U.S. Department of Energy Energy Efficiency and Renewable Energy

Technical Report

Research reports, journal articles, and other technical documents.

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Economic Impacts from the Boulder County, Colorado, ClimateSmart Loan Program: Using Property-Assessed Clean Energy (PACE) Financing

This report examines the economic impacts (including job creation) from the Boulder County, Colorado, ClimateSmart Loan Program (CSLP), an example of Property-Assessed Clean Energy (PACE) financing. The CSLP was the first test of PACE financing on a multi-jurisdictional level (involving individual cities as well as the county government). It was also the first PACE program to comprehensively address energy efficiency measures and renewable energy, and it was the first funded by a public offering of both taxable and tax-exempt bonds.

Location:
Boulder, Colorado
United States

Implementing Solar PV Projects on Historic Buildings and in Historic Districts

Many municipalities, particularly in older communities of the United States, have a large amount of historic buildings and districts. In addition to preserving these historic assets, many municipalities have goals or legislative requirements to procure a certain amount of energy from renewable sources and to become more efficient in their energy use; often, these requirements do not exempt historic buildings.

Location:
Denver, Colorado
United States

Solar Ready: An Overview of Implementation Practices

This report explores three mechanisms for encouraging solar ready building design and construction: solar ready legislation, certification programs for solar ready design and construction, and stakeholder education. These methods are not mutually exclusive, and all, if implemented well, could contribute to more solar ready construction.

A Program Plan for Photovoltaic Buildings in Florida

This document outlines plans developed by the Florida Solar Energy Center (FSEC) to support photovoltaic buildings application in the state through the first decade of the 21st century. The emphasis of this program is on identifying and increasing the value of rooftop systems to targeted end users through the use of application experiments.

Location:
Florida
United States

Hazard Analyses of Glint and Glare from Concentrating Solar Power Plants

Because of the increased interest in deploying concentrating solar power systems, glint and glare from concentrating solar collectors and receivers is receiving increased attention as a potential hazard or distraction for motorists, pilots, and pedestrians. This paper provides a summary of previous analyses to evaluate glint and glare from concentrating solar power plants. In addition, a review of the physiology, optics, and damage mechanisms associated with ocular radiation is provided.

Side-by-Side Testing of Water Heating Systems: Results from the 2009-2010 Evaluation

The performance of seven differing types of residential water heating systems was compared in a side-by-side test configuration over a full year period. The Hot Water System Laboratory (HWS Lab) test facility at the Florida Solar Energy Center (FSEC) in Cocoa, FL was used for the tests. Simultaneous hot water draws occur on a daily basis for the following hot water heating systems at the HWS facility with the evaluation of two draw profiles:

Location:
Florida
United States

Deed Restrictions for Solar

This report summarizes the efforts made to address Task 3 - Examples of Residential Deed Restrictions Allowing Solar. The focus of the study is on communities surrounding Houston, Texas.

Recommendations for Maximizing Battery Life in Photovoltaic Systems: A Review of Lessons Learned

Notes, observations and recommendations about the use of batteries in small stand-alone photovoltaic system drawn from over a decade of research at FSEC. The most critical findings were battery life and the importance of an adequate PV array-to-load ratio.

Assessment of Wind/Solar Co-Located Generation in Texas

This study evaluates the opportunity to load co-located wind and solar generation capacity onto a constrained transmission system while engendering only minimal losses. It also quantifies the economic and energy opportunities and costs associated with pursuing this strategy in two Texas locations one in west Texas and the other in south Texas.

Location:
Texas
United States

National Solar Jobs Census 2010: A Review of the U.S. Solar Workforce

The National Solar Jobs Census 2010 is the first attempt to quantify the current employment and projected growth of the United States solar industry and is based on a statistically valid sampling of employers throughout the nation. The rapid increase of solar energy generation has warranted a credible study that examines the size and scope of the industry that until now, has been lacking.

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