations consistently achieve 15–30% utility cost reductions within their first year of implementation, often realizing full ROI within six months. Its flexible architecture supports 200+ hardware connections, integrating seamlessly with BMS, SCADA, and IoT sensors while providing IPMVP-compliant verification for energy savings. For sustainability leaders, Spacewell simplifies compliance with frameworks like ISO 50001, producing ready-to-submit audit and ESG reports in minutes. Benchmarking tools compare performance across 50,000+ global buildings, pinpointing where investments yield the fastest returns. Backed by the Nemetschek Group’s global expertise, Spacewell empowers organizations to lead confidently in the era of smart, data-driven energy management.

EPA's ENERGY STAR Portfolio Manager is a free, interactive tool designed for efficient energy management that enables users to securely monitor and evaluate energy and water usage across a range of properties. It serves a variety of stakeholders, including property owners, managers, and investors, by assisting in the establishment of investment priorities, pinpointing buildings that are not performing optimally, confirming enhancements in efficiency, and facilitating applications for ENERGY STAR certification to recognize outstanding energy performance. This resource not only aids in optimizing resource use but also promotes sustainability within the real estate sector.

AcuCloud is a cloud-based platform for facility metering that enables users to access data from Accuenergy and various other power meters. With its advanced features designed to enhance energy data management, users can quickly retrieve metered information and utilize tools for analyzing, importing, and exporting data across different systems. It is engineered for seamless compatibility with Accuenergy’s web-enabled devices as well as through the AcuLink 810 gateway for both serial connections and third-party devices. Serving as a comprehensive solution for viewing, sharing, and analyzing energy data, AcuCloud Meter Point plans present organizations with a wide array of flexible options. Users can select any combination of plans to meet their specific installation needs, with each plan allowing for an unlimited number of metering points, thus providing organizations the ability to expand their projects effortlessly. Additionally, the sophisticated cloud-based software enhances the insights gained from the metered data, making it an invaluable tool for energy management. Through this platform, organizations can leverage detailed analysis to improve their operational efficiency and make informed decisions regarding energy consumption.

Kazam is an agnostic EV-charging software platform that has built India's largest smart, affordable EV charging network. Kazam provides a complete software stack that allows fleet companies, charge point operators, OEMs, and charge point operators to run their businesses without worrying about technology. This includes white label template apps (both Android & iOS), load management solution, API integration, and a charger monitoring dashboard. You can use both OCPP-enabled charging points and Kazam chargers via our platform. Kazam will support hardware flexibility via OCPP. Our intuitive user interface will allow you to track your customers and support billing and receivable history, as well as monetary and nonmonetary balances. We will also provide you with a dedicated KAM to assist you in training and support.

If your goal is to enhance the efficiency of buildings, we are here to assist you. Our software delivers timely, insightful, and practical information that enables effective management of energy and water consumption. WegoWise empowers over 40,000 building owners and managers to comprehend, monitor, and enhance their building's efficiency. By utilizing our software, clients can save valuable resources, along with both time and money, as they manage their energy and water usage. The WegoPremium feature simplifies the analysis of your utility data by providing actionable reports directly to your inbox, in addition to all the functionalities available in WegoPro. This allows users to receive advanced analytical support while easily spotting key opportunities for savings. Furthermore, WegoPro is an online platform that automatically integrates your utility data each month, facilitating the benchmarking, tracking, and analysis of energy and water usage alongside associated costs. As a result, our solutions not only streamline your operations but also foster sustainable practices within your buildings.

FLEXTHOR leverages FCR-as-a-service, which automatically adjusts in response to fluctuations in network frequency. It is compatible with a wide range of energy assets including PV inverters, electric vehicle charging stations, smart meters, battery systems, and smart electrical loads from any manufacturer. Users can conveniently monitor their energy assets via our mobile application and local IoT edge devices, with all data securely stored in the cloud. FLEXTHOR provides the capability to connect to any available energy asset on-site, allowing prosumers to integrate EV chargers and home batteries, regardless of their brand, and choose whether to participate. This platform empowers prosumers by giving them complete control over their energy management and the flexibility to select the cloud services they prefer to use. Additionally, it enables customers to engage in energy trading with fellow community members, creating opportunities for direct transactions that can increase revenue from excess energy and reduce costs associated with grid-supplied electricity. By fostering a collaborative energy ecosystem, FLEXTHOR enhances the benefits of sustainable energy use for all participants.