Top Custom Energy Management Development Companies in 2026

Energy Management Software in Numbers

Smart meters and EV chargers are expanding the data and loads EMS platforms manage.

• Berg Insight counted more than 195 million smart meters across the EU27+3 in 2024, covering 63% of consumers. It expects nearly 90 million more by 2029, bringing the total to 285 million and penetration to 80%.
• The IEA recorded more than 1.3 million new public chargers worldwide in 2024. Europe exceeded 1 million, up over 35%. Under its Stated Policies Scenario, home units will make up nearly two-thirds of the roughly 150 million chargers added from 2025 to 2030.
• Research and Markets values the EMS market at $56 billion in 2025 and $219.3 billion by 2034. The gap with Global Market Insights reflects different market definitions.

Custom Energy Management Development Companies List

An energy management development company builds and integrates software that monitors and controls energy assets, from device firmware to billing workflows. Our market review identified 8 firms with published energy projects. Here’s how each one approaches EMS development:

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1. HBM

• Engagement options: Building a complete solution from ideation to launch in production; or dedicated experts that seamlessly embed into existing engineering organization with possibility to involve any other service/competence on demand
• Analytics layer: Custom dashboards for complex telemetry and asset data, load forecasting, consumption optimization, etc.
• Services: Discovery sessions; proposal covering product design, technical design, delivery approach, team and estimates; iterative development with professional testing, DevOps, ongoing demos, scope/schedule/budget revisions.

HBM is one of the top custom energy management development companies for projects that connect sensor data, grid infrastructure, and business software in one platform. Its custom-developed data layer collects real-time sensor data from solar panels, smart meters, EV chargers, heat pumps, and batteries, regardless of the vendor or protocol. The team also develops grid and utility integrations that meet current interoperability requirements, along with connections to billing, ERP, and CRM systems. Beyond new builds, HBM helps energy companies get more value from the data they already collect: it modernizes existing solutions, optimizes infrastructure and performance, adds customer-facing interfaces, and introduces AI into live platforms.

For Inno2Grid, HBM developed gateway software for data collection on the HEMSlogic platform, an Azure-based microservices backend for high-frequency energy data, a web interface, and React Native apps for homeowners. For Energi.ai, the company built a SaaS platform that helps businesses understand, manage, and reduce emissions, energy use, and sustainability risk across operations, portfolios, and value chains, with Scope 1, 2, and 3 dashboards and machine learning forecasts. Custom dashboards present complex asset data in an actionable format, while carbon modules support emissions control based on manually entered data. HBM brings more than 16 years of product development experience, and more than90% of its engineers hold senior and lead roles.

Key strengths

• One accountable team across backend, integrations, data, and user interfaces
• Data consolidation, visualization, analytics, and AI enablement for existing energy platforms
• Payment and settlement workflows for energy sharing and community self-consumption
• Scope 1, 2, and 3 emissions calculations aligned with the Greenhouse Gas Protocol
• A unified IoT data layer connecting smart meters, solar systems, and EV chargers for Inno2Grid
• A transparent delivery framework with flexible team scaling

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2. Lemberg Solutions

• Engagement options: Full-cycle services, technology consulting, solution discovery, and team extension
• Analytics layer: AI algorithms that manage energy flows using historical and real-time data
• Services: End-user apps, connected device and firmware development, cloud platforms, battery management systems, IoT data loggers, and technical audits of existing energy systems

Lemberg Solutions develops energy management software for residential, commercial, and industrial applications. Its work covers end-user apps, connected devices, and cloud platforms. Published projects include battery analytics, energy storage, smart metering, and energy monitoring systems that use AI algorithms to manage energy flows using historical and real-time data.

The company also develops software for inverters, battery management systems, EV chargers, and IoT data loggers. Its protocol experience includes Modbus, OPC UA, MQTT, and CAN. Client projects include a scalable backend and mobile apps for Powerfox, IoT telemetry for Voltfang energy storage systems, and OCPP-compliant charger controls for EDS.

