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renewable energy integration
GRID4EU Demo 1: The German Demonstrator

The high share and still increasing amount of distributed generation, predominantly wind and photovoltaic, set new challenges to the DSOs in Germany. In order to provide hosting capacity to integrate these resources,  huge investments in grid infrastructure are required. Moreover, grid operation and grid observation become more complex since power flows are becoming less predictable. At the start of the project, in Germany, there were hardly any surveillance facilities or grid automation in place in medium voltage networks. The German GRID4EU Demonstrator addressed these challenges with the demonstrator built up in the area of “Reken”, located in North Rhine-Westphalia. The considered grid was well-selected: from the beginning of the project on, it showed a balance between installed generation power and maximum demand. Further increase in renewables to be connected was forecast. The grid focused on consists of 85 secondary substations.

NOBEL GRID Project: Smart energy for people

The project NOBEL GRID, funded by the European Union’s Horizon 2020 research and innovation programme, will provide advanced tools and ICT services to all actors in the Smart Grid and retail electricity market in order to ensure benefits from cheaper prices, more secure and stable grids and clean electricity. These tool and services will enable active consumers’ involvement, new business models for new actors and the integration of distributed renewable energy production.

Keywords / tags: Smart grid, retail electricity markets, Information Communication Technology (ICT), flexible renewable energy integration, consumers prosumers, smart meters, Distribution System Operators.

SmartNet: a new Horizon2020 project studying TSO-DSO interaction to acquire ancillary services from distribution networks

The project SmartNet aims at comparing different architectures for optimized interaction between TSOs and DSOs in managing the purchase of ancillary services (reserve and balancing, voltage regulation, congestion management) from subjects located in the distribution segment. An ad hoc simulation platform is built up over three layers (physical network, market and ICT) in order to simulate three national cases (Italy, Denmark, Spain); this simulation platform is then implemented in a full replica lab, where the performance of real controller devices is tested. Three physical pilots are also developed to demonstrate modalities for exchanging monitoring signals between transmission and distribution networks and flexibility services that can be offered by entities connected to distribution by exploiting thermal inertia of indoor swimming pools and distributed storage facilities of radio-base stations used for telecommunication.

SMARTWATER - PHES energy storage using end of life quarries and mines - Belgium Wallonia specific use-cases

The SMARTWATER project will generate some investigation tools to assess the feasibility of the rehabilitation of end-of-life quarries and mines into medium-sized PHES units. The project implements a holistic approach encompassing legal, environmental, economic, hydraulic, electro-mechanical, and geological aspects. The reservoir capacity and hydraulic head of most of the sites under consideration are around a few hundreds of thousand cubic meters and a few dozen meters respectively. Economic feasibility includes assessment of the cost reduction opportunities offered by such site configurations (widespread in Wallonia) and the exploration of innovative multi-service (DSO and TSO) exploitation strategies in the context of an increasing intermittent production.

The NETfficient project: Implementing the future of smart energy storage and management

The lighthouse NETfficient, supported under the “Societal Challenge of Low Carbon Energy" within the European Research and Innovation Programme Horizon 2020, will implement “Energy and economic efficiency for today’s smart communities through integrated multi storage technologies” on the German island of Borkum in the North Sea.

ELSA - Energy Local Storage Advanced System using 2nd life EV batteries

ELSA aims at implementing and demonstrating innovative solutions for energy storage integrating low-cost second-life electric vehicle Lithium-ion batteries and other direct and indirect storage options, including heat storage, thus facilitating the local energy management of buildings, districts, and industrial complexes, as well as the direct local use of electricity generated from intermittent renewable energy sources.

BESOS: Building Energy Decision Support Systems for Smart cities

The strategic goal of BESOS is to enhance existing neighbourhoods with decision support system to provide coordinated management of public infrastructures in Smart Cities, and at the same time provide citizens with information to promote sustainability and energy efficiency.

