Project SummaryThis consolidated report summarizes the installation and assessment of electronic HID at three sites: a large manufacturing facility, a regional supermarket chain and a community college all located in Northern California. Relying primarily on field testing, the project team...

Project SummaryA significant portion of the energy in data centers is currently dedicated to provide cooling for the server equipment. Data centers must provide continuous air conditioning to address high internal heat loads (heat release from computer servers) and maintain indoor temperatures...

Solar-powered circulator technology is an emerging technology that uses solar-powered equipment to drive a radial flow process that provides laminar circulation in water and wastewater systems such as water tanks and reservoirs, wastewater ponds and lagoons In addition, it can be used to improve...

Project SummaryThis assessment will build in-depth understanding of the operation of CO2-based refrigeration systems and a validated model of the energy savings compared to the other equipment.  The measured performance of a CO2/NH3 Cascade system over a six month period was compared to the...

Project SummaryThis report describes the results of an assessment of the energy impacts resulting from use of ozone in an on-premise hotel laundry facility. The value of the natural gas saved due to the replacement of hot water with cold was the leading component of total savings.  The value...

The purpose of this study was to identify strategies for increasing the market penetration of energy efficiency in the large office building markets. This report describes market trends and building owner values with respect to energy efficiency and makes programmatic recommendations for products...

Project SummaryThis report summarizes the installation and assessment of advanced skylight systems at a retail bookstore in Northern California. Relying primarily on field testing, the project team conducted photometric and power measurements, as well as customer satisfaction surveys and economic...

Project SummaryThis report summarizes an assessment project conducted to evaluate light-emitting diode (LED) luminaires with bi-level operation in an outdoor parking lot application. The project replaced metal halide (MH) fixtures of nominal 320 watts  with bi-level LED luminaires from BetaLED...

Project SummaryLarge battery chargers are used with such products as forklifts, airport transport equipment, neighborhood electric vehicles and golf carts. Large battery chargers can be found in residential, commercial and industrial applications using both single phase and three phase power....

Project SummaryThis study evaluated the performance of a micro-bubble wastewater treatment system developed by Absolute Aeration installed at a winery located in the California Coastal area.  It was sponsored by the PG&E Emerging Technologies Program as part of its effort in promoting...