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  • Archive from category "Solar Technology"
 

IQ8 Microinverter and the all new Ensemble by Enphase

Thursday, 18 July 2019 by solfarm
Enphase Ensemble and microinverter

Enphase Energy’s Ensemble

Enphase’s newest and eighth generation microinverter, the IQ8, debuts with a new “grid agnostic” system. Enphase has now officially stepped into the hybrid PV system arena with energy storage under the name Ensemble. With convenient features like smart phone monitoring and virtual assistant integration with Alexa, Enphase is giving homeowners easy control and understanding of their system and its performance. 

Ensemble’s AC battery provides you with energy during a grid outage, and continuous solar energy production. Solar production during an outage is crucial to recharge your battery and power loads in the home when the sun is shining. Whether you have an outage lasting hours or days, Enphase’s Ensemble is capable of powering you through. 

Ensemble is expected to be released mid 2020 and will be compatible with existing IQ6 and IQ7 systems. If you have an existing installation and are interested in battery backup we’d be happy to provide you a quote. 

Here’s an informative video by Enphase introducing Ensemble:

What is a microinverter?

A microinverter is a small inverter that typically connects to only one solar panel. A microinverter solar energy system will have a microinverter placed under, and connected to, each individual solar panel on your roof.

Why use a microinverter?

Microinverters offer several incentives over their string inverter counterparts: Microinverters are great at reducing the impact of shading. Should you have trees or structures casting shadows over your installation area micro’s will minimize the losses. Micro’s also operate completely independent of each other. Each solar panel then has the opportunity to reach peak performance without its neighbors bringing it down. In contrast, string inverters utilize strings of several solar panels all connected in series. When a solar panel in a strings’ performance is low it has the potential to bring down its neighbors with it; reducing the output of the whole string of solar panels.

Why use anything other than a microinverter?

Microinverters are a great option for smaller systems, say less than 10kW, where shading will be an issue and, formally, when battery backup was of no interest.  On larger system installations microinverters quickly become more costly to install. There are other options to minimize shading losses, such as optimizers, when utilizing a string inverter for bigger solar energy arrays.

For more information check out other pages on our site:
How solar energy works
Solar FAQ

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  • Published in Solar Technology
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Trash to Solar

Tuesday, 07 August 2018 by solfarm
Landfill brownfield image

As the need to distance ourselves from fossil fuels becomes more urgent due to climate change and pollution in general, solar power is emerging as a leading alternative. It can be scaled to be used by individuals or large utilities; and best of all- it’s renewable.  However, large scale solar farms require large tracts of land that have long and regular periods of sunlight. Suitable areas can usually be found in many rural settings and deserts, but transferring that energy over lengthy power lines to more populated areas can be expensive and inefficient.

A new trend is emerging that seems like a promising answer to this inconvenience – building on retired landfills! When a landfill is full it is covered with a polyethylene cap, a thin layer of soil, and finally grass. Despite it’s more pleasing aesthetics, this brownfield ground is still mostly unusable as it is unstable and not suitable for building large structures. Because of the gasses and toxins emitted by the covered landfill the growing of crops is also not a viable option. However, this acreage is perfect for large scale solar farms. Ballasted anchors are used to stabilize the solar array to avoid penetrating the landfill cap. This specialized racking system allows for thousands of solar panels to be installed on this otherwise unusable land; producing a lot of clean, renewable energy.

Landfills are typically built outside of, but close to, city limits and already have access to the power grid. This makes transporting energy for use in more densely populated areas much easier. Right now, there is an estimated 10,000 capped landfills in the US alone, and that number is only growing. The construction of large solar farms would not only positively impact the environment, it would create thousands of well-paying and sustainable jobs on land that is otherwise sitting unused.

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  • Published in Climate Change, Solar Energy, Solar News, Solar Technology
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Craft Brewers Going Solar

Tuesday, 31 July 2018 by solfarm
Craft brewers go solar

Craft brewers love to sell themselves as environmental activists. How can you tell a sincerely sustainable business from those looking for a selling point? One answer, solar.

The Relationship Between Brewers and Environmentalism

Millennials love craft brewers, and craft brewers are very aware of what the Pew Research Center found in 2014. Millennials look for socially and environmentally responsible businesses and are willing to pay more for sustainable products.

As Millennials are the biggest generation, marketing to them is important. Having a green (or green-washed) business brings in customers excited to support an environmentally-friendly organization.