The TILOS Project: Challenging the role of battery storage in a smart grid environment

TILOS demonstrates the optimal integration of local scale battery storage in a smart island microgrid and challenges the interplay between storage, DSM and interconnection. By encouraging public engagement, TILOS addresses the social aspects of community storage and seeks for the development of novel business models.

The STORY project: demonstrating the added value of storage in the distribution grid

This paper describes the EU H2020 demonstration project STORY. During the 5 year duration 8 demonstrations in 5 countries will present different business models using various types of small scale thermal and electrical storage technologies. The results of those demonstrations are used in a large scale rollout impact assessment. A policy and regulatory framework will be proposed that facilitates the implementation of the most promising business cases.

I3RES: ICT-based intelligent management of integrated RES for the smart grid optimal operation

The I3RES project was financed by the European Commission under the Seventh Framework Programme and more specifically the call ICT-2011.6.1 on Smart Energy Grids. As a result, the I3RES Management Tool was developed.

GREDOR: Management of distribution systems open to renewables

The GREDOR project addresses challenges in the management of distribution systems raised by the integration of renewable energy sources and new consumption practices, from investment decisions to real-time control. It also aims at proposing and analyzing interaction models for organizing exchanges of flexibility between stakeholders. GREDOR is funded by the Public Service of Wallonia, coordinated by the University of Liège and encompasses 7 industrial and academic partners.

Market4RES: Opportunities, challenges and risks for renewables integration in European electricity markets

Within the European Commission funded Market4RES project, the consultancy company 3E N.V. assessed empirically the challenges and issues of increasing RES-E penetration for the short-term, medium and long-term electricity markets. This was carried out through a selection of case studies that cover three different market regions with different RES-E penetration levels in the European electricity market with a focus on the Nordel system, Central-Western European system and the Iberian system.

State of the art in Distribution Network Operations

The distribution network has traditionally been a passive network, which means to pass power from bulk-supply points to consumers. Yet, due to the increase of distributed generation sources and the injection of new loads (integration of Evs for instance), distribution networks are evolving towards active networks. Future distribution networks, embedded between transmission networks and end-consumers, will become increasingly equipped and will take advantage of new techniques of monitoring, control, data analysis, communication infrastructure, planning and small-scale generation in order to support distribution network operation in an efficient way.

The GRID4EU project : a large-scale demonstration project of advanced smart grids solutions with wide replication and scalability potential for Europe

Started in November 2011 for a duration of 51 months, this FP7 project lays the groundwork for the development of tomorrow's electricity grids. It will test the potential of smart grids in areas such as the integration of DER, the integration of small-scale storage, the integration of electric vehicles (EVs)grid automationenergy efficiency and load shaping.

