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Hydropower Questioned: Better Alternatives Now Exist

Posted by Green Builder Staff

Jun 11, 2019 10:19:26 AM

Note from GB Editor: An interesting criticism of hydropower, in comparison to other renewable sources of power. It's important to keep in context, however, that the worst contributors to Climate Change are places such as Poland, where massive amounts of coal are still being burned. Any renewable source, including hydropower, is a welcome alternative.-MP

Dr Peter Harrop, Chairman at IDTechEx, has recently written the below article questioning hydropower and its alternatives. 

Hydropower takes years to install and it can drown vegetation creating years of methane, a potent greenhouse gas. Dams have burst in three countries recently. Fortunately many better options are available or emerging. The strong trend now is to making electricity where you need it, from your solar watch to your village microgrid. Both are evidence of another trend which is the ability to move your zero-emission electricity generation. 

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Britain sets record of 7 days without coal power as renewables surge

Posted by Green Builder Staff

May 20, 2019 9:42:48 AM

Great Britain's power grid used no coal for seven days.

The seven days without burning coal is showing how renewables can take on more of the energy required by a major economy.

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New Analysis Finds a Strong Economic Case for ResilientSolar and Battery Storage in Five Southeastern Cities

Posted by Green Builder Staff

Apr 29, 2019 4:21:12 PM

Clean Energy Group’s new report series explores the obstacles and opportunities for deploying solar+storage at critical community facilities throughout the Southeast.

Solar and battery storage technologies that provide clean, reliable backup power are cost-effective for many critical community facilities in the Southeast, according to Clean Energy Group’s report series, “Resilient Southeast: Exploring Opportunities for Solar+Storage in Five Southeastern Cities,” released today in partnership with regional nonprofit partners details a first-of-its-kind economic analysis evaluation for solar PV and battery storage (solar+storage) in the region. When the economic value of resilience is accounted for, solar+storage was proven to be a positive investment for all locations and building types examined. 

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The Cities and States Using the Most and Least Residential Electricity

Posted by Green Builder Staff

Apr 25, 2019 11:29:03 AM

New Sense data shows Burlington, VT, Madison, WI, and California cities use the least electricity; homes in the Southwest use more and pay more for electricity.

Sense, the innovator in home energy savings, delved into electricity data for more than 4000 real homes across the U.S. to find out who is leading the charge in saving energyand who is lagging. The analysis drew on real-time and historical electricity usage data for the homes over the course of 12 months.

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New Study Confirms Benefits of Electrifying CA Buildings

Posted by Pierre Delforge, Guest Columnist

Apr 17, 2019 3:42:50 PM

Replacing natural gas (methane) with clean electricity, particularly for heating and hot water production, will slash greenhouse gas emissions from California's single-family homes by up to 90 percent within the next three decades and save consumers money in the process, according to a new analysis released today. The study confirms electrification is a vital and cost-effective tool in reducing climate and toxic air pollution from gas combustion in buildings, which account for a quarter of the state total climate emissions.

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Battery Storage Now Eligible for Energy Efficiency Funding: Massachusetts Creates Nationwide Precedent to Reduce Storage Costs

Posted by Green Builder Staff

Apr 8, 2019 8:10:41 AM

Clean Energy Group report explains how Massachusetts will use energy efficiency funds to support battery storage and reduce costly peak demand, makes recommendations for other states to implement similar policies.

Batteries are now eligible for state energy efficiency incentives in Massachusetts, and this first-in-the-nation policy should be considered by other states, according to a new report published today by Clean Energy Group (CEG).

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DOE Catalyzes Clean Energy Innovation in All 50 States

Posted by Madhur Boloor, NRDC

Apr 3, 2019 9:37:28 AM

The  DOE has made clean energy research and development investments in every U.S. state over the past two years, sending more than $1.8 billion to the national laboratories and to hundreds of private-sector and academic researchers last year alone. Unfortunately, the Trump administration recently unveiled a proposal to slash the Energy Department’s budget next year. 

The U.S. Department of Energy (DOE) has made clean energy research and development (R&D) investments in every U.S. state over the past two years, sending more than $1.8 billion to the national laboratories and to hundreds of private-sector and academic researchers last year alone. Unfortunately, the Trump administration recently unveiled a proposal to slash the Energy Department’s budget next year. If enacted, this would have devastating impacts on American innovation.

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'Coal is on the way out': study finds fossil fuel now pricier than solar or wind

Posted by Green Builder Staff

Mar 27, 2019 11:40:52 AM

New study finds that approximately 75% of coal production is more expensive than renewables.

The Guardian reports that a study by Energy Innovation outlines the path to the end result of almost all coal production becoming more expensive than wind and solar.

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Europe's District Heating Gains Traction

Posted by Ute de Groot, Guest Columnist

Mar 9, 2019 2:48:09 PM

District heating has proven to be a convenient and sustainable way to recover energy and reducing greenhouse gas emissions.

The global temperature is predicted to rise 1.5 °C above the pre-industrial level until 2050. This might sound small but will have an extreme impact on our planet. Latest studies state that 46% of greenhouse gas emission in Europe are from generating heat for homes and businesses. To lower this impact, an old concept experiences a comeback : district heating.

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Vivint Solar Aims to Bring Solar Installation to Retail Consumer Market on a Large Scale

Posted by Brandy Lee, Guest Columnist

Mar 1, 2019 9:23:22 AM

The company is launching an educational initiative to make sure panels are installed properly, and distributing product through Home Depot.

For homeowners considering going solar, evaluating installer options can be a daunting task as the industry works to define quality benchmarks and regulations. To help advance consumer education and set the gold standard, Vivint Solar, Inc. (NYSE: VSLR), a leading full-service residential solar provider, released a behind-the-scenes look at its rigorous 86-point installation process, giving would-be buyers a complete understanding of what to look for when selecting an installer and pitfalls to avoid. 

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