Craft brewers also must combat the fact that they are a water-intensive industry; a gallon of beer from an average brewery requires seven gallons of water. While most customers would still drink their favorite brew despite the water consumption, water availability and quality are growing environmental concerns directly affecting and affected by breweries. An organization marketing to an environmentally-conscious generation needs to balance environmental cons with environmental pros.

Follow the Money

While craft brewers modify their businesses and processes in a variety of ways to become more sustainable, a customer dedicated to finding the most sustainable beer needs only to follow the money. Businesses who make investments in environmentally-conscious practices are using part of their profits for a greater cause.

A great way to invest in the environment is installing solar arrays. Of the 6,000 American craft breweries, only 100-150 have solar arrays, and ten of those call North Carolina home.

Check out some local breweries going beyond greenwashing

SolFarm Solar Co. has installed solar energy systems at Apothecary Beverage and Buchi Kombucha. Visit their sites to learn more about their brands.

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  • Published in Climate Change, Solar News, Solar Technology
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Solar Trumps Coal Environmentally and Economically

Tuesday, 17 July 2018 by solfarm
Texas wind turbines

In a competitive market, coal is more expensive than both solar and wind.

In 2001, Texas created a competitive electricity market in that the least expensive resources go on the grid first. At that time, wind supplied less than one percent of Texas’ energy. As of 2018, 20 percent of the market is wind power. With technology and increased production lowering the cost of renewables, there are less arguments, than ever before, for the steady destruction of mountainous landscapes created by America’s need for coal.

Due to the competitive market, Texas has retired coal-fired plants, replacing them with natural gas which is significantly less expensive. By the end of next year, wind is expected to generate more electricity for Texans than coal as more plants are retired. However, these retired plants are largely being replaced by more efficient and less expensive natural gas plants. While natural gas beats coal in an environmentally-friendly competition, it is still a fossil fuel.

Texas’ competitive electricity market creates a fairer fight between renewables and fossil fuels when compared to other state and federal energy policies. Still, fossil fuels have an advantage. The hidden costs related to fossil fuel use like the consequences of climate change, explosions during drilling, transportation, spills and leaks, or burning process, and the pollution of land surrounding gas wells, is not included in the price comparisons of natural gas and renewables.

However, there is still hope. As we continue to burn the finite source of natural gas, it will face the same, inevitable dilemma of oil and coal. The low hanging fruit will be harvested, and the remaining sources will be difficult, dangerous, and expensive to gather while the cost of renewable energy continues to plummet. Someday, the market will favor it.

Will the invisible hand of the free market move soon enough? Don’t wait to see. Ease America’s dependency on fossil fuels by making a personal change in your energy source. Contact SolFarm Solar Co to see what you can do to save the planet.

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  • Published in Climate Change, Policy, Solar Energy, Solar News, Solar Technology
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Solar Innovations to Change the Game

Monday, 13 November 2017 by solfarm
solar roadways

New solar innovations pop up in the growing industry on a regular basis. Sometimes, innovations just improve efficiency by fractions of a percent, quietly helping in the climb toward higher efficiency.

However, several new findings put higher efficiency on the horizon of solar panels with flashy recreations. Today, according to Energy Sage, the  best solar panels convert about 22% of absorbed sunlight into energy and cost $2.87 to $3.85 per watt.

Silicon Replacement

Agency of Science Technology and Research created a compound to replace silicon. In the average solar panel, silicon converts sunlight to energy. Before now, the only possible replacement was toxic Tulluride. The compound, called CZTS, an acronym for copper-zinc-tin-sulfide could change the game of solar panels with 30% efficiency.

Korean scientists also discovered a possible replacement. Perovskite is an element that can convert sunlight to energy, but it is very unstable. Scientists added flourine to protect the perovskite layer from moisture which causes it to degrade. The panels are not perfect yet, but perovskite is more efficient than silicone. They may be the panels of the future.

Transparent Solar Panels

With new transparent solar panels, solar energy may be produced where it could not be before. Unlike the familiar silicon panels seen on roofs, these panels only absorb invisible light. On the bright side these panels can be put on any windows, smart phone screens, or any clear surface. If solar panels covered all the glass in America, these transparent panels double the potential energy solar could offer, making up almost 80% of the national energy demand.

Better Batteries

Scientists work to improve storage batteries as well as panels. Storage batteries moved the solar industry into new territory of microgrids, an innovation themselves. Storage batteries are lithium batteries. Scientists at Berkeley found materials store Lithium in ordered and disordered fashions. Currently, batteries are made with materials that order lithium and other materials in neat layers. However, disordered organization stores more lithium. Scientists identified a criterion to use in predicting how materials will organize lithium.  They also found adding flourine increases storage, stability, and fire safety.