Key strengths

• ISO 27001 and ISO 9001 certifications
• An AUTOSAR-based battery management system with SoC and SoH algorithms
• A technical audit that identified and resolved connection loss in ChargeX charging stations
• Cross-platform apps for charger installation and driver use
• Upgrades to existing energy management systems as well as new product development
• Firmware for Voltfang built on an Infineon XMC4700 microcontroller

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3. Techstack

• Engagement options: A strategic technology partnership or a team that joins an existing product organization
• Analytics layer: Load forecasting, operational analytics, and anomaly detection
• Services: Energy balancing and grid orchestration platforms, multi-vendor data pipelines, EV charging IoT servers, demand-response integrations, and ERP, billing, and compliance integrations

Techstack developed an energy balancing platform for a balancing service provider. The platform handles real-time bid management, invoicing, and consumption tracking through an integration with Fingrid’s Energy Balancing System. For a solar energy provider, the team combined production data from multiple vendors into real-time and historical data pipelines with anomaly detection and trend analysis.

Its EV charging work includes an IoT server that processes thousands of charging records per second. The company also developed an OpenADR Virtual End Node that connects chargers to demand-response programs. Other capabilities include grid orchestration, load forecasting, and battery charge-cycle control. Projects usually begin with a proof of concept before moving to full-scale development.

Key strengths

• Integrations with a wide range of PV inverters, APIs, and communication protocols
• AWS hosting across its published energy projects
• A tagging system for historical EV charging data
• Storage and lifecycle optimization for battery assets
• Integrations with ERP, billing, and compliance systems
• Cloud-native architectures that support entry into new energy markets

4. N-iX

• Engagement options: Staff augmentation, managed teams, custom solution development, and fixed-scope pilots
• Analytics layer: Forecasting, anomaly detection, asset optimization, and predictive maintenance
• Services: Energy management and metering platforms, SCADA integrations, embedded gateways, firmware and OTA updates, and modernization of legacy SCADA, billing, GIS, and asset management systems

N-iX develops energy management and metering platforms, SCADA integrations, system extensions, and embedded gateways for energy companies. Its published energy materials list support for Modbus, OPC UA, DLMS/COSEM, MQTT, BACnet, OCPP, and ISO 15118.

Its device-level work includes secure device identities, signed firmware, and staged over-the-air updates with offline options. The team also modernizes legacy SCADA, metering, billing, GIS, and enterprise asset management systems. Its utility projects include SAP and OpenText integrations. Published energy clients include OVO Energy, TotalEnergies, and KTC, while its case studies cover cloud modernization for an energy supplier and embedded battery management services.

Key strengths

• 17 years of experience in the energy sector
• A team of 2,400 professionals
• Edge gateways, data historians, and protocol adapters for field data
• Migration of legacy Delphi and .NET energy applications
• Micro frontend development for an energy supplier
• Computer vision systems for asset inspection

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5. Cogniteq

• Engagement options: A dedicated development center, staff augmentation, and 24/7 support for critical operations
• Analytics layer: Automated data collection, load profile optimization, and CO₂ tracking
• Services: Energy monitoring and control systems, building management solutions, SCADA, ETRM, CRM, and ERP integrations, GHG and ISO 14064 reporting, and EV charging apps

Cogniteq provides energy monitoring, control, sustainability, and building management solutions. Its systems collect utility data and control HVAC, lighting, and renewable energy equipment in real time. The company integrates with SCADA, ETRM, CRM, and ERP platforms, supports GHG Protocol and ISO 14064 reporting, and has developed EV charging apps and a photovoltaic management platform.

Key strengths

• Founded in 2011, with more than 150 employees
• ISO/IEC 27001 and ISO 9001 certifications
• Plug-and-play integration with IoT-enabled measuring devices
• Station management, load balancing, and billing for EV charging networks
• Connectors for Azure IoT Hub and AWS services
• Ad hoc reporting across distributed locations

6. Waverley Software

• Engagement options: Dedicated teams, product discovery, fractional CTO services, and ongoing support and maintenance
• Analytics layer: Data mining, forecasting, predictive maintenance, and anomaly detection
• Services: Energy IoT software, SCADA, smart grid optimization, billing and payments, CRM and ERP systems, embedded software, and cloud migration and DevOps

Waverley Software has delivered energy projects for Holu Hou, GridPoint, and Sungrade Solar, including cloud-connected web and mobile apps for solar monitoring and device control. Its services include energy IoT software, SCADA, smart grid optimization, billing, payments, and CRM and ERP systems. The company employs more than 300 technical specialists.

