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How a ‘Solar Battery’ Could Bring Electricity to Rural Areas

           

New solar flow battery with a 14.1 percent efficiency. Photo: David Tenenbaum, UW-Madison

CLICK HERE - STUDY - Chem - 14.1% Efficient Monolithically Integrated Solar Flow Battery

theverge.com - by Angela Chen - September 27, 2018

Solar energy is becoming more and more popular as prices drop, yet a home powered by the Sun isn’t free from the grid because solar panels don’t store energy for later. Now, researchers have refined a device that can both harvest and store solar energy, and they hope it will one day bring electricity to rural and underdeveloped areas.

The problem of energy storage has led to many creative solutions, like giant batteries. For a paper published today in the journal Chem, scientists trying to improve the solar cells themselves developed an integrated battery that works in three different ways.

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Solar on Every Home? NREL Outlines Pathways to Ultra Low-Cost Residential Solar

           

Figure 1. Average estimated annual residential rooftop PV market capacity potential from 2017 – 2030 (Source: NREL)

sepapower.org - by Jeffrey Cook - August 16, 2018

If the solar industry reaches this Department of Energy (DOE) target, it could dramatically alter the energy market and present a future where residential PV becomes a standard, cost-effective home installation, versus a luxury or long-term investment. A recent NREL report — Cost-Reduction Roadmap for Residential Solar Photovoltaics (PV), 2017-2030 — models a set of pathways that the industry could follow to realize this future. The analysis focuses on two key markets for residential PV cost reduction: installing PV at time of roof replacement and installing PV at time of new construction. These two market segments were selected because each offers significant cost reduction opportunities while representing a 30 gigawatt (GW) annual market nationwide (see Figure 1).

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Transformation and Innovation in the Wake of Devastation: An Economic and Disaster Recovery Plan for Puerto Rico

reliefweb.int - p3.pr.gov - August 8, 2018

. . . The Government of Puerto Rico proposes a transformational plan that will help the Island recover from the hurricanes, become more resilient to future disasters, and turn around the economic decline that Puerto Rico has been struggling with for more than a decade. To achieve this ambitious vision, the Government of Puerto Rico will seek out $139 billion in funding—from the federal government, foundations and other nonprofits, and Puerto Rico’s own budget—to invest in a robust and resilient future.

This economic and disaster recovery plan lays out the Government of Puerto Rico’s strategic vision and goals and provides a detailed framework for achieving them.

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San Antonio, Texas - CPS Energy Wants Your Input On Their Flexible Path Plan

kens5.com - by Jeremy Baker - June 13, 2018

CPS Energy is holding a public input session Wednesday evening about what they are calling their Flexible Path program, and a look into the future of energy in the Alamo City.

"We currently are going to put a plan together with the involvement of the community, to help reduce the amount of fossil fuels that we have in our generation mix and move more toward renewable energy and more innovative technology," CPS Energy spokesperson John Moreno said.

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CLICK HERE - CPS - Our Flexible Path

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How Storms, Missteps and an Ailing Grid Left Puerto Rico in the Dark

           

A transmission tower and downed lines in the mountainous terrain of eastern Puerto Rico. Workers from the island and throughout the United States have worked to restore power after Hurricanes Irma and Maria last September.

It took months to restore electricity in Puerto Rico after hurricanes dealt a one-two punch. Many homes are still without power, and the system’s future is far from certain.

nytimes.com - by JAMES GLANZ and FRANCES ROBLES - Photographs by TODD HEISLER - May 6, 2018

 . . . After Maria and the hurricane that preceded it, called Irma, Puerto Rico all but slipped from the modern era . . .

 . . . an examination of the power grid’s reconstruction — based on a review of hundreds of documents and interviews with dozens of public officials, utility experts and citizens across the island — shows how a series of decisions by federal and Puerto Rican authorities together sent the effort reeling on a course that would take months to correct. The human and economic damage wrought by all that time without power may be irreparable.

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Tired of Waiting for Electricity in Puerto Rico, Man Builds His Own Solar Power System

           

Frank says his experience with electrical work helped him tackle the solar panel installation.

cnn.com - by Paul P. Murphy - April 19, 2018

Another day, another blackout in Puerto Rico; Wednesday's blackout was the latest to hit the island still recovering from Hurricane Maria. But one man beat the power outages and his troublesome gas generator by switching to solar power.

"As I'm typing this, we are in the middle of a blackout and my fridge, lights and fans are running worry free," a man named Frank told CNN.

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Puerto Rico Hit by Island-Wide Power Blackout

           

A general view shows buildings after Puerto Rico Electric Power Authority (PREPA), the island's power company, said Wednesday that a major power line failure in southern Puerto Rico cut electricity to almost all customers, in San Juan, Puerto Rico April 18, 2018. REUTERS/Gabriel Lopez Albarran

cnn.com - by Ray Sanchez and Leyla Santiago - April 18, 2018

With most of Puerto Rico in the dark Wednesday night, Gov. Ricardo Rossello said in a tweet that he has suggested Puerto Rico's Electric Power Authority cancel its contract with a subcontractor that caused an island-wide power outage.

An excavator operated by D. Grimm, a subcontractor for Cobra Acquisitions, apparently caused the blackout, which originated at a major transmission line running between Salinas and Guayama in the southeast, according to the authority . . .

 . . . As of 8 p.m., only 334,000 customers in the US commonwealth had electricity again. Power was to be restored to customers who had electricity before the latest outage within 24 to 36 hours, the authority said.

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Wind and Solar Power Could Meet Four-Fifths of US Electricity Demand, Study Finds

           

Solar panels cover the roof of UCI's Student Center Parking Structure. A new study co-authored by Steven Davis, associate professor of Earth system science, shows that the U.S. can meet 80 percent of its electricity demand with renewable solar and wind resources.  Credit: Steve Zylius / UCI

CLICK HERE - STUDY - Geophysical constraints on the reliability of solar and wind power in the United States

Investment in greater storage, transmission capabilities needed

sciencedaily.com - University of California - Irvine - February 27, 2018

Summary: The United States could reliably meet about 80 percent of its electricity demand with solar and wind power generation, according to scientists.

The United States could reliably meet about 80 percent of its electricity demand with solar and wind power generation, according to scientists at the University of California, Irvine; the California Institute of Technology; and the Carnegie Institution for Science.

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Explosion, Fire at Power Plant Cause Blackout in Northern Puerto Rico

           

cbsnews.com - February 11, 2018

An explosion and fire at an electric substation threw much of northern Puerto Rico into darkness late Sunday in a setback for the U.S. territory's efforts to fully restore power more than five months after Hurricane Maria started the longest blackout in U.S. history. The island's Electric Power Authority said several municipalities were without power, including parts of the capital, San Juan, but they were optimistic it could be restored within a day as they worked to repair a substation that controls voltage.

The blast illustrated the challenges of restoring a power grid that was already crumbling before it was devastated by the Category 4 hurricane.

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ALSO SEE RELATED ARTICLE HERE - Explosion cuts power in Puerto Rico

 

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