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Type of Article
Functional objective
(3) D10 Smart metering data utilization (7) D1Active demand for increased network flexibility (1) D2 Enabling maximum energy efficiency in new or refurbished urban districts using smart distribution grids (6) D3 Integration of DER at low voltage (5) D4 Integration of DER at medium voltage / high voltage (4) D5 Integration of storage in network management (2) D6 Integration of infrastructure to host Electrical Vehicles (4) D7 Monitoring and control of LV networks (3) D8 Automation and control of MV networks (3) D9 Network management methodologies for network operation (4) T1 Defining scenarios for pan-European network expansion (2) T10 Advanced pan-European market tools for ancillary services and balancing, including active demand management (2) T11 Advanced tools for capacity allocation and congestion management (7) T12 Tools and market mechanisms for ensuring system adequacy and efficiency in electric systems integrating very large amounts of RES generation (1) T14 Towards increasing public acceptance of transmission infrastructure (1) T15 Developing approaches to determine and to maximize the lifetime of critical power components for existing and future networks (1) T16 Development and validation of tools which optimize asset maintenance at the system level, based on quantitative cost/benefit analysis (2) T17 Demonstrations of new asset management approaches at EU level (5) T2 Planning methodology for future pan-European transmission system (3) T3 Demonstration of power technology to increase network flexibility and operation means (2) T4 Demonstration of novel network architectures (2) T5 Interfaces for large-scale demonstration of renewable integration (3) T6 Innovative tools and methods to observe and control the pan-European network (2) T7 Innovative tools and methods for coordinated operation with stability margin evaluation (2) T8 Improved training tools and methods to ensure better coordination at the regional and pan-European levels (4) T9 Innovative tools and approaches for pan-European network reliability assessment (6) TD2 The integration of demand side management into TSO operations (5) TD3 Ancillary services provided through DSOs
System function
Subsystem function
(2) Active transmission technologies (2) Aggregation (1) Asset management Decision Support System (DSS) (1) Asset modelling tool (9) Balancing mechanism (7) Business model for storage (7) Capacity allocation and Congestion management (CACM) (3) Capacity calculation (9) Communication infrastructure (1) Condition-based maintenance (CBM) (7) Consumer behaviour (2) Consumption data gathering (4) Continuous trading (3) Coordinated training (1) Corrective maintenance (4) Cost-benefit analysis (4) Cross-border balancing (2) Data exchange (4) Demand response market mechanisms (2) Demand response stakeholders (4) Demand response technologies (2) DER and grid interface (1) Digitilization of the network (4) Distribution network management tools (4) Distribution network monitoring technologies (1) DSOs involvement in defence and restoration plan (1) Electricty tariff for DER (5) Energy efficiency (4) environmental impact (3) EV charging technologies (6) Flexible generation (4) Forecasting tool (3) Forecasting tool at distribution level (1) Generation technologies (5) Impact of DER on Distribution Networks (4) Incentives for optmized EV charging (1) Integration of power technologies (1) Interoperability constraints (1) Interoperability of health monitoring systems (6) Islanding (4) Large-scale storage technologies (1) Load scheduling (3) Load-flow optimization at local level (4) Market closure conditions (7) Market coupling (6) Market mechanisms for DER (2) Modelling of market players' behaviour (1) Monitoring at component level (1) Monitoring at system level (4) Network congestion management (7) Network flexibility (6) Network simulation tools (2) New services based on metering data (4) Novel network architecture (1) On-line asset monitoring (3) Optimisation of existing network architecture (2) Passive transmission technologies (8) planning methodology (4) Power quality (1) Predictive maintenance (1) Protection and control (1) Protection plan (6) public acceptance (6) Reliability assessment (1) Reliability centred maintenance (6) Renewable energy support scheme (2) Replication (2) Risk-based maintenance (1) Scaling-up (2) scenario building approach (3) scenario quantification (2) Security of consumption data (4) Security of supply at distribution level (3) Services provided by DER to TSOs (2) Simulation of EV charging (4) Simulation of storage systems (5) Small-scale storage technologies (1) Standardization of component health monitoring (3) System adequacy (5) System security (1) Time-based maintenance (2) Transmission network control (2) Transmission network monitoring
