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The U.S. state of Minnesota has enacted legislation allowing investor-owned utilities to use a value of solar tariff as an alternative to net metering for DPV. This document details the methodology participating utilities will use to calculate the value of solar tariff to account for several values of DPV (including energy and its delivery, generation and transmission capacity, transmission and distribution losses, and environmental value). The methodology includes detailed example calculations for each step.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
Estimating the benefits and costs of DPV helps power system stakeholders evaluate appropriate regulatory measures and compensation programs for DPV. To inform these decisions, this report describes current and potential future methods, data, and tools to estimate the benefits and costs of DPV from the utility or electricity-generation system perspective. Although the report is explicitly written in the context of informing estimation of DPV costs and benefits to the United States electricity system, it provides insights relevant to power systems around the world.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
Utilities worldwide are concerned about the financial impact of increasing DPV adoption among their retail customers. This report analyzes the impact of DPV deployment on distribution utility revenues and retail electricity tariffs in Thailand. It provides policymakers, utilities, and other energy practitioners a real-world example of how DPV affects certain stakeholders.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
Because of Jamaica’s high retail electricity prices, significant opportunity exists for DPV as an economic alternative. This paper reviews the effectiveness of Jamaica’s net billing pilot program, and identifies remaining challenges including a complex interconnection process, contractual ambiguity, and stakeholder equity concerns. The report provides several specific recommendations like shortening interconnection timelines, reducing caps on individual systems, and moving beyond a pilot phase. Many of these recommendations are applicable to other countries, particularly those with similarly high electricity rates.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
Recent market liberalization and energy sector reform in Mexico is pushing forward a wave of new potential for DG. This report explores how DG can fulfill many of Mexico’s energy goals. It presents specific policy options to better integrate DG as a cost-effective source of energy generation. Although specifically tailored to Mexico, many of the report’s recommendations can be applied in developing contexts.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
Financial incentives for PV installations work at multiple policy levels and are an impactful tool for promoting clean energy deployment. As some forty-eight countries globally have implemented financial incentives for PV, methods like tax measures, rebates or grants, performance-based incentives, and loan programs stand as demonstrably successful tools. This study examines ways to ensure success in implementing incentive structures.
Located in Topics & Resources / Financing & Business Models / Financing & Business Models folder
This report describes state-of-the-art practices with respect to variable generation integration. The report is predominantly based on an extensive literature review and includes highlights of ancillary service requirements for distributed generation in Germany and Spain. Pages 167 – 177 contain information on regional ancillary service practices in the United States.
Located in Integration Topics / Ancillary Services / Ancillary Services folder
This report estimates the storage required to enable PV penetration up to 50% in California (with renewable penetration over 66%), and quantifies the complex relationships among storage, PV penetration, grid flexibility, and PV costs due to increased curtailment. The authors find that storage needs depend strongly on the amount of other flexibility resources deployed. With very low-cost PV (three cents per kilowatt-hour) and a highly flexible electric power system, about 19 gigawatts of energy storage could enable 50% PV penetration with a marginal net PV levelized cost of energy (LCOE) comparable to the variable costs of future combined-cycle gas generators under carbon constraints.
Located in Integration Topics / Demand Response and Storage / Demand Response and Storage Folder
This paper summarizes existing research on the relationship between energy efficiency and demand response. Energy efficiency measures and rate design can impact investments towards demand response measures (and vice versa). Using information gathered through interviews with program administrators, customers, and service providers, this paper suggests four ways to coordinate energy efficiency and demand response programs (combining program offerings, coordinating program marketing and education, enabling market-driven coordinated services, and developing building codes and appliance standards) and also discusses barriers and opportunities to facilitate coordination.
Located in Integration Topics / Demand Response and Storage / Demand Response and Storage Folder
Utilities worldwide are concerned about the financial impact of increasing distributed PV adoption among their retail customers. This report analyzes the impact of distributed PV deployment on distribution utility revenues and retail electricity tariffs in Thailand. It provides policymakers, utilities, and other energy practitioners a real-world example of how distributed PV affects certain stakeholders.
Located in Integration Topics / Distributed Generation / Distributed Generation folder
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