Microgrid control systems
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General information
| Name of company | Engie EPS |
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| Website of company | https://engie-eps.com |
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| Name of product | PROPHET EMS Microgrid |
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| Product is hardware and/or software-platform | hardware & software platform |
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| Product standardized or project-specific? | both |
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| Distribution in which countries? | EU, USA, APAC, Africa |
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| Unique selling proposition of the product | |
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| Comments | |
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Services of the company
| Company produces microgrid control hardware | no |
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| Company programs microgrid control software | yes |
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| Company provides system integration of microgrid control hardware and software | yes |
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| Company provides EPC services for microgrid projects | yes |
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| Company provides operations and maintenance of microgrids | yes |
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| Comments | |
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Scope of control system
| Central monitoring and control unit (Hardware) | yes |
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| Control unit is standalone product or integrated into other device (if latter, which device?) | The control is performed through a network of smart control cabinets. |
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| Other hardware components (e.g. smart meters, sensors, switches, domestic appliances, …) | Power meters, temperature and humidity sensors, meteo station, gas and fire detection, switches, contactors and communication boards |
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| Software-Platform for monitoring and control of the microgrid | yes |
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| Software-Platform is a cloud solution or installed on own server or computer? | both is possible |
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| Software compatible with third party hardware? | yes |
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| Hardware compatible with third party software? | opt. |
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| Monitoring and/or control of microgrid via smartphone app? | yes |
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| Comments | |
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Microgrid layout
| Which customers is the product aimed at? (e.g. residential, commercial, industrial, community, campus, military, …) | Independent Power Producers, Utilities, Commercial, Industrial, Communities, Academic Campus |
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| Focus on offgrid, grid-connected or mobile microgrids? | Applicable to all solutions; great experience on offgrid solutions |
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| How many kilowatts of installed generating power can be integrated? (FROM - TO) | 35 kW - 100+ MW |
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| How many different generators can be integrated? | Battery Energy Storage Systems, Diesel Generators, PV Inverters, Wind Turbines, Hydrogen Stations, Waste-To-Energy plants, Hydro Turbine |
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| AC bus system | yes |
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| DC bus system | yes |
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| Hybrid AC and DC bus system | yes |
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| Which control strategy is used to run the microgrid? (e.g. central control, master/slave control, distributed control, …) | Master/Slave(=central) and soon distributed |
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| Which components are needed for grid forming in islanding operation? (e.g. battery, diesel generator, …) | Batteries and power conversion system are sufficient to form the grid in islanded operation. More specifically , we should include: Battery Energy Storage System (EEPS EnergyHouse or Third Party), Power Conversion System (EEPS PowerHouse or Third Party) and, if needed, Grid Interconnection (EEPS ComHouse) |
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| Can the system be retrofitted to existing energy system assets? | yes |
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| Can the system be expanded modularly after initial commissioning? | yes |
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| Comments | |
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Connectivity
| Supported communication protocols (e.g. Modbus TCP, Sunspec, KNX, Zigbee, …) | ModBus TCP, CanBus, PROFINET |
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| Supported communication interfaces (e.g. RS485, Ethernet, Wireless LAN, analog inputs an outputs, …) | RS485, Ethernet, Analog I/O, Wireless for some components |
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| Connectable generators (e.g. solar PV, wind turbines, CHP, diesel generators, fuel cells, hydro power plants, …) | solar PV, wind turbines, CHP, diesel generators, fuel cells, hydro power plants |
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| Connectable storage systems (e.g. batteries [lead, lithium, redox flow, …], flywheels, heat storage, …) | Lead, LMO, LTO, NMC, LFP, Sodium, Hydrogen P2P, flywheel, heat and water storages |
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| Connectable loads (e.g. heat pumps, heating boilers, charging stations for e-mobility, refrigerators, …) | charging stations for e-mobility, heat pump, boilers, electrolyzers, constant power loads, constant impedance load |
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| What components/brands can be integrated 'plug & play'? | All EEPS HyESS product, specifically designed for PROPHET EMS |
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| What components/brands have to be integrated manually? | Third parties components, with reference to the communication mapping |
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| How are components integrated manually? (e.g. connection boxes, command-line interface, ...) | Communication protocols and functions are integrated and tested in house to maximise reliability |
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| Software-Platform has graphical user interface for integration and configuration of external devices? | no |
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| Software-Platform has graphical user interface for programming energy management options? | yes |
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| Communication between control system and energy system assets is wired or wireless? | wired communication |
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| SCADA integration possible? | yes |
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| Other options to connect the microgrid to a higher-level distribution grid (e.g. smart meter gateway, CLS-interface, ...) | Firewall allows communication at a higher level, including M-Guard secure connection |
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| Can smart home systems be integrated into the microgrid? | yes |
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| Is the data encrypted during data transfer? If so, how? | Yes, through VPN communication |
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| How is the system protected against threats from outside? | System under certification of IEC 62443 |
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| How are firmware updates realized? | Manually or from remote with opt. components |
