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Full-Text Articles in Engineering

Using Electricity Consumption To Estimate Water Volumes Pumped From Wells, Charles M. Burt May 2017

Using Electricity Consumption To Estimate Water Volumes Pumped From Wells, Charles M. Burt

BioResource and Agricultural Engineering

The Sustainable Groundwater Management Act (SGMA) of California has led some organizations to want access to documentation of the volumes of groundwater pumped by individual wells. Many well pumps already have flow meters installed that provide an accurate measurement of both instantaneous flow rate and the cumulative volume pumped. For wells that do not have flow meters, it has been proposed for many years that pumped volumes can be accurately estimated by simply using the total power consumption, measured in kilowatt-hours (kWh).


Winegrape Vineyards And Winery Operations: Energy Efficiency/ Sustainability And Expansion, Stuart Styles, Sierra Layous, Sarah Crable Nov 2014

Winegrape Vineyards And Winery Operations: Energy Efficiency/ Sustainability And Expansion, Stuart Styles, Sierra Layous, Sarah Crable

BioResource and Agricultural Engineering

Southern California Edison (SCE) provides utility services to the greater southern California area. Vineyards and wineries exist throughout the region, and historical data suggests that that they largely do not utilize incentive programs offered by the utility.

As the first phase in a larger study, the Irrigation Training & Research Center (ITRC), located at the California Polytechnic State University, San Luis Obispo, completed a characterization of the vineyard and winery sector as it pertains to energy and water usage in SCE’s service area, including the following major tasks:

  1. Identification of vineyard and winery demographics in SCE’s service area.
  2. Identification of …


Technology Portal For Energy Efficient Buildings, Larry D. Hermanson, Daniel Studer, Annie Mroz Aug 2012

Technology Portal For Energy Efficient Buildings, Larry D. Hermanson, Daniel Studer, Annie Mroz

STAR Program Research Presentations

Project: Technology Portal for Energy Efficient Buildings

Date: August 2, 2012

Author: Larry Hermanson

Mentor: Daniel Studer

Cohort: Annie Mroz

Lab site: National Renewable Energy Laboratory (NREL)

Buildings account for 71% of the electricity demand and 39% of the primary energy consumption in the United States. The Commercial Buildings Group at NREL provides builders, designers and building owners accurate information to significantly improve the energy efficiency of new and existing buildings. The Technology Portal for Energy Efficient Buildings will increase the accessibility of standardized and credible energy performance data for all building systems, thereby allowing building owners to better evaluate …


Irrigation System Components And Potentials For Energy Conservation, Charles M. Burt May 2011

Irrigation System Components And Potentials For Energy Conservation, Charles M. Burt

BioResource and Agricultural Engineering

On-site electricity conservation in irrigation can be accomplished through a series of general steps. The primary focus of the agricultural energy conservation programs of the utilities has been to improve the efficiency of the pumping plant. In general, the electric utilities have provided or subsidized pump testing, along with some form of rebate for replacement or repair of pumps. There are, of course, other irrigation-related aspects of energy conservation. However, this report focuses on on-site electricity conservation in the field.


Agricultural Water Energy Efficiency: Final Report, Charles M. Burt, Dan J. Howes, Beau Freeman Apr 2011

Agricultural Water Energy Efficiency: Final Report, Charles M. Burt, Dan J. Howes, Beau Freeman

BioResource and Agricultural Engineering

Beginning in 2007, the Irrigation Training and Research Center (ITRC) at California Polytechnic State University, San Luis Obispo, contracted with the California Energy Commission’s (CEC) Public Interest Energy Research (PIER) Program to undertake a large, multi-tiered study on agricultural water energy efficiency in California. The study was broken into the following research tasks: Task 1: Administrative; Task 2.1: Irrigation district energy survey; Task 2.2: Conversion to groundwater pumping with drip/ micro irrigation systems; Task 2.3: GIS-based water scheduling and software system; Task 3: Irrigation component energy analysis; Task 4: RD&D competitive solicitation; Task 5; Technology transfer. The resulting survey, research, …