Component function
(2) active control of DER (1) active distribution substation (1) Advanced Meter Management (AMM) (1) aggregated DER (4) aggregator (2) algorithms to optimize system topology (5) ancillary services (6) Ancillary services provided by DER (2) available transfer capacity (ATC) (1) back-casting approach (9) balancing (5) Batteries (1) bird fauna (2) boundary conditions (1) capacity market (1) CAPEX (1) CBA (1) Commercial barriers to smart grids (3) Common Information Model (CIM) (1) communication protocol (3) compressed air energy storage (CAES) (4) congestion in MV networks (2) congestion revenue (1) consumer acceptance (2) controllable appliances (1) Controllable load (5) corrective action (1) counter-trading (9) cross-border flows (1) cyber security (2) data privacy concerns (1) data protection tools (4) day-ahead capacity allocation (2) day-ahead closure time (1) day-ahead forecast (2) DC Grid (DCG) (1) Decarbonisation scenario (1) decrease peak demand (1) demand forecast (2) demand quantification (2) Demand response services (1) Demand response signal (1) detection of component failure (1) distribution grid stability (1) disturbance recorder (1) DSO-TSO communication interface (1) DSO-TSO data exchange (4) Dynamic Line rating (DLR) (1) dynamic resistance (3) dynamic simulation (3) electric storage (1) electricity magnetic field (EMF) (1) Electricity tariff for smart districts (1) energy boxes (5) energy management system (EMS) (1) energy savings (1) equipment renewal (1) event recorder (1) explicit allocation (6) FACTS (Flexible AC Transmission System) (1) failure prediction model (1) Fast recharge (1) fault recorder (2) feed-in tariffs (FIT) (5) flow-based (FB) (1) forecast accuracy (1) Gas-insulated transmission line (GIL) (2) generation investment incentives (1) generation quantification (7) grid automation (2) grid stability (1) Hardware in the loop (HIL) simulation (1) harmonic distorsion (2) High temperature conductor (HTC) (1) human health (2) HVAC cable (3) HVDC cable (3) HVDC Circuit Breaker (DCCB) (3) HVDC converter (2) HVDC multi-terminal grid (3) hybrid AC/DC line (1) hydrogen storage (2) Imbalance and settlement (2) implicit allocation (1) implicit auction (1) Incentives for Active Control and Demand response from DER (1) Increasing hosting capacity (1) Inductive recharge (1) in-home EMS (1) Integration of DSM into TSO operations (5) integration of HVDC lines (3) Interconnection capacity allocation (3) interoperability between standard protocols (1) interruption-free diagnostic (2) intraday capacity allocation (1) intraday closure time (1) investment saving (2) investment strategies (2) islanded mode of operation (1) ITC components (1) large data mining process (12) large-scale demonstration (1) large-scale PV power (1) lifetime prediction model (2) load aggregation (1) load modelling at distribution level (4) Load shaping (11) long-term planning (5) LV network monitoring and control (1) maintenance schedule (2) market model for distribution network storage (1) market model for residential storage (2) market players' behaviour (1) master controllers (1) maximizing lifetime (1) medium-term planning (3) meshed HVDC network (1) Meter Data Management System (MDMS) (1) monitoring assets conditions (5) MV network monitoring and control (1) MV network observability (5) N-1 criterion (3) net transfer capacity (NTC) (2) network congestion (2) network faults (1) nodal (1) noise (2) offshore HVDC grid (6) offshore wind (1) on-line diagnostic system (3) OPEX (2) optimal location and size of storage (3) Optimal Power Flow (OPF) (2) optimization of maintenance (4) Overhead transmission line (OHL) (1) Overload Line Controllers (OLC) (1) partial discharge monitoring (4) participation of DER into power markets (2) participation of small end-consumers into power markets (6) Phase-shifting Transformer (PST) (4) Phasor measurement unit (PMU) (3) point to point DC link (1) power exchanges (5) power flow control (PFC) (4) power flow simulation (1) power oscillations (1) power transfer distribution factor (PTDF) (2) power-to-gas (5) preventive action (2) price premium (PP) (2) price spread (4) probabilistic reliability criteria (3) public awareness (2) public consultation (1) pumped hydro storage (PHS) (2) radial DC connection (2) real-time simulation (3) re-dispatching (1) reduce maintenance cost (1) reduced network losses (2) Regulatory barriers to smart grids (6) reinforcement options (1) reliability of monitoring system (1) replicability (1) replication potential (3) RES forecast (2) retailers (5) reversion of unidirectional flows (1) risk assessment method (1) risk management (2) scalability (3) security analysis (2) security assessment (2) security margins (7) smart meter (1) smart substation (8) social welfare (2) stakeholder consulations (1) standardization of practices (3) state estimation (11) Storage (1) Superconducting technologies (2) Supervisory Control And Data Acquisition (SCADA) (5) target model (TM) (4) thermal storage (1) top-down approach (1) tradable green certificates (TGC) (2) training tools (1) Very fast recharge (1) vibration monitoring (1) visual impact (3) voltage control in MV networks (1) weather forecast (2) Wide Area Monitoring System (WAMS) (3) zonal
