Skip to main content
Sector Residential
End-use Miscellaneous
Project Number ET22PGE7310
2022 - 2023
PG&E
PDF Available
COMPLETE
PG&E’s Demand Response Emerging Technology (DRET) Program initiated a residential Battery Study to investigate the potential to utilize residential photovoltaic solar systems paired with a home battery system to support state electric grid reliability. PG&E designed the study to learn...
Sector Industrial
End-use Process Loads
Project Number ET23SWE0036
2023 - 2023
SWE (Statewide Electric ETP)
PDF Available
COMPLETE
This project involves a market characterization study for Industrial Heat Pumps. Industrial Heat pumps are heat pumps that are used in large-scale industrial processes. Standard heat pumps are generally used for residential and small-scale commercial applications. Industrial heat pumps, on the...
Sector Residential
End-use Water Heating/DHW/HPWH
Project Number ET23SWE0035
2023 - 2023
SWE (Statewide Electric ETP)
PDF Available
COMPLETE
This project will analyze the current CA eTRM measure packages for residential Heat Pump Water Heaters (HPWH) based on market and product data to identify gaps and recommend enhancements to the measure offerings. The final report will be delivered to the California Technical Forum and other eTRM...
Sector Residential
End-use Other
Project Number CR21PGE1901
2021 - 2023
PG&E
PDF Available
COMPLETE
Several past studies tested air-leakage rates in multifamily buildings and dwelling unit compartmentalization rates, but most of these studies were performed in colder climate states and are not directly transferable to California. Therefore, there is a general lack of California specific...
Sector Commercial
End-use HVAC
Project Number ET21PGE7201-1
2021 - 2023
PG&E
PDF Available
COMPLETE
Abstract: In 2021 PG&E’s Code Readiness Program research team (Research Team) initiated an evaluation and data collection of nonresidential hydronic heat pump (HP) heating equipment across California. The intent of the data collection effort was to better understand how hydronic HPs perform...
Sector Residential
End-use Water Heating/DHW/HPWH
Project Number CR22PGE1901
2022 - 2023
PG&E
PDF Available
COMPLETE
The current California Building Standards Code, Title 24, does not include minimum ventilation requirements for residential heat pump water heaters (HPWH). Building owners across California are installing HPWHs in small closets without adequate ventilation, leading to high...
Sector Commercial
End-use HVAC
Project Number ET23SWE0028
2023 - 2023
SWE (Statewide Electric ETP)
PDF Available
COMPLETE
Heat pumps provide significant energy savings and a path for electrification, but they typically use refrigerants with a high global warming potential (GWP), which can degrade the greenhouse gas reductions from energy savings. The California Air Resources Board (CARB) has regulations that will...
Sector Commercial
End-use HVAC
Project Number ET23SWE0029
2023 - 2023
SWE (Statewide Electric ETP)
PDF Available
COMPLETE
Heat Pump space conditioning systems (HP) are a key tool in meeting the state’s GHG goals, however, recent data from field M&V studies has shown significant energy penalty from the incorrect operation of crankcase heaters (CCH), defrost controls and standby power usage – up to 50% of the annual...
Sector Commercial
End-use HVAC
Project Number ET18PGE1902-4
2018 - 2023
PG&E
PDF Available
COMPLETE
The Palm Springs Case Study is one of eight buildings evaluated under a Code Readiness field monitoring research effort to better understand real-world performance of dedicated outdoor air systems (DOAS) in California. The Palm Springs site was renovated in 2021 with a fully decoupled HVAC system...
Sector Residential
End-use Other
Project Number CR21PGE1901
2021 - 2023
PG&E
PDF Available
COMPLETE
This report summarizes building energy modeling analysis completed over a period of time from 2022 through 2023 as part of PG&E’s Code Readiness program effort to better understand air-leakage rates in recently constructed multifamily buildings in California. The building energy modeling in...
  • Pacific Gas & Electric Company logo
  • Southern California Edison Company logo
  • Southern California Gas Company logo
  • San Diego Gas & Electric Company logo
  • Sacramento Municipal Utility District logo
  • Los Angeles Department of Water and Power logo
  • CEC logo

Copyright © 2024 Energy Transition Coordinating Council. Trademarks are the property of their respective owners. All rights reserved.

The ETCC is funded in part by ratepayer dollars and the California IOU Emerging Technologies Program, the IOU Codes & Standards Planning & Coordination Subprograms, and the Demand Response Emerging Technologies (DRET) Collaborative programs under the auspices of the California Public Utilities Commission. The municipal portion of this program is funded and administered by Sacramento Municipal Utility District and Los Angeles Department of Water and Power.