Clean Energy Storage Workshop †
Abstract
:1. Introduction
1.1. General Information on STORY Project
2. Design and Learnings from the Demonstrations
2.1. Demonstrations at Residential Building and Neighborhood Scale, Belgium
Key insight | Technical | Market/Regulatory | Social |
---|---|---|---|
Installation of measurement equipment: main power meters, thermal sensors, smart plugs is resource intensive, requires a lot of coordination | x | x | x |
Setting up the stable connection is challenging, backup system plan is suggested | x | x | |
Quality of sent data must be at accurate level | x | ||
External services: weather forecast, market prices > availability & synchronization requires efforts | x | x | |
Comfort of the residents is highly important | x | x | x |
Cycling of the storage defines proper technology selection | x | x | x |
Proper ‚customer support‘ and fast troubleshooting is essential for success | x |
2.2. Demonstration of Storage in Factory Conditions, Spain
Key Insight | Technical | Market/regulatory | Social |
---|---|---|---|
Legal constraints: restricted storage operation | x | ||
Delays in commissioning due to change of production location, lack of producer‘s personnel on the field | x | x | |
Change of factory production: extension from peak demand reduction to additional load shifting | x | ||
Regulatory changes: registration of storage possible—grid interaction enabled | x | x | |
Demo becomes role model for regulatory development | x | ||
Stability of the system was impacted by the contactor‘s sensibility, causing shut down of the system | x | ||
Many factors and technologies apart from the energy storage system itself have an impact in the operation and reliability of these plants | x | x |
2.3. Demonstration of a Compressed Air Energy Storage (CAES) in a Residential District, Northern Ireland
Key Insight | Technical | Market/regulatory | Social |
---|---|---|---|
In proposal phase tenders were received, but not available at project start > new strategy by partly own design | x | ||
Design of LP and MP systems needed | x | x | |
Site preparation and tenders for CAES equipment, development of service agreements to enable revenue streams | x | x | |
Single tender response, no agreement reached, move to separate technical solution (lower cost, faster build time) | x | x | |
Design of the system, modelling and simulations performed | x | ||
LP system operational | x | ||
MP system: components designed, build and installed, certification needed | x | x |
2.4. Demonstration of Flexible Medium Scale Storage Unit in Industrial and Residential Area, Slovenia
Key insight | Technical | Market/regulatory | Social |
---|---|---|---|
BESS production process from design to final commissioning revealed the complexity of the system | x | x | |
First of a kind installation in Slovenia attracted a lot of attention (Slovenian distribution companies, Slovenian Energy regulatory Agency, Slovenian TSO, EG control board members and private companies, Presidents of Slovenia and Finland visited the site) | x | x | x |
Different demo sites aims and needs brought high technical challenges | x | ||
Modular structure is a must | x | ||
Technology providers could not foresee all problems: high noises, PCU unit processing and communication abilities, harmonics pollution | x | x | |
The batteries are not available to the extent that is generally assumed and marketed. This is a similar learning as in Navarra. | x | x | |
The grid environment is different in each case, and the systems have to be designed separately for each case, although some advantage can be gained from the flexibility | x | x |
2.5. Demonstration of a Private Multi-Energy Grid in an Industrial Area, Belgium
Key insight | Technical | Market/regulatory | Social |
---|---|---|---|
The system is stable and operational, however the full output was not achieved (850kW, although designed for 1600kW) | x | x | |
Lower thermal power has resulted in multiple start/stop sequences of the ORC combined with limited hours of operation. This has several times resulted in a broken shaft sealing. | x | x | |
The boiler is in the mean time used for heating purposes, while ORC adaptations are investigated: high temperature circle did experience uncoordinated way of power flows | x | ||
A major issue in effectively implementing the valve control was the lack of a flow information. | x | x | |
Discrepancies in energy balance, still investigated | x | x | |
Lack of integrator creates unclarity on the responsibilities of different parties for fixing the problems. | x | x |
3. Conclusions
3.1. Integration of Storage Devices (Presented by Jernej Zupančič, University of Ljubljana)
- Time plan is imperative
- Parallel activities reduce the time needed
- High need for reserve options and mitigation measures
- Equipment compatibility needs to be ensured in planning
- Not off-the-shelf solution will bring unforeseen challenges
3.2. Business and Regulatory Issues, (Presented by Dr. Andreas Tuerk, Joanneum Research)
- Also maintenance and repair activities of implemented storage solutions sometimes are still very slow.
- The maturity of the technologies: components are OK, but trying to implement them in grid level is not mature yet.
- Information gaps (permitters): Storage is not well taken into account in current regulations, and the permitting authorities do not know how to address storages.
- It is not very clear who are allowed to own and operate storages.
- Takes time before the clean energy for all package is implemented in the countries.
3.3. Social Issues (Presented by Mia Ala-Juusela, VTT)
Funding
References
- STORY Consortium. Second STORY Brochure. 2018. Available online: http://horizon2020-story.eu/wp-content/uploads/2nd-STORY-brochure.pdf (accessed on 3 July 2019).
- Gubina, A.F.; Garde, R.; Tuerk, A.; Watson, M.; Mikkola, T.; Medved, T.; Zupančič, J.; Garcia, G.; Pucker, J.; Ramos, A.; et al. To be published in 2019. Demonstration protocol book. Deliverable 6.2 of STORY project, under review by the Commission, not published at the time of the workshop.
© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
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Ala-Juusela, M.; Zupančič, J.; Gubina, A.F.; Tuerk, A. Clean Energy Storage Workshop. Proceedings 2019, 20, 20. https://doi.org/10.3390/proceedings2019020020
Ala-Juusela M, Zupančič J, Gubina AF, Tuerk A. Clean Energy Storage Workshop. Proceedings. 2019; 20(1):20. https://doi.org/10.3390/proceedings2019020020
Chicago/Turabian StyleAla-Juusela, Mia, Jernej Zupančič, Andrej F. Gubina, and Andreas Tuerk. 2019. "Clean Energy Storage Workshop" Proceedings 20, no. 1: 20. https://doi.org/10.3390/proceedings2019020020