Volts combines 25+ years of experience in smart metering with cloud, AI and field deployment expertise to design and build devices for modern resource and infrastructure management.
25+
years of experience in smart metering
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Design → Manufacture → Deploy - under one roof
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Single- & three-phase electricity meters, direct & indirect
Data
Modbus RTU, Wi-Fi and other IoT connectivity
AI
Hardware that feeds a software-first AI operations platform
History
A continuous Volts engineering thread: pilots, IoT devices, cloud platform, key sectors and national-scale operations.
2019
Volts is launched by Blueberry Software JSC, bringing experienced software and hardware engineers together.
2020
First installations prove the efficiency and reliability of the platform, while Volts builds its own in-house R&D lab.
2021
Volts expands its in-house IoT device portfolio and develops the cloud platform for monitoring and managing energy, water, gas, heating, air quality and more.
2022
Volts delivers larger projects, including IoT infrastructure planning and custom hardware development for clients such as DHL, Veolia and AresGas.
2023
The team grows and starts external R&D projects, helping international clients design and optimize their hardware products.
2024
Volts expands partnerships with businesses, utility operators and acquires ASCI, a company with a long history of meter manufacturing in Sofia.
Manufacturing Capability
Volts owns the production workflow end to end: incoming QA, PCB population, assembly, firmware programming, calibration, labeling and dispatch.
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Materials intake & QA
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PCB assembly
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Device assembly
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Firmware programming
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Calibration & labeling
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Packing & dispatch
Hardware
Volts Industry
DIN-rail three-phase energy meter with four-quadrant measurement, real-time clock and Modbus RTU. Class 0.5 accuracy.
Volts Business
DIN-rail three-phase control meter with multi-tariff support, four-quadrant measurement and Modbus RTU communication.
Volts Office
Single-phase energy monitor with direct Wi-Fi communication and Class 1 active energy accuracy for office and light commercial sites.
Volts Smart Relay
Two-channel DIN-rail smart relay for load control and scheduling, with 10 A switching per channel and Wi-Fi connectivity.
Volts Gateway
DIN-rail communication bridge that connects field devices to the Volts AIoT cloud. Supports Modbus RTU, LAN and IoT radios.
Data Logger
Low-power field logger for remote readings in gas and water installations with configurable reporting intervals and long battery life.
NB-Fi Base Station
Outdoor base station for NB-Fi networks, designed for dense urban telemetry and long-range rural coverage.
Impulse Reader
Compact reader for pulse-output metering points with long-life battery operation and outdoor-ready enclosure.
Team
Rapid iterations of IoT devices, gateways and communication modules, tested against real installation constraints before field rollout.
Embedded firmware, PCB design and device communication for connected electronics, relays and field connectivity.
Calibration, testing and production expertise applied to connected devices and industrial electronics.
Installation support, cabinet assembly and lifecycle maintenance at customer sites.
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Rapid iterations of IoT devices, gateways and communication modules, tested against real installation constraints before field rollout.
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Embedded firmware, PCB design and device communication for connected electronics, relays and field connectivity.
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Calibration, testing and production expertise applied to connected devices and industrial electronics.
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Installation support, cabinet assembly and lifecycle maintenance at customer sites.
FAQ
Yes. Depending on the device and project scope, we can work with standalone devices or broader integrations. Contact us for a consultation.
Yes. We mainly work on business and infrastructure deployments, but the system can also be installed in homes and works very well there too.
Yes. We regularly assess existing BMS, SCADA and third-party environments and recommend the right integration path. Contact us for a consultation.
In many cases, yes. We evaluate the installed base and recommend the right retrofit or replacement approach. Contact us for a consultation.
Yes. We take on custom device and telemetry projects when the use case and scope are clear. Contact us for a consultation.
Yes. We can support the path from concept to a production-ready device. Contact us for a consultation.
We support several connectivity options depending on the deployment, including Modbus RTU, Wi-Fi, LAN, cellular and long-range utility links. Contact us for a consultation.
All design, assembly and testing happen at our facility in Sofia, Bulgaria — the same site that has been producing electricity meters since 1996. Keeping everything under one roof means faster iteration and tighter quality control.
Selected models carry CE certification. They are not MID-certified and are not suitable for fiscal metering. Contact us for model-specific compliance documentation.