Sub component function
(1) Advanced Metering Infrastructure (AMI) (1) aggregated wind farms (1) Ancillary services linked with EV charging (3) ancillary services provided by storage (1) Automatic Frequency Restoration Reserve (FRRa) (2) black start capability (1) component replacement (1) component status (2) consumer surplus (1) control strategy (2) Current Source Converter (CSC) (1) DC networks faults (2) defense plan (1) demand mix (14) demand-side management (1) dynamic contract (2) dynamic model (1) energy use behaviour (3) environmental conditions (1) Fast-switch HVDC Circuit Breaker (1) Fault Current Limiter (FCL) (3) Frequency Containment Reserve (FCR) (5) frequency control (1) frequency support (1) gas-insulated substation (GIS) (7) generation mix (1) High Temperature Superconductors (HTS) (2) HVAC underground cable (2) HVAC underwater cable (2) HVDC underground cable (2) HVDC underwater cable (1) indicators of degradation (1) influence of pollution (1) influence of weather (1) intelligent electronic device (IED) (1) Lithium-ion batteries (10) load flexibility (1) load shedding (1) maintenance and repair actions (2) Manual Frequency Restoration Reserve (FRRm) (1) MgB2 (1) non-linear model (1) off-line simulation (4) price signal (2) producer surplus (2) PV forecast (2) reactive power control of DER (3) real-time data exchange (2) real-time price (1) reduce maintenance duration (41) renewable energy integration (1) restoration plan (2) risk assessment (2) risk based analysis (1) security rules (2) shiftable loads (2) stochastic optimization (4) uncertainties (1) variable electricity prices (8) voltage control (5) Voltage Source Converter (VSC) (2) voltage stability (4) voltage support
Smart Grid Generic use case
Smart Grid Generic High Level Use Case
(1) Aggregate DER as commercial VPP (2) Aggregate DER as technical VPP (3) Ancillary services and reserve products control (1) Black-out prevention through WAMS (5) Clear day-ahead market (1) Condition based operational advisories (1) Configure AMI device (1) Day-ahead fleet scheduling (4) Demand side management (4) DER performance management (3) DER process management (2) DER remote control (dispatch) (1) Events management (2) Facilitate demand response actions (1) Facilitate der for network operation (1) Field alarms collection for maintenance (1) Field data collection for corrective and reactive maintenance (1) Field data collection for predictive or condition based maintenance (1) Field data collection for preventive maintenance (3) Frequency support (10) Generation forecast (1) Install, configure and maintain the metering system (1) Intra-day fleet scheduling (7) Load forecast (3) Managing energy consumption or generation of DERs and EVSE via local DER energy management system to increase local self-consumption (6) Managing energy consumption or generation of DERs via local DER energy management system bundled in a DR program (5) Managing generation connection to the grid (2) Managing microgrid transitions (1) Measure collected data (1) Measure for imbalance settlement (3) Monitoring and reduce power oscillation damping (2) Monitoring assets conditions (7) Monitoring electrical flows (5) Monitoring power quality for operation (locally) (2) Obtain meter reading data (6) Participating to the electricity market (1) Protect a single equipment (Incomer/feeder, Transformer, Generator) (6) Provide information to consumer (1) Providing weather observations (1) Provision of black start facilities for grid restoration (1) Receiving metrological or price information for further action by consumer or CEM (1) Restore power after black-out (4) Risk assessment (1) Security (Configuration) Management (3) Solar forecasting (2) Solve balancing issues through Balancing Market (1) Solve grid congestion issues through Balancing Market (1) Stabilizing network after fault condition (Post-fault handling) (7) Store energy from the grid (1) Supporting periodic maintenance (and planning) (1) Switch/breaker control (1) Temperature forecasting (3) Wind forecasting

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