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Sandia National Laboratories electrical engineers Rachid Darbali-Zamora, front, and Lee Raskin test out an algorithm on a hardware-in-the-loop set-up at the Distributed Energy Technologies Laboratory. Rachid and Lee are part of a team working with NASA to design a reliable and resilient microgrid to power a future base camp on the moon.
Lean more at bit.ly/3lj3Gx7
Photo by Rebecca Gustaf
Robyn Williams: There's a massive revolution underway. Steve Chu, Nobel prize-winner and US Energy Secretary, noted this a couple of weeks ago, he said, 'The price of photovoltaics dropped 80% in one year, and by 40% in another year.' Has the world changed and we haven't noticed?
Have a listen
www.abc.net.au/radionational/programs/scienceshow/renewab...
Current waste management system at Doug Jernigan Farms, a three-generation family farm that, a few months earlier, refinanced the facility to add a first of it’s kind, in the nation, swine-turkey waste to renewable energy system (not seen), with the assistance of the U.S. Department of Agriculture (USDA) Rural Development (RD) Renewable Energy for America Program (REAP) loan guarantee in Mt. Olive, NC, Tuesday, Nov. 10, 2015.
Typical systems separate methane gas for energy, solids are disposed or repurposed and liquids are cleaned. This new system addition takes the watery manure effluent to a new and as Mr. Jernigan say’s “prolific profit” producing state through savings and sales. “There is an opportunity for the farm to make money doing a good thing for the environment.”
The system handles about 75,000 gallons of swine and turkey waste effluent each day. Piped to a series of cement holding tanks, mechanical equipment, separate solids, and liquids. The current treatment facility biologically removes ammonia nitrogen with bacteria adapted to high-strength wastewater; removes phosphorus via alkali precipitation; and reduction emissions of odorant compounds, ammonia, pathogens, and heavy metals to the environment. The water is cleaned for reuse in the swine and turkey operations that wash more manure into the cycle of the system.
The new methane reactors (under the framework of what will be a C-span structure) use an endothermic gasifier that heats the waste solids to very high temperatures to the point that they release gases. The clean methane gas will fuel an engine that turns a 300KW electrical generator producing electricity; ethanol will help fuel farm equipment, and resulting potash solids can be used or sold for agricultural fertilizer. Excess amounts of electricity, that the farms cannot use, will be sold and transmitted to the local energy company, for use by residents and businesses; renewable energy credits (REC) are sold to a different energy company.
With a system that eliminates all ammonia and other odor creating compounds, Mr. Jernigan says, “What I’m doing is good for the environment; it’s good for the farm in the respect that you’re getting rid of waste that you’re creating in a high-tech way. There’s no footprint. It’s just gone.”
Doug and Aileen are lifelong farmers and they have three grown children that work in the farm operation. Their farm currently operates a 21,600 finishing farm operation, an eight house turkey operation, a 250 head cow /calf operation. The farm also consists of 2,400 acres of row crop production (cotton, corn, soybeans and wheat).
Doug Jernigan’s grandfather started farming here in 1941, and he continues the tradition with his business that began in 1974.
In talking about the greater potential of this technology and what others should consider, Jernigan says, “I see it as a win-win thing.”
For more information about USDA, RD and REAP please see: www.usda.gov, www.rd.usda.gov, and www.rd.usda.gov/programs-services/rural-energy-america-pr...
USDA Photo by Lance Cheung
*The treatment system (without the methane reactor) was documented to remove, on a mass basis, approximately 99% of total suspended solids, 98% of COD, 99% of TKN, 100% ammonia, 100% odor compounds, 92% phosphorus, 95% copper, and 97% zinc from the flushed manure. Fecal coliform reductions were measured to be 99.98%
Renewable Energy in Idaho
If you care about clean energy, the BLM is a major leader in making solar, wind, and geothermal energy possible.
