Abstract:Electricity rates are a main driver for adoption of Distributed Energy Resources (DERs) by private consumers. In turn, DERs are a major component of the reliability of energy access in the long run. Defining reliability indices in a paradigm where energy is generated both behind and in front of the meter is part of an ongoing discussion about the future role of utilities and system operators with many regulatory implications. This paper contributes to that discussion by analyzing the effect of rate design on t… Show more
“…These models are very popular for designing and predicting investments in DER infrastructure in buildings and microgrids, e.g. [18,19], and are widely used to estimate future adoption and netload when the number of consumers in a particular node is relatively low [33,34,35]. This economic rationality is typically represented as an optimization model, simulating optimal decisions from the perspective of the prosumers, including the size and dispatch of the DER assets in ways that minimize prosumers' overall energy bill.…”
Section: Prosumer Adoption Modelmentioning
confidence: 99%
“…Storage variable cost was assumed to be 250 $/kWh, considering a lifetime of 10 years, a charging/discharging efficiency of 90%, a maximum discharge rate of 0.3kW per kWh installed, and a minimum state of charge of 20%. The parameterization of the stochastic model, representing the adoption probability as a function of the solution costs, is presented in equation (35), considering that the fixed effect is set to zero. The probability of adoption is then found given the capital cost, C cap,k , and annual avoided cost of energy, A ann,k as shown in Fig.…”
Section: Case Study Descriptionmentioning
confidence: 99%
“…From these two perspectives, it is clear that rate design decisions now have the potential to impact the grid in the future, if the economic dynamics of DER adoption are taken into account. However, as these two lines of research have evolved separately, only a reduced number of studies have focused on this impact [21,22,23,33,34].In particular, a methodology to quantify the grid security and reliability impacts of tariff driven adoption of solar technologies was presented in [33,34] and [35], respectively. In these papers, the authors used an optimization-based approach, from the prosumer perspective, to calculate the post-adoption netload and the consequent impact on the grid.…”
This paper models the role of electricity tariffs on the long-term adoption of photovoltaic and storage technologies as well as the consequent impact on the distribution grid. An adoption model that captures the economic rationality of tariff-driven investments and considers the stochastic nature of individual consumers' decisions is proposed. This model is then combined with a probabilistic load flow to evaluate the long-term impacts of the adoption on the voltage profiles of the distribution grid. To illustrate the methodology, different components of the electricity tariffs, including solar compensation mechanisms and time differentiation of Time-of-Use (ToU) rates, are evaluated, using a case study involving a section of a medium-voltage network with 118 nodes.
“…These models are very popular for designing and predicting investments in DER infrastructure in buildings and microgrids, e.g. [18,19], and are widely used to estimate future adoption and netload when the number of consumers in a particular node is relatively low [33,34,35]. This economic rationality is typically represented as an optimization model, simulating optimal decisions from the perspective of the prosumers, including the size and dispatch of the DER assets in ways that minimize prosumers' overall energy bill.…”
Section: Prosumer Adoption Modelmentioning
confidence: 99%
“…Storage variable cost was assumed to be 250 $/kWh, considering a lifetime of 10 years, a charging/discharging efficiency of 90%, a maximum discharge rate of 0.3kW per kWh installed, and a minimum state of charge of 20%. The parameterization of the stochastic model, representing the adoption probability as a function of the solution costs, is presented in equation (35), considering that the fixed effect is set to zero. The probability of adoption is then found given the capital cost, C cap,k , and annual avoided cost of energy, A ann,k as shown in Fig.…”
Section: Case Study Descriptionmentioning
confidence: 99%
“…From these two perspectives, it is clear that rate design decisions now have the potential to impact the grid in the future, if the economic dynamics of DER adoption are taken into account. However, as these two lines of research have evolved separately, only a reduced number of studies have focused on this impact [21,22,23,33,34].In particular, a methodology to quantify the grid security and reliability impacts of tariff driven adoption of solar technologies was presented in [33,34] and [35], respectively. In these papers, the authors used an optimization-based approach, from the prosumer perspective, to calculate the post-adoption netload and the consequent impact on the grid.…”
This paper models the role of electricity tariffs on the long-term adoption of photovoltaic and storage technologies as well as the consequent impact on the distribution grid. An adoption model that captures the economic rationality of tariff-driven investments and considers the stochastic nature of individual consumers' decisions is proposed. This model is then combined with a probabilistic load flow to evaluate the long-term impacts of the adoption on the voltage profiles of the distribution grid. To illustrate the methodology, different components of the electricity tariffs, including solar compensation mechanisms and time differentiation of Time-of-Use (ToU) rates, are evaluated, using a case study involving a section of a medium-voltage network with 118 nodes.
“…Therefore, effective and reasonable distribution network investment planning is the necessary condition to solve the above problems (Yi et al, 2021). How to fully consider the influence of DG on the distribution network and make reasonable investment decisions is one of the core tasks of distribution network planning under the condition of limited investment (Maheshwari et al, 2020).…”
Distributed energy resources (DER) is a prevalent technology in distribution grids. However, it poses challenges for distribution network operators to make optimal decisions, estimate total investment returns, and forecast future grid operation performance to achieve investment development objectives. Conventional methods mostly rely on current data to conduct a static analysis of distribution network investment, and fail to account for the impact of dynamic variations in relevant factors on a long-term scale on distribution network operation and investment revenue. Therefore, this paper proposes a techno-economic approach to distribution networks considering distributed generation. First, the analysis method of the relationship between each investment subject and distribution network benefit is established by using the system dynamics model, and the indicator system for distribution network investment benefit analysis is constructed. Next, the distribution network operation technology model based on the dist flow approach is employed. This model takes into account various network constraints and facilitates the comprehensive analysis of distribution network operation under dynamic changes in multiple factors. Consequently, the technical index parameters are updated to reflect these changes. This updated information is then integrated into the system dynamics model to establish an interactive simulation of the techno-economic model. Through rigorous verification using practical examples, the proposed method is able to obtain the multiple benefits of different investment strategies and be able to select the better solution. This can provide reference value for future power grid planning.
“…Users have access to several key features, in particular the possibility of varying their load and deciding on the basis of economic and environmental criteria. To perform this optimisation, DER-CAM considers three typical days per month over the course of one year [27], leading to a simplified idealization of the decision-making process [28]. REopt is another software tool which serves as a technical-economic decision-support model for RES.…”
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