Abstract
This paper describes a techno-economic evaluation of case studies performed at the Skagerak EnergyLab. The EnergyLab consists of a 1.1 MWh battery energy storage system (BESS) and a 800 kWp photovoltaic (PV) power plant installed in a football stadium. The aim of this paper is to analyse the installation’s performance by studying a variety of cases involving operation strategies for peak shaving, self-consumption maximisation, energy arbitrage and feed-in limitation. The software tool SimSES is used to simulate BESS degradation. Moreover, the Norwegian economic and regulatory framework is used as a basis for an economic evaluation. An important outcome of this work is that a BESS that offers stacked value by combining peak shaving, energy arbitrage, self-consumption and the replacement of a backup diesel generator, may represent a feasible option in Norway. The techno-economic analysis also demonstrates that the profitability is heavily dependent on the operation strategy of the BESS.
Highlights
Battery energy storage systems (BESSs) are making their way into the distribution grid
We have described a techno-economic analysis carried out on the BESS installed at the Skagerak EnergyLab pilot
The aim of our study has been to analyse the performance of the existing installation by investigating a number of cases employing a variety of operation strategies for peak shaving, self-consumption maximisation, energy arbitrage and feed-in limitation
Summary
Battery energy storage systems (BESSs) are making their way into the distribution grid. Such systems can be beneficial for stakeholders at several levels by providing services for the grid or by acting as customers or a market participants. A BESS can typically provide services such as peak shaving, self-consumption maximisation of photovoltaic (PV) electricity, energy arbitrage, voltage regulation, frequency control and backup power. This study analyses the potential of replacing mandatory diesel backup generators in football stadiums with a combined PV-BESS system. This is a niche application, it can be reproduced for other stadiums or even adapted to other infrastructures with backup systems. In addition to the replacement of backup diesel generators, we assess the feasibility and costs of (stacked) operation strategies for industrial applications in a Norwegian context
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