Since 2009, BLM has approved 57 renewable energy projects (34 solar, 11 wind, and 12 geothermal) with potential for over 15,000 MWs, or enough to power more than 5 million homes and create some 26,000 jobs. There are currently over 17,000 MWs of renewable energy projects permitted on public land, including 2,379 MWs of renewable energy projects approved prior to 2009.
BLM is focused on approving renewable energy development on public lands in accelerated, but environmentally-responsible manner; ensuring protection of signature landscapes, wildlife habitats, and cultural resources.
For the years 2016 and 2017, the BLM will process 7 renewable energy projects (5 solar and 2 geothermal) representing 1337 MW, or enough electricity to power over 400,000 homes.
Photo by BLM Idaho
The Sandia “smart outlet” autonomously measures, monitors and controls electrical loads with no connection to a centralized computer or system. The goal of the smart outlet and similar innovations is to make the power grid more distributed and intelligent, capable of reconfiguring itself as conditions change.
Read more at share.sandia.gov/news/resources/news_releases/smart_outlet/
Photo by Randy Montoya
Guenther's home has it all: solar panels for hot water and heating, photovoltaic and 3 windmills for electricity production
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Under construction, the first methane reactor (right) in the nation, that uses a endothermic gasifier, to extract methane, to fuel for these engine powered electric generators (gensets, left) being installed at the Doug Jernigan Farms, a three-generation family farm and employer who, a few months earlier, refinanced a first of it’s kind in the nation, swine-turkey waste to renewable energy system (RES), with the assistance of the U.S. Department of Agriculture (USDA) Rural Development (RD) Renewable Energy for America Program (REAP) loan guarantee in Mt. Olive, NC, Tuesday, Nov. 10, 2015.
Typical systems separate methane gas for energy, solids are disposed or repurposed and liquids are cleaned. This new system addition takes the watery manure effluent to a new and as Mr. Jernigan say’s “prolific profit” producing state through savings and sales. “There is an opportunity for the farm to make money doing a good thing for the environment.”
The system handles about 75,000 gallons of swine and turkey waste effluent each day. Piped to a series of tanks, and mechanical equipment that separates solids, and liquids. The current treatment facility biologically removes ammonia nitrogen with bacteria adapted to high-strength wastewater; removes phosphorus via alkali precipitation; and reduction emissions of odorant compounds, ammonia, pathogens, and heavy metals to the environment. The water is cleaned for reuse in the swine and turkey operations that wash more manure into the cycle of the system.
The new methane reactors (under the framework of what will be a C-span structure) use an endothermic gasifier that heats the waste solids to very high temperatures to the point that they release gases. The clean methane gas will fuel an engine that turns a 300KW electrical generator producing electricity; ethanol will help fuel farm equipment, and resulting potash solids can be used or sold for agricultural fertilizer. Excess amounts of electricity, that the farms cannot use, will be sold and transmitted to the local energy company, for use by residents and businesses; renewable energy credits (REC) are sold to a different energy company.
With a system that eliminates all ammonia and other odor creating compounds, Mr. Jernigan says, “What I’m doing is good for the environment; it’s good for the farm in the respect that you’re getting rid of waste that you’re creating in a high-tech way. There’s no footprint. It’s just gone.”
Doug and Aileen are lifelong farmers and they have three grown children that work in the farm operation. Their farm currently operates a 21,600 finishing farm operation, an eight house turkey operation, a 250 head cow /calf operation. The farm also consists of 2,400 acres of row crop production (cotton, corn, soybeans and wheat).
Doug Jernigan’s grandfather started farming here in 1941, and he continues the tradition with his business that began in 1974.
In talking about the greater potential of this technology and what others should consider, Jernigan says, “I see it as a win-win thing.”
For more information about USDA, RD and REAP please see: www.usda.gov, www.rd.usda.gov, and www.rd.usda.gov/programs-services/rural-energy-america-pr...
