Heat Roadmap Europe: Identifying strategic heat synergy regions

Persson, Urban; Möller, Bernd; Werner, Sven

doi:10.1016/j.enpol.2014.07.015

Cited by 184 publications

(118 citation statements)

References 29 publications

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“…Taken together, this means that we need further studies of excess heat availability to gain a more thorough understanding of the inherent potential of this resource. This is in line with what is discussed in Bendig et al (2013) and Persson et al (2014), where the scarcity of bottom-up studies in the field is emphasized.…”

Section: Research Questionsupporting

confidence: 73%

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System studies of the use of industrial excess heat

Viklund¹

2015

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Energy, materials, and by-products, can be exchanged between companies, having positive effects in the form of improved resource efficiency, environmental benefits, and economic gains. One such energy stream that can be exchanged is excess heat, that is, heat generated as a by-product during, for example, industrial production. Excess heat will continue to play an important role in efforts to reduce greenhouse gas (GHG) emissions and improve energy efficiency. Using excess heat is therefore currently emphasized in EU policy as a way to reach EU climate targets.This thesis examines the opportunities of manufacturing industries to use industrial excess heat, and how doing so can positively affect industry, society, and the climate. Since different parts of the energy system are entangled, there is an inherent complexity in studying these systems and introducing excess heat in one part of the energy system may influence other parts of the system. This analysis has accordingly been conducted by combining studies from various perspectives, by applying both quantitative and qualitative methods and covering a broad range of aspects, such as technical possibilities as well as climate, policy, economics, and resource aspects.The results identify several opportunities and benefits accruing from excess heat use. Although excess heat is currently partly used as a thermal resource in district heating in Sweden, this thesis demonstrates that significant untapped excess heat is still available. The mapping conducted in the appended studies identifies excess heat in different energy carriers, mainly low-temperature water. Analysis of excess heat use in different recovery options demonstrated greater output when using excess heat in district heating than electricity production. Optimizing the trade-offs in excess heat used in a district heating network, heatdriven cooling, and electricity production under different energy market conditions while minimizing the system cost, however, indicated that the attractiveness of excess heat in district heating depends on the type of heat production in the system. Viewing excess heat as a low-cost energy source also makes it economically interesting, and creates opportunities to invest in excess heat-recovery solutions. Excess heat is often viewed as CO 2 neutral since unused excess heat may be regarded as wasted energy. The GHG mitigation potential of using excess heat, however, was found to be ambiguous. The appended studies demonstrate that using excess heat for electricity production or for applications that reduce the use of electricity reduces GHG emissions. The effects of using excess heat in district heating, on the vi other hand, depend on the energy market development, for example, the marginal electricity production and marginal use of biomass, and on the type of district heating system replaced. The interviews performed reveal that energy policy does influence excess heat use, being demonstrated both to promote and discourage excess heat use. Beyond national energy polic...

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Section: Research Questionsupporting

confidence: 73%

“…Studies of excess heat potentials as described in this section are mainly top-down studies; bottom-up studies in the field are scarce, for example, as noted in Bendig et al (2013) and Persson et al (2014). The untapped excess heat potentials considered in this thesis are based on site-specific data.…”

Section: Excess Heat Availabilitymentioning

confidence: 99%

System studies of the use of industrial excess heat

Viklund¹

2015

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“…A precondition to design strategies allowing to progress along these two axes is to have a better knowledge of the territorial energy demand. Territorial aspects related to heat and electricity consumption are a main concern of major EU research projects, such as Connolly et al (2013), Persson et al (2014), and David et al (2017). The territorial aspect of heat demand is predominant, since heat is difficult and expensive to transport over long distances.…”

Section: Introductionmentioning

confidence: 99%

Spatial–Temporal Analysis of the Heat and Electricity Demand of the Swiss Building Stock

Schneider

Hollmuller

Strat

et al. 2017

Front. Built Environ.

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In 2015, space heating and domestic hot water production accounted for around 40% of the Swiss final energy consumption. Reaching the goals of the 2050 energy strategy will require significantly reducing this share despite the growing building stock. Renewables are numerous but subject to spatial-temporal constraints. Territorial planning of energy distribution systems enabling the integration of renewables requires having a spatial-temporal characterization of the energy demand. This paper presents two bottom-up statistical extrapolation models for the estimation of the geo-dependent heat and electricity demand of the Swiss building stock. The heat demand is estimated by means of a statistical bottom-up model applied at the building level. At the municipality level, the electricity load curve is estimated by combining socio-economic indicators with average consumption per activity and/or electric device. This approach also allows to break down the estimated electricity demand according to activity type (e.g., households, various industry, and service activities) and appliance type (e.g., lighting, motor force, fridges). The total estimated aggregated demand is 94 TWh for heat and 58 TWh for electricity, which represent a deviation of 2.9 and 0.5%, respectively compared to the national energy consumption statistics. In addition, comparisons between estimated and measured electric load curves are done to validate the proposed approach. Finally, these models are used to build a geo-referred database of heat and electricity demand for the entire Swiss territory. As an application of the heat demand model, a realistic saving potential is estimated for the existing building stock; this potential could be achieved through by a deep retrofit program. One advantage of the statistical bottom-up model approach is that it allows to simulate a building stock that replicates the diversity of building demand. This point is important in order to correctly account for the mismatch between gross and net energy saving potential, often called performance gap. The impact of this performance gap is substantial since the estimated net saving potential is only half of the gross one.

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“…Наявність значного, ще не реалізованого, потенціалу підвищення ефективності систем КТЕ з урахуванням екологічних та економічних аспектів їх діяльності обґрунтовано в науковому звіті [3]. Результати дослідження конку-рентних переваг систем КТЕ у порівнянні з іншими видами забезпечення кінцевих споживачів тепловою енергією, які підтверджують доцільність подальшого пошуку шляхів підвищення ефективності функціону-вання систем КТЕ, представлені в роботах [4,5].…”

Section: аналіз літературних даних та постановка проблемиunclassified

Efficiency improvement of organizational-and-technological management of municipal heat-power systems

Басок¹,

Євтухова²

2016

EEJET

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Heat Roadmap Europe: Identifying strategic heat synergy regions

Cited by 184 publications

References 29 publications

System studies of the use of industrial excess heat

System studies of the use of industrial excess heat

Spatial–Temporal Analysis of the Heat and Electricity Demand of the Swiss Building Stock

Efficiency improvement of organizational-and-technological management of municipal heat-power systems

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