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| Comments | |
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Functions
| Grid conntected operation | yes |
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| Islanding operation | yes |
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| Automated transition from islanding to grid-connected mode and back | yes |
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| Time required for transition from grid-connected to islanded mode (in seconds) | Seamless transition, <1s |
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| Uninterruptible Power Supply (UPS) | yes |
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| Operation is also possible without connection to the internet | in grid connected and islanding mode |
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| Operation is also possible without connection to control room of higher-level distribution system operator (DSO) | in grid connected and islanding mode |
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| Asset control of distributed energy resources | yes |
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| Load management defining curtailable loads and priority loads | yes |
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| Automated dispatch control and optimization | yes |
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| Automated Re-dispatching in response to external orders or unplaned internal events | yes |
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| Internal voltage and frequency regulation in islanding mode | yes |
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| Real time active and reactive power control | yes |
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| Control of power exchange and voltage levels at point of interconnection | yes |
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| Aggregated ramp rate control at point of interconnection | yes |
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| Phase balancing between different AC phases | yes |
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| Black start capability | yes |
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| Comments | |
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Energy management options
| Increase in self consumption | yes |
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| Increase of self-sufficiency | yes |
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| Peak Shaving | yes |
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| Charging of electric vehicles | opt. |
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| Energy management of thermal energy assets? (e.g. heat pumps, thermal storage, ...) | yes |
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| Backup power | yes |
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| Zero feed-in | yes |
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| Ancillary services for public grid (e.g. frequency regulation, reactive power control, …) | primary frequency regulation
secondary frequency regulation
fast frequency services
contingency frequency services
inertial control support
voltage and reactive power support
intentional islanding, if allowed |
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| Consideration of weather forecasts | yes |
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| Consideration of energy load predictions | yes |
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| Consideration of changing energy prices on the energy market | yes |
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| Use of AI or self-lernings algorithms | yes |
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| Blockchain based billing and/or pay as you go solution | no |
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| Participation in the energy market | opt. |
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| Comments | |
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Price indication
| Hardware: One-time acquisition costs for central control unit (without VAT) FROM - TO (approx. retail price in Euro) | |
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| Hardware: Monthly maintenance costs for central control unit (without VAT) FROM - TO (approx. retail price in Euro) | |
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| Hardware: Costs for other necessary system components? (e.g. smart meters, switches, …) | |
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| Software: One-time acquisition costs (without VAT) FROM - TO (approx. retail price in Euro) | |
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| Software: Monthly maintenance costs (without VAT) FROM - TO (approx. retail price in Euro) | |
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| Are there renting or leasing options? If so, what are those options? | |
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| Comments | PROPHET EMS Microgrid is sold only as part of ENGIE EPS Turn-key solutions, including ENGIE EPS Energy Storage System as pivot of the entire microgrid. |
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| Price information available | no |
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Best practice project
| Information on reference projects available | yes |
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| Best practice project - ongrid | PROPHET Microgrid at Politecnico di Milano - Italy - October 2018 This microgrid serves as a development and training testrig for ENGIE-Eps, as well as a research lab for the prestigious Department of Energy of Politecnico di Milano. In this context the PROPHET EMS has been developed, leveraging on the possibility to optimally manage and operate the following assets:
- 3 PV inverters;
- 1 Battery Energy Storage System;
- 1 Hydrogen unit, including both P2G and G2P stages;
- 1 EVSE;
- 2 Heat Pumps;
- 1 water desalinization plant;
- 1 fully programmable electronic load;
- 1 microturbine with cogeneration possibility;
- 1 absorber.
This microgrid can operate either in stand-alone and in grid connected mode, exchanging power with the university campus network. |
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| Best practice project - offgrid | LIFOU Project - New Caledonia - September 2019 ENGIE Eps supplied a 5.4MW/4.6MWh Battery Energy Storage System equipped with PROPHET EMS for the optimal management of the local microgrid, currently serving approx. 10,000 inhabitants. The ENGIE Eps system allow smooth operation either in presence and absence of diesel generators, with seamless transition between these modes. The microgrid generation park is completed by wind, biofuel and photovoltaic units also. Such a mix leads to 80% renewable generation, with a 100% target by early next decade. The ENGIE-Eps PROPHET EMS allows:
- no worries integration of Renewables;
- providing spinning reserve, frequency regulation, synthetic inertia and load sharing when operated in parallel to the gensets, with consequent significant fuel savings;
- performing seamless on-grid/off-grid and viceversa transitions;
- ensuring voltage and frequency regulation when islanded operated (no gensets in parallel);
- performing Renewables energy shifting;
- black-starting the substation, overcoming the inrush of transformers; + Anjouan - Comoros - January 2020
ENGIE Eps is hybridizing the present diesel generation fleet with a 2.7 MW PV plant and 2.7 MW/2.85 MWh Battery Energy Storage System. With the aim of minimizing the diesel consumption, maintaining the microgrid stability but without taking over the local utility duties, ENGIE-Eps has adapted the PROPHET EMS featuring both day-ahead dispatching and real time control.The former deploys advanced machine learning techniques, leading also to solar forecasting, and optimal power Flow functionalities for elaborating the recommended day-ahead dispatching to the utility. While in real time PROPHET EMS takes care of possible unbalances, contributing to maintain the microgrid stability. |
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Data update
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