Microgrid control systems

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General information

Name of companySiemens Energy
Website of companywww.siemens-energy.com/global/en/offerings/services/digital-services/omnivise-hybrid-control.html
Name of productOmnivise Hybrid Control
Product is hardware and/or software-platformhardware & software platform
Product standardized or project-specific?both
Distribution in which countries?worldwide
Unique selling proposition of the productBased on standard plant controller with more than 3.000 installations worldwide

Services of the company

Company produces microgrid control hardwareyes
Company programs microgrid control softwareyes
Company provides system integration of microgrid control hardware and softwareyes
Company provides EPC services for microgrid projectsyes
Company provides operations and maintenance of microgridsyes

Scope of control system

Central monitoring and control unit (Hardware)yes
Control unit is standalone product or integrated into other device (if latter, which device?)Standalone
Other hardware components (e.g. smart meters, sensors, switches, domestic appliances, …)can be connected with various other hardware components via standard communication protocols
Software-Platform for monitoring and control of the microgridyes – small SCADA Application Server
Software-Platform is a cloud solution or installed on own server or computer?installed on own server or computer
Software compatible with third party hardware?no
Hardware compatible with third party software?no
Monitoring and/or control of microgrid via smartphone app?Web access under security constraints possible

Microgrid layout

Which customers is the product aimed at? (e.g. residential, commercial, industrial, community, campus, military, …)Islands and remote locations, mines, industrial, commercial, military, campus
Focus on offgrid, grid-connected or mobile microgrids?All
How many kilowatts of installed generating power can be integrated? (FROM - TO)500kW - 100MW+
How many different generators can be integrated?All generation types, highly scalable
AC bus systemja
DC bus systemlimited
Hybrid AC and DC bus systemlimited
Which control strategy is used to run the microgrid? (e.g. central control, master/slave control, distributed control, …)central control
Which components are needed for grid forming in islanding operation? (e.g. battery, diesel generator, …)Any grid forming equipment
Can the system be retrofitted to existing energy system assets?yes
Can the system be expanded modularly after initial commissioning?yes
CommentsEngineering system for full customization included


Supported communication protocols (e.g. Modbus TCP, Sunspec, KNX, Zigbee, …)Modbus TCP/RT , IEC104, DNP3.0, Profinet, OPC UA and other
Supported communication interfaces (e.g. RS485, Ethernet, Wireless LAN, analog inputs an outputs, …)RS485 Ethernet, analog and digital inputs/outputs
Connectable generators (e.g. solar PV, wind turbines, CHP, diesel generators, fuel cells, hydro power plants, …)diesel, gas engines/turbines, PV, wind, biogas, fuel cells, CHP, CCPP, small hydro plants
Connectable storage systems (e.g. batteries [lead, lithium, redox flow, …], flywheels, heat storage, …)lead/lithium, redox flow BESS, Flywheels, heat storage
Connectable loads (e.g. heat pumps, heating boilers, charging stations for e-mobility, refrigerators, …)All loads which have communication interfaces over standard protocols
What components/brands can be integrated 'plug & play'?All components can be made plug&play providing standard protocols
What components/brands have to be integrated manually?Components with analog/ digital I/O and proprietary protocols
How are components integrated manually? (e.g. connection boxes, command-line interface, ...)Connection box
Software-Platform has graphical user interface for integration and configuration of external devices?yes
Software-Platform has graphical user interface for programming energy management options?yes
Communication between control system and energy system assets is wired or wireless?both
SCADA integration possible?yes
Other options to connect the microgrid to a higher-level distribution grid (e.g. smart meter gateway, CLS-interface, ...)yes
Can smart home systems be integrated into the microgrid?yes, via standard protocols or aggregators
Is the data encrypted during data transfer? If so, how?VPN/ certificates
How is the system protected against threats from outside?On request, Security server available
How are firmware updates realized?Remote updates possible with customer support or service contract


Grid conntected operationyes
Islanding operationyes
Automated transition from islanding to grid-connected mode and backyes
Time required for transition from grid-connected to islanded mode (in seconds)max. 180
Uninterruptible Power Supply (UPS)yes
Operation is also possible without connection to the internetyes
Operation is also possible without connection to control room of higher-level distribution system operator (DSO)yes
Asset control of distributed energy resourcesyes
Load management defining curtailable loads and priority loadsyes
Automated dispatch control and optimizationyes
Automated Re-dispatching in response to external orders or unplaned internal eventsyes
Internal voltage and frequency regulation in islanding modeyes
Real time active and reactive power controlyes
Control of power exchange and voltage levels at point of interconnectionyes
Aggregated ramp rate control at point of interconnectionyes
Phase balancing between different AC phasesopt.
Black start capabilityyes

Energy management options

Increase in self consumptionyes
Increase of self-sufficiencyyes
Peak Shavingyes
Charging of electric vehiclesyes
Energy management of thermal energy assets? (e.g. heat pumps, thermal storage, ...)yes
Backup poweryes
Zero feed-inyes
Ancillary services for public grid (e.g. frequency regulation, reactive power control, …)Frequency regulation, active/ reactive power control, demand response
Consideration of weather forecastsyes
Consideration of energy load predictionsyes
Consideration of changing energy prices on the energy marketyes
Use of AI or self-lernings algorithmsno
Blockchain based billing and/or pay as you go solutionno
Participation in the energy marketyes

Price indication

Hardware: One-time acquisition costs for central control unit (without VAT) FROM - TO (approx. retail price in Euro)Project specific, on request
Hardware: Monthly maintenance costs for central control unit (without VAT) FROM - TO (approx. retail price in Euro)Project specific, on request
Hardware: Costs for other necessary system components? (e.g. smart meters, switches, …)Project specific, on request
Software: One-time acquisition costs (without VAT) FROM - TO (approx. retail price in Euro)
Software: Monthly maintenance costs (without VAT) FROM - TO (approx. retail price in Euro)Project specific, on request
Are there renting or leasing options? If so, what are those options?Yes, service contracts are possible
Price information availableno

Best practice project

Information on reference projects availableyes
Best practice project - ongridOrigin Energy Centralized monitoring, dispatch and operations management of single assets, plants and entire fleet
Best practice project - offgridGalapagos Island- Isabela Our hybrid control solution successfully runs Isabela Island Hybrid Power Plant since 2018. The solution supplies almost 900 households with electricity, on Isabela, the largest Galápagos Island. It helps to eliminate the use of fossil fuels by integrating renewable resources to address the energy challenges of the island. The controller manages the hybrid power plant by integrating a 952 kWp photovoltaic system, a battery storage system with an output of up to 660 kW and a generator power plant with a total output of 1625 kW.

Data update

Data updateJuli 2021

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