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Distributed Wind Energy | Earth Wise

March 17, 2023 By EarthWise 1 Comment

When we think about wind power, we are usually talking about increasingly giant windfarms – either on land or offshore – that produce power on a utility scale.  But there is also distributed wind energy, which refers to wind technologies in locations that directly support individuals, communities, and businesses.  

Distributed wind can be so-called behind-the-meter applications that directly offset retail electricity usage much as rooftop solar installations do.  It can also be front-of-the-meter applications where the wind turbines are connected to the electricity distribution system and supplies energy on a community scale.  Distributed wind installations can range from a several-hundred-watt little turbine that powers telecommunications equipment to a 10-megawatt community-scale energy facility. As of 2020, there were nearly 90,000 distributed wind turbines in the U.S. with a total capacity of about 1 GW.

A study by the National Renewable Energy Laboratory has estimated the potential for distributed wind energy in the U.S.   According to the new analysis, the country has the ability to profitably provide nearly 1,400 GW of distributed wind energy capacity. 

Entire regions of the country have abundant potential. The regions with the best economic prospects have a combination of high-quality wind, relatively high electricity rates, and good siting availability.  Overall, the Midwest and Heartland regions had the highest potential especially within agricultural land.

Realizing this outcome for distributed wind will require improved financing and performance to lower costs, relaxation of siting requirement to open up more land for wind development, and continued investment tax credits and the use of net metering.

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U.S. has potential for 1,400 GW distributed wind energy, NREL finds

Photo, posted January 3, 2009, courtesy of skyseeker via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Upgrading The U.S. Power Grid | Earth Wise

February 15, 2022 By EarthWise Leave a Comment

Upgrading the power grid in the United States

The Department of Energy has launched the Building a Better Grid Initiative to accelerate the development of new power transmission lines.  The initiative aims to upgrade the nation’s grid, connect more Americans to clean electricity, and reliably move clean electricity to where it is needed most. The initiative is a part of the Bipartisan Infrastructure bill that was signed into law in November.

Under the initiative, DOE will identify critical national transmission needs and support the buildout of long-distance, high-voltage transmission facilities as well as support transmission planning, financing mechanisms, transmission-related research and development, and efforts on energy justice.

DOE will deploy more than $20 billion in federal financing that includes more than $10 billion in grants to states, Tribes, and utilities to enhance grid resilience and prevent power outages.  It will also coordinate with other agencies to streamline permitting for transmission infrastructure. 

Seventy percent of the US grid’s transmission lines and power transformers are over 25 years old.  There is also insufficient transmission capacity, especially for transmission that facilitates transfer of power across regions.  The current grid is vulnerable to harsh weather and needs improved reliability.

Providing more transmission capacity in areas where it doesn’t exist today is essential for the integration of more large-scale renewable generation sources into the grid.  The national goal of 100% clean electricity by 2035 is not just about decarbonizing the generation sources.  A substantial upgrade to the transmission infrastructure is necessary and the Building a Better Grid Initiative is a major step in the right direction.

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The big upgrade to the US power grid is kicking off

Photo, posted February 2, 2020, courtesy of Tony Webster via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Clean Energy In Rochester | Earth Wise

October 26, 2021 By EarthWise Leave a Comment

New York’s largest community choice clean energy program has been activated in the City of Rochester.   The program, offered by Rochester Community Power, offers 57,000 residences and small businesses access to clean energy from hydropower and wind sources.  It requires customers to opt out rather than enroll in order to provide clean energy to the greatest number of people.

Rochester Community Power is the city’s local community choice aggregation (CCA) program that leverages the collective buying power of participating residents to purchase renewable electricity and negotiate better terms for energy supply contracts.

The program will supply customers with more than 300 million kWh of renewable energy each year, which will avoid the emission of about 250,000 tons of carbon dioxide.  Rochester plans to add a community solar program next year which will provide additional clean energy opportunities, including offering guaranteed savings to thousands of participants in its Home Energy Assistance Program.

The project will be managed by Joule Assets, which is a provider of energy reduction market analysis, tools, and financing. Joule Assets, as program administrator for the Rochester program, managed the competitive bidding process that secured a fixed rate for electricity for the next two years, shielding participating residences and businesses from volatile market prices.

Community choice aggregation programs are local, not-for-profit public agencies that are an alternative to investor-owned utilities.  They give municipalities the ability to make decisions about the procurement, sourcing, and rates for energy for its residents.

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New York activates its largest opt-out 100% renewable energy program

Photo, posted June 25, 2011, courtesy of Paulo Valdivieso via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

Alaska’s Threatened Communities

January 27, 2017 By EarthWise

https://earthwiseradio.org/wp-content/uploads/2017/01/EW-01-27-17-Alaskas-Threatened-Communities.mp3

Because of its Arctic location, Alaska is warming about twice as fast as the rest of the United States.   The past year has been the warmest on record.  The forces of erosion and increasingly powerful storms have resulted in the imminent risk of destruction for at least 31 Alaskan towns and cities.   Many are predicted to become uninhabitable over the next few decades.  Residents of these places are likely to join the growing flow of climate refugees around the globe.

[Read more…] about Alaska’s Threatened Communities

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