It Takes Time

As exciting as these innovations are, they won’t make a splash immediately. New ideas often cost more. Solar roadways hit the market last December. However, the first project sold for $5.2 million for a kilometer length road. Like the very first solar panels, cost is not always effective, but with time and even more innovation, these great tools will be available for the average homeowner or community.

The cost of solar panels continues to fall, and hopefully, CZTS, transparent solar panels, and even solar roads follow the same trajection. A future is possible where solar is a part of what we drive on or in, our windows, and even our touch screens. It just requires more innovation.

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Tesla Owner Putting His Money Where His Batteries Are

Monday, 30 October 2017 by solfarm

Microgrids are starting to come into their own, and Tesla Owner Elon Musk is drawing attention by claiming storage can fix energy problems around the globe.

Ta’u Island is 100% solar thanks to Tesla storage batteries.

Microgrids helped small islands like Ta’u of American Samoa go completely solar. Off North Carolina’s coast, Ocracoke’s grid security was increased by a small solar microgrid. It will keep the island running along with a small diesel generator the island has had if the single transmission line from the mainland to the island is disrupted. Hawaiian island Kauai also discovered the beauty of microgrids with a solar+storage system, the island was able to go off fossil fuels altogether.

Islands are so interested in microgrids because shipping fossil fuels makes energy production more expensive than it is on continental America or other mainland countries. Many islands have jumped on the bandwagon, reducing or erasing fossil fuel use for each island.

Tesla started the year by increasing production of the new storage batteries, causing the prices to drop more than they already were. As microgrids have become more affordable, they have become a viable option for communities and municipalities.

With his factory pumping out batteries, Musk is making sure people know his product can do what fossil fuel energy plants cannot. In March, he told Australia his batteries could solve the rolling blackout issues in South Australia after a gas shortage and storms disrupting transmission and closing wind farms and power plants in 100 days. Australia took Musk up on his bet, and Tesla is currently ahead of schedule on the 100 day deadline.

Musk was so confident in part because Tesla had built a smaller battery storage system for California in three months in late 2016.

Tesla is not the only one bringing renewables to places in need. Australian company ZEN Energy proposed another project for Australia when rolling blackouts hit a city after a heatwave. Several companies and wealthy environmentalists have been making sure islands have a variety of energy options.

Plans for microgrids are being put into place for facilities like correctional facilities and hospitals where backup for power outages are vital. Microgrids are currently being set up in Puerto Rico to put hospitals back in business.

Beyond relief, Musk, in response to a tweet, claimed Tesla solar+storage systems could be the answer for Puerto Rico as the territory recovers and decides how to increase its grid security. The governor seemed to like the idea, so who knows what is in store for solar and microgrids in the upcoming year. As long as Tesla and other solar companies rise to solve energy crises, there will be evidence that solar can do what fossil fuels cannot.

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  • Published in Solar News, Solar Technology
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  • Enphase Ensemble and microinverter Read more + July 18, 2019 By solfarm in Solar Technology

    IQ8 Microinverter and the all new Ensemble by Enphase

  • Fossil Fuel pollution Read more + June 7, 2019 By solfarm in Policy

    Mammoth Fossil Fuel Subsidies

  • Residential solar panels Read more + May 21, 2019 By solfarm in Solar Energy, Solar News

    Solar Panels Increase Home Resale Value

  • Read more + February 8, 2019 By solfarm in Climate Change, Policy, Solar News

    DC’s Ambitious Clean Energy Requirement

  • Read more + January 9, 2019 By solfarm in Policy, Solar Energy

    Four Decades of Dropping Solar Prices Explained

  • solfarm solar co barn usda rural renewable energy Read more + December 12, 2018 By solfarm in Solar Energy, Solar News

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  • SolFarm Solar Co residential solar installation Read more + November 29, 2018 By solfarm in Policy, Residential Installation, Tips and Tricks

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  • Australia battery subsidy Read more + November 2, 2018 By solfarm in Policy, Solar News

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  • Green Neighborhoods list 2018 Read more + September 26, 2018 By solfarm in Climate Change

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SolFarm offers full-service solar installation for Residential and Commercial customers. We have a team of certified solar professionals ready to work with you in designing your new system. SolFarm is committed to the relationship we start building at the initial consultation. We will be with you in every step of the installation process and beyond.

Contact SolFarm Solar Co.

ASHEVILLE OFFICE ADDRESS:

75 Glendale Ave
Asheville, NC 28803

ASHEVILLE OFFICE PHONE:

(828) 332 - 3003

info@solfarm.com

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