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Archive for the ‘Environment’ Category

Renewables Are Driving Up Energy Prices–Wait, What?

Tuesday, March 31st, 2015
Electricity Prices in States Across the Renewable Generation Spectrum

DOUBLE BOTTOM LINE VENTURE CAPITAL (DBL INVESTORS)Executive SummaryHas increased reliance on renewable energy in the United States meant expensive electricity in the United States? This question has pervaded debates on renewables and fossil fuels, and this paper sheds light on this critical issue, including a look at the top and bottom 10 renewable states. Determination of […]

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Wind Vision: A New Era for Wind Power in the United States

Friday, March 27th, 2015
The Study Scenario results in cumulative savings, benefits, and an array of additional impacts by 2050.

UNITED STATES DEPARTMENT OF ENERGY

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Drilling Is Tragic For Marine Life

Thursday, March 26th, 2015
Top: Bottlenose dolphins. Middle: Right whales. Lower: The Deepwater Horizon oil spill containment effort.

ENVIRONMENT NORTH CAROLINA
Our coasts are home to stunning wildlife and incredible beaches, from the Jersey Shore to the Outer Banks to the Chesapeake Bay. Unfortunately offshore drilling is putting our natural heritage and marine life at risk. On ‘good’ days, drilling kills and injures wildlife and threatens human health and the economy. When they happen (which is all too frequently) major disasters such as the 2010 BP Deepwater Horizon blowout are catastrophic.

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U.S. Solar Market Insight Report

Monday, March 23rd, 2015
Figure 1.1 Annual U.S. Solar PV Installations, 2000-2014

SOLAR ENERGY INDUSTRIES ASSOCIATION
Solar energy posted another banner year in the U.S. in 2014. Photovoltaic (PV) installations reached 6,201 MWdc, up 30% over 2013 and more than 12 times the amount installed five years earlier. By the end of the year, a cumulative total of 18.3 GWdc of solar PV and another 2.2 GWac of concentrating solar power (CSP) were operating in the U.S. Over 600,000 homes and businesses now have on-site solar (nearly 200,000 of these installations were completed in 2014), and six states are home to more than 500 MWdc each of operating solar capacity.

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The 50 States of Solar

Friday, March 20th, 2015

NC CLEAN ENERGY TECHNOLOGY CENTER

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Benefits of Distributed Energy Storage

Thursday, March 12th, 2015
Figure ES-1: Applications and Benefits of Distributed Storage. Source: 2010 Energy Storage for the Electricity Grid: Benefits and Market Potential Assessment Guide, Sandia National Laboratories.

INTERSTATE RENEWABLE ENERGY COUNCIL (IREC)
In the last 10 years the percentage of electricity generated in the United States from renewable sources, has grown at an impressive rate, including significant amounts of generation located on the distribution system. Solar photovoltaic (PV) electricity systems in particular have evolved rapidly from a once-niche technology to one that is now widely used by schools, households, businesses and utilities across the country. Distributed renewable energy offers a wide range of environmental, societal and customer benefits, however their introduction in large numbers will require innovative and forward thinking regulatory policies in order to smoothly integrate them into the existing electrical system.

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Wind Energy Helps Build a More Reliable and Balanced Electricity Portfolio

Wednesday, February 25th, 2015
U.S. Wind Energy Share of Electricity Generation by State During 2013

AMERICAN WIND ENERGY ASSOCIATION
Some of the most common questions about wind energy focus on how wind can be reliably integrated into the power system. A key source of confusion is that, contrary to most people’s intuitive experience that winds are variable and electricity demand and supply is stable, the opposite is actually true at the grid operator scale. The following report answers 15 of the most frequently asked questions with lessons learned from grid operators’ experiences reliably integrating large amounts of wind. Concise answers to these questions are provided here in the executive summary, while citations and explanations of the supporting data and analysis for those answers can be found by following the hyperlinks to the relevant sections of the full report below.

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Fuel Cell Buses in U.S. Transit Fleets

Thursday, February 19th, 2015
Table ES-1. Summary of FCEB Performance Compared to DOE/FTA Targets

NATIONAL RENEWABLE ENERGY LABORATORY
This report, published annually, summarizes the progress of fuel cell electric bus (FCEB) development in the United States and discusses the achievements and challenges of introducing fuel cell propulsion in transit.

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EPA’s Clean Power Plan and Reliability

Monday, February 16th, 2015
Figure 1 Application of BSER for 2030 CO2 Emissions Rate Standards by State

THE BRATTLE GROUP
The United States (“U.S.”) power system is undergoing a fundamental transformation, largely driven by advances in technology and low natural gas prices. This transformation is putting significant pressure on existing coal-fired and even nuclear generation, increasingly leads to renewable energy resources being cost-competitive with fossil-fired generation, and results in myriad choices for consumers that promise to permanently alter the role of demand in the power system. As a consequence, the fuel mix and associated emissions of the U.S. power system are changing rapidly, as are the actions taken by system operators to manage the quickly evolving electric system.

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Balancing Airport Stormwater and Bird Hazard Management

Friday, February 6th, 2015
Likelihood of striking birds

Airports have historically incorporated BMPs to comply with these requirements, such as stormwater detention ponds and vegetated swales, many of which have exposed open water, vegetation, and other design characteristics that attract wildlife. Research shows that 10 of the 15 bird species most hazardous to aircraft are highly attracted to these types of water features (DeVault et al. 2011)…To address this hazardous wildlife concern, the FAA has established guidelines for airport stormwater management to provide for aircraft safety.

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