USDA Photo by Lance Cheung
*The treatment system (without the methane reactor) was documented to remove, on a mass basis, approximately 99% of total suspended solids, 98% of COD, 99% of TKN, 100% ammonia, 100% odor compounds, 92% phosphorus, 95% copper, and 97% zinc from the flushed manure. Fecal coliform reductions were measured to be 99.98%
Captured at "Raheenleagh Wind Farm" in Co. Wicklow, Ireland. Photo taken by Daniel Walsh, owner of Smart Home Perfected. We now release this freely under Creative Commons Licensing. Please feel free to use it commercially or otherwise with attribution in the form of a link to www.smarthomeperfected.com/best-energy-monitors/
Renewable Energy Leadership
by Jeffrey Clancy
This photograph depicts ASU's ongoing excellence in energy technology, innovation, and leadership. I am proud that my school has undertaken so many sustainable projects, including PV arrays atop all parking structures. The university stands as a beacon and an example for other universities, as well as surrounding cities, to admire and learn from.
California Wind Energy
If you care about clean energy, the BLM is a major leader in making solar, wind, and geothermal energy possible.
Since 2009, BLM has approved 57 renewable energy projects (34 solar, 11 wind, and 12 geothermal) with potential for over 15,000 MWs, or enough to power more than 5 million homes and create some 26,000 jobs. There are currently over 17,000 MWs of renewable energy projects permitted on public land, including 2,379 MWs of renewable energy projects approved prior to 2009.
BLM is focused on approving renewable energy development on public lands in accelerated, but environmentally-responsible manner; ensuring protection of signature landscapes, wildlife habitats, and cultural resources.
For the years 2016 and 2017, the BLM will process 7 renewable energy projects (5 solar and 2 geothermal) representing 1337 MW, or enough electricity to power over 400,000 homes.
Photo by BLM California
An engine innovation conceived and tested by Sandia researchers has the potential to cost-effectively reduce emissions of soot and nitrogen oxides, encourage the use of renewable fuels, and maintain or improve engine performance.
Ducted fuel injection, developed by Charles Mueller at Sandia’s Combustion Research Facility, is able to fine-tune the fuel-air mixture in an engine to the point of eliminating between 50%-100% of the soot depending on the engine’s instantaneous speed and power level.
Learn more about the work at bit.ly/363Kn1O
Photo by Randy Wong
Yesterday I ventured out to scout out some wind turbines just outside of the Snowdonia National Park. I wanted to see how close I could get to these bad boys, purely so I can return on a clear evening. The sheer size of one of these turbines is immense, check out the size of the sheep to the right!
Just I was walking around the other turbines, I heard gun fire!!! Followed by somebody shouting, so I literally ran back to the car as fast as I could. I haven't moved that fast for a long time lol. At least I know not to turn too many lights on when I come back in the dark ;)
I know the local people around this village really object to these being built on the land, but the amount of wind this place gets, it would be crazy not to use the readily available energy. Love them or hate them, I think they're here to stay for a long time to come, not mention they will be everywhere in the future years.
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Fabien D'Albrede works as Photovoltaic Technician at CEB Green Energy Company Limited. December 2019.
Photo credit: Stéphane Bellerose/UNDP in Mauritius and Seychelles.
The COVID-19 pandemic has impacted the energy sector globally. The forced shutdown of many economies worldwide has resulted in decreased energy demand and a decline in oil prices. While Mauritius is heavily dependent on fossil fuels to power its economy, with imported fossil fuel supplying 80% of primary energy requirements, the current uncertainties have made the need to diversify the energy mix of the island only more evident. The Government of Mauritius has a target of using renewables to supply 35% of the country’s energy needs by 2025.
The solar PV farm at Henrietta is located close to the Tamarind Falls Dam and comprises a 2MWp grid-tie ground-mounted solar photovoltaic farm with all necessary accessories supporting the structures and interconnection facilities over a surface area of 20,000 square metres. The equipment to be installed consists of 5,900 solar photovoltaic panels, inverters, ground-mounting structures, switchgears and transformers, amongst others.