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

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Crunching Solar Numbers: The Big Apple Uses Big Data

The City University of New York (CUNY) and its partners developed an analytics-based approach that makes it easier to spot key solar market indicators such as new permit applications and photovoltaic (PV) installations as they happen in the city. Through the Energy Department's SunShot Rooftop Solar Challenge, the CUNY-led team is launching an advanced analytics portal that helps community leaders look at solar data in a new light.

Location:
Sustainable CUNY
255 Greenwich Street, New York City, NY 10007
United States

Overcoming Solar Roadblocks: There's a Map for That

Optony, through the Southwest Solar Transformation Initiative (SSTI), successfully launched their Solar Roadmap with support from the U.S. Department of Energy's Rooftop Solar Challenge. This customizable, interactive web platform, which shows the real-time status of the solar market in more than 70 participating jurisdictions, makes it easier and more cost-effective for residents to obtain clean, locally produced power with solar energy installations. 

Location:
Optony
2855 Kifer Rd, Santa Clara, CA 95051
United States

Analysis of Web Based Solar Photovoltaic Mapping Tools

A PV mapping tool visually represents a specific site and calculates PV system size and projected electricity production. This report identifies the commercially available solar mapping tools and thoroughly summarizes the source data type and resolution, the visualization software program being used, user inputs, calculation methodology and algorithms, map outputs, and development costs for each map.

Evaluation of Glint and Glare (Version 6)

With growing numbers of concentrating solar power systems being designed and developed, 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 analytical methods to evaluate the irradiance originating from specularly and diffusely reflecting sources as a function of distance and characteristics of the source.

Connecting with Clean Tech CEO's

Findings of CEO Roundtable discussions about how to drive economic development and job growth of the clean tech sector within the Sacramento Region.

Location:
Sacramento, California
United States

Credentialing: Whats in a Name? A Lot

This article discusses the various types of credentials for solar installers, and clears up misunderstandings of the terms certification, certificate, accreditation, and licensure.

Have a Nice Day (NYT op-ed column)

Applied Materials is one of the most important U.S. companies you’ve probably never heard of. It makes the machines that make the microchips that go inside your computer. The chip business, though, is volatile, so in 2004 Mike Splinter, Applied Materials’s C.E.O., decided to add a new business line to take advantage of the company’s nanotechnology capabilities — making the machines that make solar panels.

PV vs. Solar Water Heating - Simple Solar Payback

Solar energy systems hang their hats on payback. Financial payback is as tangible as money in your bank account, while other types of payback—like environmental externalities—are not usually calculated in dollars. There’s no doubt that photovoltaic (PV) and solar hot water (SHW) systems will pay you back. Maybe not as quickly as you’d like, but all systems will significantly offset their cost over their lifetimes. Here we’ll try to answer: Which system will give the quickest return on investment (ROI)?

Massachusetts: The Next Hot Solar Market?

Following in the footsteps of states like New Jersey, Pennsylvania, and Maryland, Massachusetts is about to implement a Renewable Portfolio Standard (RPS) solar requirement. Like other solar RPS states, Massachusetts will spark solar demand by creating a market for Solar Renewable Energy Credits (SRECs), each of which represents one megawatt-hour of solar electricity generation.

Green Collar Jobs in the U.S. and Colorado, Economic Drivers for the 21st Century

This report includes industry data through 2007 to forecast job growth in the renewable energy and energy efficiency industries throughout the United States using a case study from experiences in Colorado.

Location:
Denver, Colorado
United States

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