Domestic Battery and Power-to-Heat Storage for Self-Consumption and Provision of Primary Control Reserve

Feron, Baptiste; Monti, Antonello

doi:10.23919/pscc.2018.8449023

Cited by 4 publications

(4 citation statements)

References 9 publications

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“…Integrated energy systems can provide grid services, in order to maintain operation specification. In [160], it is shown that batteries can provide frequency regulation (primary control). Combined with power to heat technologies, such as electric immersion boilers, the overall self-consumption of a household increases.…”

Section: Grid Structure and Operational Aspectsmentioning

confidence: 99%

Sustainable Residential Energy Supply: A Literature Review-Based Morphological Analysis

Arens¹,

Schlüters²,

Hanke³

et al. 2020

Energies

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The decarbonization of the energy system will bring substantial changes, from supranational regions to residential sites. This review investigates sustainable energy supply, applying a multi-sectoral approach from a residential site perspective, especially with focus on identifying crucial, plausible factors and their influence on the operation of the system. The traditionally separated mobility, heat, and electricity sectors are examined in more detail with regard to their decarbonization approaches. For every sector, available technologies, demand, and future perspectives are described. Furthermore, the benefits of cross-sectoral integration and technology coupling are examined, besides challenges to the electricity grid due to upcoming technologies, such as electric vehicles and heat pumps. Measures such as transport mode shift and improving building insulation can reduce the demand in their respective sector, although their impact remains uncertain. Moreover, flexibility measures such as Power to X or vehicle to grid couple the electricity sector to other sectors such as the mobility and heat sectors. Based on these findings, a morphological analysis is conducted. A morphological box is presented to summarize the major characteristics of the future residential energy system and investigate mutually incompatible pairs of factors. Lastly, the scenario space is further analyzed in terms of annual energy demand for a district.

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Section: Grid Structure and Operational Aspectsmentioning

confidence: 99%

Sustainable Residential Energy Supply: A Literature Review-Based Morphological Analysis

Arens¹,

Schlüters²,

Hanke³

et al. 2020

Energies

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“…Sector integration was examined in the form of PtH [11,14,15] and emergency resistors [8,10] for dissipating energy when the battery is fully charged. In both cases, this has economic benefits, e.g.…”

Section: Related Workmentioning

confidence: 99%

“…Most papers consider only one or two battery capacityto-power ratios 3 [15][16][17][18][19][20][21][22]. Other papers consider up to 12 different battery capacities, but do not answer the question what the optimal capacity for a stand-alone system is [8,10,11,14,23]. In an evaluation with 16 different battery capacities and the 30 minutes criterion, the highest economic benefit was provided by a system with a capacity-to-power ratio of 1.6 [24].…”

Section: Related Workmentioning

confidence: 99%

Optimised capacity and operating strategy for providing frequency containment reserve with batteries and power-to-heat

Schlachter¹,

Worschech²,

Diekmann³

et al. 2020

Journal of Energy Storage

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Batteries provide growing amounts of Frequency Containment Reserve (FCR) in the German electricity market. We examine the ideal battery capacity as well as the optimal state of charge (SoC) setpoint for provision of FCR following a profit maximization approach. While a lot of research neglects taxes, their huge influence on the results is considered. In addition to stand-alone battery systems, we also consider hybrid systems, combining a battery storage with a Powerto-Heat (PtH) module. The hybrid system has two variants: In one variant energy is sold when the battery is fully charged, while in the other one the PtH module is used. Based on historical frequency and market data for one year, the performance of the different system variants is evaluated via a simulation. 2048 different combinations of battery capacity and SoC setpoint are examined. The performance of each configuration is evaluated with the net present value (NPV) method, allowing an economic comparison. The results show a financial advantage for the hybrid systems which sell energy when the battery is fully charged. The system configuration with the best NPV is a hybrid system with a battery capacity of 480 kWh and an SoC setpoint of 98 %. The optimal battery capacity of all considered variants has a lower capacity to power ratio than the usual ratio of 1 MWh to 1 MW, assumed in most other studies. Nonoptimal battery capacities have a stronger negative effect on the economic efficiency of the systems than non-optimal SoC setpoints. The results emphasise that the battery capacity is a critical investment decision.

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“…Domestic battery systems with power-to-heat coupling participating on the PCR market are investigated in [4]. The publication concluded that savings up to 31 % in comparison to a BESS without P2H and PCR are possible.…”

Section: Introductionmentioning

confidence: 99%

Participating in the control reserve market with PV battery energy storage systems and power-to-heat application

Angenendt¹,

Zurmühlen²,

Sauer³

2019

Proceedings of the 13th International Renewable Energy Storage Conference 2019 (IRES 2019)

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One way to enhance the penetration of renewable energies in residential homes is to use renewables in the heating sector. Integrated homes combine PV battery storage systems with heat pumps to use PV-generated energy for heating. During winter, storage systems and especially batteries in an integrated home are not used to their full capacity due to low solar radiation. This potential can be used to enhance the economics of integrated homes by applying a second use scheme. Second use describes the value stacking of home storage operation and participation on reserve markets, as it is the case for this publication. In Germany, markets for primary and secondary control reserve are the most promising for integrated homes. An advantage of integrated homes with power-to-heat coupling in comparison to standalone battery storage system is the additional flexibility to absorb negative control reserve power provided by the heating sector. This allows an extension of the operating limits of a power-to-heat coupled battery. Advantages of integrated homes in comparison to stand-alone battery systems are investigated. Results show that a dual-use operation with participation on the control reserve market can increase profitability of residential storage systems. The economics of the market participation are highly sensitive to numerous factors. Participating on the negative secondary control reserve market can lead to reduced annual cost up to 14.5 % in the investigated scenario. These savings are mainly driven by freeof-charge energy. If a system participates on the primary control reserve market, savings are mainly driven by additional revenues from market remuneration. Annual cost reductions up to 12.5 % are possible. Savings include costs for communication. Costs for market access are not minded.

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Domestic Battery and Power-to-Heat Storage for Self-Consumption and Provision of Primary Control Reserve

Cited by 4 publications

References 9 publications

Sustainable Residential Energy Supply: A Literature Review-Based Morphological Analysis

Sustainable Residential Energy Supply: A Literature Review-Based Morphological Analysis

Optimised capacity and operating strategy for providing frequency containment reserve with batteries and power-to-heat

Participating in the control reserve market with PV battery energy storage systems and power-to-heat application

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