Irrigation District Energy Survey, Charles M. Burt, Daniel J. Howes Jan 2008

Irrigation District Energy Survey, Charles M. Burt, Daniel J. Howes

BioResource and Agricultural Engineering

This survey was completed by ITRC on behalf of the California Energy Commission Public Interest Energy Research (PIER) Program. The purpose of the survey was to establish a benchmark for the present status of the pumping systems used by agricultural water districts in California and to determine the districts' needs. The needs discussed involve technical assistance, research grant and low-interest loan funding, and district-related policy issues. Thirty agricultural water districts were selected for the survey. These districts were selected based on energy use per acre of irrigated area, size, geographic location, and distribution infrastructure.


California Energy Commission: Estimated Energy Requirements Under Drought Conditions, Charles M. Burt, Daniel J. Howes Mar 2005

California Energy Commission: Estimated Energy Requirements Under Drought Conditions, Charles M. Burt, Daniel J. Howes

BioResource and Agricultural Engineering

This study is a continuation of a previous study conducted by ITRC for the CEC summarized in a report titled California Agricultural Water Energy Requirements (ITRC Report No. 03-006), which focused on determining a baseline energy requirement for agricultural sectors as well as analyzing potential future trends in the agricultural water community to predict future energy requirements. This study utilized the data and model developed in the previous analysis in order to quantify the impact of drought conditions on energy requirements of the agricultural water sector.


Cec Agricultural Peak Load Reduction Program - Water Agencies Final Report, Charles M. Burt, Daniel J. Howes Feb 2005

Cec Agricultural Peak Load Reduction Program - Water Agencies Final Report, Charles M. Burt, Daniel J. Howes

BioResource and Agricultural Engineering

During the winter of 2000-2001, California experienced a severe imbalance in electricity supply and demand that resulted in blackouts and brownouts. The state legislature initiated a number of emergency programs, one of which was Senate Bill 5x. The primary goal of SB 5x is to reduce peak period electric demand throughout California. The California Energy Commission (CEC), acting under authority of Section 5(b) of the legislation, developed the “Agricultural Peak Load Demand Program”. The program was funded in early June 2001, and the Irrigation Training and Research Center (ITRC) of California Polytechnic State University (Cal Poly), San Luis Obispo was …


California Energy Commission Agricultural Peak Load Reduction Program Case Study: Berrenda Mesa Wsd, Charles M. Burt, Daniel J. Howes Jan 2005

California Energy Commission Agricultural Peak Load Reduction Program Case Study: Berrenda Mesa Wsd, Charles M. Burt, Daniel J. Howes

BioResource and Agricultural Engineering

Berrenda Mesa Water Storage District (BMWSD) is located in the southern part of the San Joaquin Valley near Bakersfield. The district receives water from the State Water Project – California Aqueduct.


California Energy Commission Agricultural Peak Load Reduction Program Case Study: Orange Cove Id, Charles M. Burt, Daniel J. Howes Jan 2005

California Energy Commission Agricultural Peak Load Reduction Program Case Study: Orange Cove Id, Charles M. Burt, Daniel J. Howes

BioResource and Agricultural Engineering

The Orange Cove Irrigation District is located in Fresno and Tulare Counties, approximately 30 miles southeast of Fresno and 20 miles north of the City of Visalia. The Friant-Kern Canal is the district’s main source of water to supply 28,000 acres of farmland.


California Energy Commission Agricultural Peak Load Reduction Program Case Study: North Kern Wsd, Charles M. Burt, Daniel J. Howes Jan 2005

California Energy Commission Agricultural Peak Load Reduction Program Case Study: North Kern Wsd, Charles M. Burt, Daniel J. Howes

BioResource and Agricultural Engineering

The North Kern Water Storage District (NKWSD) is located just north of Bakersfield in Kern County and encompasses nearly 60,000 acres. The district receives water from the Kern River as well as groundwater pumping to supply its users.