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


A Homebuilders Guide to Going Solar

This guide assists homebuilders who are contemplating solar-ready or solar homes. It helps them decide whether to install solar energy systems on homes or to make homes solar ready, and helps quantify the benefits for home buyers.

Utility-Interconnected Photovoltaic Systems: Evaluating the Rationale for the Utility-Accessible External Disconnect Switch

This report examines the utility-accessible external disconnect switch debate in the context of utility-interactive PV systems for residential and small commercial PV installations. It focuses on safety, reliability, and cost implications of requiring an external disconnect switch.

Solar Ready Buildings Planning Guide

This document should be used as a guide to influence the design of new solar ready buildings. It outlines the scope of consideration that will minimize solar installation costs and maximize solar production potential when solar technologies are applied.

The guide is divided into two sections. A checklist provides quick reference and outlines the areas that need to be considered. The checklist references a second, descriptive section that provides detail and background information to the user.

Power Purchase Agreement Checklist for State and Local Governments

This fact sheet addresses the financial, logistical, and legal questions relevant to implementing PPAs for PV installations.

Field Inspection Guidelines for PV Systems

This 2010 update to the 2006 edition consolidates the most import aspects of a field inspection into a simple process that can be performed in as little as 15 minutes. Explanations and illustrative pictures are included to instruct the inspector on the specific details of each step.

U.S. Solar Industry Year in Review 2009

Despite the Great Recession of 2009, the U.S. solar energy industry grew— both in new installations and employment. Total U.S. solar electric capacity from photovoltaic (PV) and concentrating solar power (CSP) technologies climbed past 2,000 MW, enough to serve more than 350,000 homes. Total U.S. solar thermal capacity approached 24,000 MWth.

Request for Qualifications for Sacramento Landfill

This Request for Qualifications (RFQ) solicits experienced companies to design, permit, finance, build, and operate a solar photovoltaic farm (SPV Farm) on the City of Sacramento’s 28th Street Landfill. Respondents to this RFQ must demonstrate experience and capacity to design, permit, finance, build, and operate a SPV Farm that generates electricity that can be sold for electrical use through a power-purchase agreement. Submittals must be prepared and delivered in accordance with the requirements set forth in this document.

Sacramento, California
United States

San Francisco Mayor's Solar Founders' Circle Workshop for Assessors

These slides were developed to train site assessors for the City and County of San Francisco. The presentation includes information on how to perform a site assessment for PV and SWH technologies, how to size a system, roof and electrical safety, and tools to use on a site assessment.

San Francisco, California
United States

Revised RFP Appendix E Knoxville Transit Station Array

This request for proposal includes technical and general bid requirements.

Knoxville, Tennessee
United States

Geographic Variation in Potential of Rooftop Residential Photovoltaic Electric Power Production in the United States

This paper describes a geographic evaluation of Zero Energy Home (ZEH) potential, specifically an assessment of residential roof-top solar electric photovoltaic (PV) performance around the United States and how energy produced would match up with very-efficient and super-efficient home designs. We performed annual simulations for 236 TMY2 data locations throughout the United States on two highly-efficient one-story 3-bedroom homes with a generic grid-tied solar electric 2kW PV system.


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