01FLAGSHIP PLATFORM
GRID-ONE EMS, Fleet EMS & VPP
Real-time energy operations, forecasting, optimization, market interfaces and portfolio coordination in one modular platform.
Discover GRID-ONE →T&D Engineering · Established 2004 · Varna, Bulgaria
Engineering the infrastructure behind modern energy.
We design, manufacture, integrate and support power systems, automation, industrial electronics, EV charging and intelligent energy software.
20+years of engineering
60+qualified specialists
1M+SCADA points deployed
LIVE SYSTEM02:14:08 UTC
T&DENGINEERINGINTEGRATED SYSTEMS
GRID-ONEEMS · SCADA · VPP
SOFTWAREIndustrial electronicsControllers · I/O · Sensors
PRODUCTSEnergy infrastructureHV · MV · RES · BESS
SYSTEMSEV chargingAC · DC · Megawatt
7.5 kW–1.5 MWFlagship digital product
GRID-ONE: intelligence across the energy portfolio.
One of T&D Engineering’s major products: a modular EMS, SCADA and fleet-control platform for renewable generation, storage, substations, consumers and charging infrastructure.
01 — 04
From local control to fleet-wide optimization.
Connect local controllers, protection systems and market interfaces. GRID-ONE maintains the operational picture and coordinates every asset within its technical limits.
- 01Real-time acquisitionIEC 61850, IEC 104, Modbus and vendor APIs
- 02Forecasting & optimizationProduction, consumption, price and constraints
- 03Dispatch & complianceClosed-loop control with complete audit trail
Generation42.8 MW+7.4%
Storage18.2 MWh67% SOC
Availability99.98%All sites online
Power flow — todayPV BESS Load
00:0006:0012:0018:0024:00
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Optimization cycle complete14:02:16 · 12 assets · 184 ms
NormalChoose your path
What do you need to deliver?
Start with a product, combine technologies into an engineered system, or engage T&D Engineering for a complete turnkey project.
01I need a product
Compare platforms, power electronics, charging equipment and industrial devices.
View directory → 02I need an engineered systemSee how GRID-ONE coordinates PV, BESS, substations and charging infrastructure.
Explore scenarios → 03I need a turnkey projectEngineering, manufacturing, integration, commissioning and long-term support.
Discuss a project →Operating scenarios
See the control logic in motion.
Select an application to follow measurements, decisions and power commands across the system.
PORTFOLIO CONTROL
One operational picture
Field data is normalized, checked and converted into coordinated commands with a complete audit trail.
- IEC 61850 / 104Field integration
- 184 msControl cycle
- 12 assetsCoordinated
Assets
GRID-ONEEMS · SCADA
Grid
Products & systems
A portfolio built from field experience.
Software platforms, electronic products, charging equipment and complete engineered systems—developed and integrated by T&D Engineering. Open the complete product directory →
01
MAIN PRODUCT · ESO / DSO
Neuron Dispatching System
A main T&D Engineering product for ESO and DSO control centres, substations and distributed SCADA installations.
- IEC 60870-5-104
- IEC 61850
- Redundant architecture
SPQA
Smart power-quality analyzer
Real-time waveforms, phasors, harmonics, unbalance, event recording and AI-assisted anomaly analysis.
- Power quality
- Edge AI
- Energy-loss analysis
GATEWAY
Protocol & automation gateway
Industrial gateway for IEC 61850, IEC 104 and Modbus integration, data mapping and secure interoperability.
- GOOSE / Reports
- IEC 101/103/104
- Modbus RTU/TCP
T&D CHARGE
EV charging equipment
Complete AC and DC charging systems designed and manufactured by T&D Engineering, with GRID-ONE load management via OCPP 2.0.1.
- AC 7.5–22 kW
- DC 30 kW–1.5 MW
- 400 V railway charging systems
INDUSTRIAL ELECTRONICS
Controllers, I/O & sensors
Specialized controllers, metering, remote interface modules, substation modules, annunciators and high-voltage sensors.