Key strengths

• Embedded software for smart switches, trackers, and sensors
• A web-based renewable energy management platform for Sungrade Solar
• Cloud migration, security testing, and DevOps integration
• Customer-facing web and mobile apps for energy monitoring and control
• Real-time SCADA data collection on-site and remotely
• AI development and business intelligence tools for energy data

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7. Indeema Software

• Engagement options: Dedicated teams, MVP development, post-launch support, and IoT consulting
• Analytics layer: Energy waste detection, automated reports, and emergency notifications
• Services: Usage accounting and billing, reporting and forecasting, resource management, IoT-based SCADA systems, and web and mobile apps for consumption monitoring

Indeema Software developed Solar Manager, a web service for managing solar energy distribution and consumption. It also built Alice, a heating oil tank monitoring device with iOS, Android, and web apps. Its energy services cover usage accounting and billing, reporting and forecasting, resource management, and IoT-based SCADA systems for remote monitoring.

The company’s monitoring tools detect energy waste and generate automated reports and emergency notifications. Its web and mobile apps use wireless sensor networks to help users monitor and manage consumption. Indeema reports that its IoT practice includes more than 80 specialists. It also offers a free technical consultation with a risk assessment based on experience from more than 120 IoT projects.

Key strengths

• Multi-gauge account support and Alexa compatibility for the Alice product
• A data processing platform for consumption management and analysis
• SCADA asset management with real-time reporting
• Industrial IoT sensors for moisture, temperature, and vibration
• Carbon footprint reduction included among its stated EMS goals
• Offices in Wilmington, Wrocław, and Lviv

8. Velvetech

• Engagement options: Dedicated teams, staff augmentation, and end-to-end technology partnerships
• Analytics layer: AI and machine learning models for demand forecasting and grid optimization
• Services: Real-time energy monitoring and optimization software, IoT-based SCADA systems, smart grid and microgrid solutions, building energy management, and emissions and compliance reporting tools

Velvetech develops software for real-time energy monitoring, analysis, and consumption optimization. Its services also cover smart grids, renewable energy, battery storage, microgrids, district heating, and building energy management. The company develops IoT-based SCADA systems for critical energy assets and industrial processes.

Its integration work connects energy platforms with IoT devices, SCADA systems, smart meters, and enterprise software. One published case study covers a BLE and NFC module for charging station management, supported by a driver app and a web administration portal. Velvetech also develops sustainability tools for emissions management and compliance reporting. The company reports more than 15 years of energy software experience and a team of over 150 professionals.

Key strengths

• Demand-response management for smart grids
• HVAC controls for building energy management systems
• Drone and IIoT sensor inspections for power lines and wind farms
• Website and mobile app development for APA Corporation
• Resource tracking and forecasting for renewable energy systems
• 10 years of modernization work for a Fortune 500 energy company

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Key Integration Layers in a Custom Energy Management System

An EMS must move data reliably across devices, control systems, and business software. Review these integration areas:

• Devices and sensors: Confirm experience with Modbus, OPC UA, MQTT, CAN, and vendor APIs, including data standardization.
• Grid and utilities: Check support for OpenADR, OCPP, and ISO 15118. Plan for future standards and grid updates.
• Billing, ERP, and CRM: Map systems, data formats, and allocation rules. Standard connectors may not support energy-sharing models.
• Operator dashboards: Combine live data, trends, alerts, and asset status by user role. Approve wireframes early to control scope.

Key EMS Project Cost Drivers

EMS costs depend on 4 main factors:

• Integrations: Each device, grid interface, and business system requires development, testing, and maintenance. List them early to avoid rework.
• Data and latency: High-frequency data increases infrastructure costs. Set speed requirements only where real-time control needs them.
• Compliance: Configurable rules cost more upfront but simplify updates to tariffs, standards, and reporting requirements.
• First release: Start with one asset type and one integration to test the main risk before expanding.

Conclusion

Different protocols and unclear ownership can delay energy data, disrupt billing, and weaken control decisions. When comparing top custom energy management development companies, choose a partner that manages the full data flow from devices and grid interfaces to business systems and dashboards.

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