Decentralized energy storage can contribute to flattening the load curve by shifting demand from peak times and can support grid operations to balance local power supply and demand. The DRET collaborative explores innovative energy storage technologies and strategies, with particular emphasis on practicality and cost effectiveness.
Energy Storage Research
| Project Focus | Project Title | Year | Source | Purpose | Draft or Final Report | ||
|---|---|---|---|---|---|---|---|
| wdt_ID | Sort | Project Focus | Project Title | Year | Source | Purpose | Draft or Final Report |
| 14 | 105 | Energy Storage | DR15.13 Commercial and Industrial ADR with Stationary Battery Storage | 2016 | SCE | The goal of this project is to quantify the Demand Response performance of energy storage systems while monitoring power quality characteristics at the participating customer facilities to determine whether battery storage dispatch resulted in any power quality issues for the customer. | Final |
| 15 | 100 | Energy Storage | DR12.20 Evaluation of Permanent Load Shift Technologies and Dev of Pre-Feasability Tool | 2016 | SCE | This project aims to provide a market characterization and technology review of energy storage and load shift technologies; review and advance existing building simulation models used for predicting thermal energy storage savings; develop a free, open-source, cloud-based tool based to estimate energy savings and implementation costs for thermal energy storage. | Final |
| 17 | 115 | Energy Storage | DR18.05 Residential Energy Storage Study | 2022 | SCE | The purpose of the study was to explore the capabilities of monitoring, automation, and control of four Behind-the-Meter (BTM) residential BESS systems, providing real-time grid congestion support and demonstrating price responsiveness with live market values. | Final |
| 18 | 120 | Energy Storage | DR18.06 Willowbrook Low-Income Multi-Family DER: Energy Storage with PV | 2022 | SCE | This project examined the development and implementation of innovative testing techniques to evaluate new configurations for solar and optimization, and how DR dispatch strategies with the storage can be investigated for overgeneration mitigation. | Final |
| 19 | 125 | Energy Storage | DR19.02 Mosaic Gardens Battery Control and Optimization Final Report | 2022 | SCE | This project is designed to assess how the BESS can provide demand response benefits, along with the potential impact on local distribution transformers, the distribution infrastructure, and customer electric bills. | Draft |
| 104 | 136 | Energy Storage | Lab Testing Heat Pump Water Heaters to Support Modeling Load Shifting | 2018 | PG&E | This project focused on the potential impacts of performing load shifting with HWPHs in California’s Building Energy Efficiency Standards (Title 24, Part 6) and supported simulation model enhancement | Final |
| 112 | 131 | Energy Storage | Battery Powered Load Shedding System – Automated Demand Response Evaluation | 2019 | SDG&E | The objective of this study is to evaluate the Demand Response (DR) capability of the Energy Storage System (ESS). In addition to peak load shaving capability, the study will evaluate the impact of the ESS on the circuit and analyze customer bill/economic impact. | Final |
| 113 | 132 | Energy Storage | Behind-the-Meter Battery Market Study | 2020 | SDG&E | This study aims to define and characterize the gap that exists between potential and actual benefits, estimate the future potential of the emerging behind-the-meter (BTM) BESS market, and identify promising opportunities for future products, services, and programs. | Final |
| 114 | 133 | Energy Storage | Commercial Behind the Meter Battery Energy Storage System M&V Study | 2019 | SDG&E | The objective of this study was to evaluate the demand response capability of the energy storage system. The study also evaluated the impact of the energy storage system on the utilities circuit levels and the customers’ bill/economics. | Final |
| 115 | 134 | Energy Storage | Flywheel Energy Storage Study | 2017 | SDG&E | The purpose of this study is to determine the capabilities and cost-effectiveness of a lower-cost-of-manufacture Flywheel Energy Storage (FES) System. | Final |
| 125 | 135 | Energy Storage | Permanent Load Shifting Evaluation of a Refrigeration Battery | 2021 | SDG&E | The project will demonstrate the Refrigeration Battery’s ability to maintain the desired temperature set-points of a supermarket’s medium temperature refrigeration systems without running the central compressors or condensers for up to 8 hours at a time. | Final |
| 137 | 135 | Energy Storage | Data Analytics to Maximize Demand Response | 2021 | SDG&E | This study is being conducted to develop a data analytics tool that incorporates battery storage to maximize Demand Response (DR) programs enrollment and DR event participation. | Final |
| 140 | Energy Storage | Residential Battery Energy Storage: Demand Response Opportunities with OpenADR 2.0b | 2020 | SCE | The Electric Power Research Institute (EPRI) conducted preliminary testing in a laboratory environment and testing at one field site to determine the feasibility of communicating standardized DR signaling via the open automated DR communications standard (OpenADR 2.0b) with residential, behind-the-meter battery energy storage systems. | Final | |
| 143 | Energy Storage | Energy Storage Markets: 2019 | 2020 | SCE | The objective of this project is to help characterize California’s residential energy storage markets, with implications for the potential residential energy storage must play in grid operations. | ||
| 144 | Energy Storage | WatterSaver Pilot | 2020 | PG&E | The main objective was to shift the energy use profile of water heaters on a daily basis from the 4 to 9 pm peak period to lower-cost hours thus, avoiding congestion on the grid and aligning with TOU rates. | ||
| 145 | Energy Storage | BTM Battery for Load Management Study | 2023 | PG&E | This study will collect data such as customer load performance and effectiveness of different algorithm during 2021 and 2022 to inform optimal program design for aggregators and customers with a BTM battery. | Final | |
| 146 | Energy Storage | DR19.04 Evaluation of Direct Energy Savings and DR Potential from PCM for Cold Storage Applications | 2022 | SCE | The project is intended to determine the effectiveness of phase change materials (PCM) technology to act as a means for refrigeration facilities to “shift” their energy usage and electrical demand. This technology utilizes the existing walk-in space for storing frozen food and acts as an element of the thermal storage mass by adding more storage “load” via sealed modules on top of the storage racks. | Final | |
| 147 | Energy Storage | Shelter Valley Virtual Power Plant | 2024 | SDG&E | The Shelter Valley Virtual Power Plant (VPP) project evaluates the control, dispatch and real-time signaling of behind-the-meter resources installed throughout a vulnerable community in the SDG&E service territory. Battery storage systems are being prioritized to customers with existing solar who are on medical baseline and/or those with access & functional needs. | Final | |
| 148 | Energy Storage | DR17.05 Refrigeration Battery | 2021 | SCE | This study examined the DR potential of a “Refrigeration Battery” thermal energy storage (TES) system using advanced communication systems that can facilitate either real time or day ahead dispatch strategies. | Final | |
| 149 | Energy Storage | DR19.05 Virtual Power Plant Project | 2022 | SCE | The VPP network in this project utilizes residential behind-the-meter (BTM) battery systems to demonstrate the ability to provide pre-scheduled demand response grid services. The project estimated the electricity demand impacts of demand response at the utility customer’s meter and analyzed the battery and solar PV system telemetry data and found that the AMI meter and battery telemetry demand impact estimates were highly correlated. | Final | |
| 150 | Energy Storage | Residential Battery as Virtual Power Plant (VPP) Study | 2022 | PG&E | This study evaluates how BTM residential battery system can be used to provide value to the customers and the grid during grid emergency. The study will focus on customers with existing battery with solar. | Final |