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High penetration of DPV often leads to the infamous “duck curve,” the formation of two daily peaks in the morning and evening when PV is not available. This easy to read report assesses a variety of options to mitigate the “duck curve” from targeted efficiency, time of use rate design, storage, demand response, balancing, and complementing DPV with peak-oriented renewables. Implantation of these recommendations flattens the demand curve, allowing for additional DPV.
Located in Topics & Resources / Grid Planning, Integration, & Operations / Grid Planning, Integration, & Operations folder
DG owners can be compensated in different ways for the electricity their systems generate. This short report defines compensation mechanisms for grid-connected, behind-the-meter DG systems as instruments that comprise three core elements: (1) metering & billing arrangements, (2) sell rate design, and (3) retail rate design. This report explores metering & billing arrangements (net energy metering (NEM); buy all, sell all; and net billing), with some limited discussion of sell rate design.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
This report, written to inform energy planning in China, showcases regulatory support, policies, and financing innovations that have enabled DPV deployment and market growth in the U.S.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
New DG compensation mechanisms—such as value of solar and distributed locational marginal pricing—can offer additional value to generators while dampening the volatility of high DG penetration on the grid. Various pricing options, and policy options for protecting revenue adequacy for utilities are assessed in this report to provide readers with a variety of novel options to better compensate all stakeholders.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
As adoption of DG increases, demand for utility provided power decreases. This report assesses the impacts this decreased demand is likely to have on utility recovery of fixed costs, rate structures, and emphasizes best practices for DG regulation.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
Incentive programs credit DPV generators for their production and, in several U.S. states, have been successful at creating demand for DPV to meet targets. This report examines various incentive structures and recommends best practices. Some incentive structures are found to be contextually more applicable than others, and tools to align incentives with changing market conditions are discussed. Because ratepayers are usually funding incentives, methods to protect ratepayers and ensure cost-effectiveness are also discussed. Utilities looking for ways to incentivize DPV to meet targets or obligations can find value in this report.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
The 21st Century Power Partnership supports global power sector transformation. The Partnership has developed a curated, annotated resource library that provides reports, academic literature, case studies, and good practices to support DG regulation in a variety of power system contexts. The library is organized around several topical areas: ratemaking, understanding impacts, interconnection, alternative business and regulatory models, planning, and case studies.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
DG can play a role in sustainable, low-emission, climate-resilient development worldwide. This report identifies the benefits of DG deployment in development scenarios through energy access, greenhouse gas emission mitigation, and climate resilience as well as specific actions that may enhance or increase the likelihood of climate and development benefits. Additionally, several brief case-studies of DG deployment in developing communities are included.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
Value of solar is an emerging concept that provides a mechanism for utilities to compensate customers who generate their own electricity through DPV, based upon the cost-benefits to the power system. This report discusses program design options for Value of Solar tariff offerings and the impact of this type of tariff on future deployment of DPV. It also includes case studies from two jurisdictions in the United States (Austin, Texas and the state of Minnesota) that have adopted Value of Solar mechanisms.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
Value of solar methods for compensating DG rely on cost-benefit analysis to determine tariff options. This brief report analyzes different objectives behind DGPV programs, finding that various objectives require different methodological perspectives when conducting a cost-benefit analysis and ultimately creating a tariff.
Located in Topics & Resources / Regulation & Public Policy / Regulation & Public Policy folder
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