An optimisation study on integrating and incentivising Thermal Energy Storage (TES) in a dwelling energy system

Gbemi Oluleye, John Allison, Nicolas Kelly, Adam D. Hawkes

Research output: Contribution to journalArticle

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Abstract

In spite of the benefits from thermal energy storage (TES) integration in dwellings, the penetration rate in Europe is 5%. Effective fiscal policies are necessary to accelerate deployment. However, there is currently no direct support for TES in buildings compared to support for electricity storage. This could be due to lack of evidence to support incentivisation. In this study, a novel systematic framework is developed to provide a case in support of TES incentivisation. The model determines the costs, CO2 emissions, dispatch strategy and sizes of technologies, and TES for a domestic user under policy neutral and policy intensive scenarios. The model is applied to different building types in the UK. The model is applied to a case study for a detached dwelling in the UK (floor area of 122 m2), where heat demand is satisfied by a boiler and electricity imported from the grid. Results show that under a policy neutral scenario, integrating a micro-Combined Heat and Power (CHP) reduces the primary energy demand by 11%, CO2 emissions by 21%, but with a 16 year payback. Additional benefits from TES integration can pay for the investment within the first 9 years, reducing to 3.5-6 years when the CO2 levy is accounted for. Under a policy intensive scenario (for example considering the Feed in Tariff (FIT)), primary energy demand and CO2 emissions reduce by 17 and 33% respectively with a 5 year payback. In this case, the additional benefits for TES integration can pay for the investment in TES within the first 2 years. The framework developed is a useful tool is determining the role TES in decarbonising domestic energy systems.

LanguageEnglish
Article number1095
Number of pages17
JournalEnergies
Volume11
Issue number5
DOIs
StatePublished - 29 Apr 2018

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Energy Storage
Thermal energy
Energy storage
Optimization
Energy
Electricity
Scenarios
Heat
Fiscal Policy
Penetration
Accelerate
Boilers
Model
Grid
Necessary
Policy
Costs

Keywords

  • incentives
  • multi-period mixed integer linear program
  • techno-economic analysis
  • TES

Cite this

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An optimisation study on integrating and incentivising Thermal Energy Storage (TES) in a dwelling energy system. / Oluleye, Gbemi; Allison, John; Kelly, Nicolas; Hawkes, Adam D.

In: Energies, Vol. 11, No. 5, 1095, 29.04.2018.

Research output: Contribution to journalArticle

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