- Controllers & metering
- Remote I/O modules
- HV sensors & annunciators
INDUSTRIAL AUTOMATION
Automation & power control
PLC/RTU systems, custom software, power panels, thyristor control, reactive-power compensation and crane protection.
- Custom control systems
- Power panels
- Crane systems
ENERGY INFRASTRUCTURE
Substations, PV & BESS
Turnkey construction, reconstruction, commissioning and intelligent control for HV/MV/LV, renewable and storage systems.
- Substations & commissioning
- PV and storage systems
- Monitoring & diagnostics
RESEARCH & AI
Applied AI & advanced engineering
Forecasting, optimization, anomaly detection, technical knowledge systems and AI-assisted protection solutions.
Engineering experience
Where software meets the physical grid.
60+engineers, designers and technical specialists
2004founded in Varna, Bulgaria
Electrification
High-power charging systems
Selected references and current programmes
A representative view across power infrastructure, software, renewable energy, storage, transport and industrial automation.
HV/MV substation engineering
Nova Zagora, Karnobat, Mezdra, Stara Zagora, Zavet, Pirdop and Bov—part of a long-standing portfolio of construction, reconstruction and commissioning work.
National and regional SCADA
Dispatching and information systems for electricity transmission, distribution and railway power networks, including large multi-center installations.
40 MWh BESS integration
SCADA and IEC 104 integration for a 10 MW charge / 10 MW discharge battery storage facility connected at 20 kV.
PV auxiliary-power storage
GRID-ONE control concepts for distributed BESS supplying the auxiliary systems of 30 MW and 75 MW photovoltaic plants.
High-power EV charging
Engineering programme with 1.2 MW transformers and charging groups including 550 kW and 250 kW DC systems.
Industrial automation & software
Custom process control, energy monitoring, crane modernization, reactive-power compensation and specialized industrial software.
Developed in-house
One accountable engineering team.
T&D Engineering develops the critical layers together, reducing integration risk and preserving responsibility from concept through operation.
Power electronicsEmbedded softwareGRID-ONE softwareElectrical designMechanical designManufacturingIntegrationCommissioning & support
Innovation pipeline
Research that becomes deployable engineering.
T&D Engineering combines power-system experience, embedded electronics, edge computing and AI to develop the next generation of energy infrastructure.
AI + COMPUTER VISION
AI-based bird protection
Radar, thermal and visible cameras, acoustic sensing and edge AI for detection, tracking and safe deterrence around energy assets.
R&D programmePOWER QUALITY + EDGE AI
SPQA intelligent grid analyzer
Real-time harmonic, unbalance and loss analysis with event recording and AI-assisted anomaly classification.
Product developmentGREEN DIGITAL INFRASTRUCTURE
AI-enabled energy data centers
Integrated concepts combining AI computing, 5 MW PV, 20 MWh BESS, public high-power charging, grid services and useful heat recovery.
Investment conceptENERGY MARKETS
VPP & local energy markets
Aggregation of renewable generation, storage, consumers and EV charging with forecasting, optimization and IBEX/TSO interfaces.
GRID-ONE innovationDYNAMIC ASSET RATING
Dynamic line rating
Monitoring and software for using real environmental and conductor conditions to improve transmission capacity decisions.
Engineering innovationMEGAWATT CHARGING
Charging up to 1.5 MW
High-power DC charging architecture for heavy transport, integrated with transformer limits, BESS, PV and smart energy control.
Product developmentAI-guided discovery
Explore the complete
T&D portfolio.
The company assistant can navigate products, recommend an engineering path and search approved technical documentation.
T&D Engineering
The engineering depth behind GRID-ONE.
Since 2004, our teams have designed, manufactured, commissioned and supported electrical infrastructure, industrial automation and specialized electronics. That field experience is built into every layer of GRID-ONE.
Meet our engineering team↗01
Innovation
Applied to real operational problems.
02
Responsibility
Critical systems demand accountable engineering.
03
Partnership
Long-term support from design through operation.
Start a project
Let’s build the next intelligent energy system.
Tell us about the site, assets and operational objective. Our engineering team will respond with the next practical step.
