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Posted By Suzy Mage
January 11, 2013

A well-designed combination of wind energy, solar energy, and storage in batteries and fuel cells would be a cost effective way of meeting 99 percent of electricity demands by 2030, according to a recent University of Delaware and Delaware Technical Community College study.

Solar power is the energy generated from the conversion of sunlight into electricity, directly using photovoltaics (PV) in the form of solar panels. Wind power is the  generated from wind turbines; a device that converts kinetic energy from the wind into mechanical energy in the process known as wind power. Both of these power sources can be generated and then placed in batteries and fuel cells for storage.

One of the main critiques of both solar and wind power is that these are intermittent sources of energy, generating energy only when the wind is blowing or the sun is shining, respectively. This thus creates potential problems for utilities and grid operators who must keep the supply and demand for electricity in balance to meet the demands of the population, even when the conditions for these renewable energy sources are not ideal.

The authors of the study thought that a combined system of wind and solar may be the answer to this problem. Combining the the two resources in a single system would allow for a more efficient use of transmission lines and a more cost-effective way of generating electricity.

To test their theory, the research team developed a computer model to consider all of the combinations – 28 billion to be exact – of renewable energy sources and storage mechanisms. The combinations were simultaneously tested over four years of historical hourly weather data and electricity demands from 13 states, representing one-fifth of the country’s total electric grid.

The study, published in the Journal of Power Sources, used estimates of solar, wind, and general technology costs in 2030, leaving out government subsidies – since their future is unknown – to project the cost of renewables in 2030. The projected costs are about half of the current wind and solar costs and maintenance costs would stay the same.

When comparing this cost to the costs of fossil fuel use, which includes both the estimated fuel cost and the known negative externalities, including human health hazards caused by air pollution, they found that the combined solar and wind plants would be more cost effective than using fossil fuels.

This project isn’t the first to realize that a combination of wind power, solar power, and storage could be a cost-effective solution to meeting high energy demands. For example, California also made this realization last year.

Thanks to the combined legislation, policies, and citizen motivation, California became the top solar state in the country and solar power projects in San Diego has outreached any other city within the state. However, they still had to deal with the problem of solar power not being able to generate electricity all of the time. So in November 2012, California created its first wind and solar plant in the Tehachapi-Mojave region of Southern California, where the wind blows strongest at night while the sun is strongest during the day.

In the Tehachapi-Mojave region a 140-megawatt Pacific Wind farm was placed nearby a 143-megawatt solar power station in Catalina to create a hybrid wind-solar power plant. The power generated in this project will supply solar initiatives with renewable energy to use in residential areas and businesses. The Tehachapi-Mojave is just one example to support the findings of the joint UD and DTCC study.

By 2030, when fossil fuels are expected to increase in price and decrease in amount available, renewable sources will need to come into play in order to meet energy demands. It is important to design and implement the sustainable projects so that when the country is in need of energy, it will be readily available.

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Posted By Tim Ruben
October 1, 2012

solar panel san diegoCalifornia’s state subsidy program made to encourage the sale and use of solar panels will likely disappear for San Diego solar panel owners by the end of this year, while in Southwest Riverside County it will be around until 2013.

The California Solar Initiative, launched in 2007, provided a declining scale of subsidies to people who bought solar panels for their homes or businesses.

“We all of us need to applaud the designers of the California Solar Initiative program,” Walker Wright, director of government affairs for SunRun, a solar company, told the North County Times. “It truly is the ultimate success story of the design of a solar program that is thinking ahead.”

The creators of the California Solar Initiative originally wanted the program to last through 2016, but California’s solar-panel purchases far outpaced predictions and the program will be forced to end early than expected. But industry experts say the program has helped the San Diego solar market grow to the point where it can stand on it’s own, without state subsidies.

The California Solar Initiative allocated its funds for the commercial and residential sectors. The subsidy began at $2.50 per installed watt, or $12,500 for a typical 5-kilowatt home installation. As residential solar purchases accelerated, the program’s subsidy dropped through a series of 10 levels.

The end of the program is not expect to hurt solar sales, installers and program officials said. For Southern California Edison, the subsidy for residential customers is at level 8, or 35 cents a watt, which would pay $1,750 for a 5-kilowatt system. Edison’s program lags both SDG&E and Pacific Gas & Electric Co.

According to industry experts, solar panel costs have fallen faster than the subsidy diminished. One homeowner told the newspaper, he installed a 6-kilowatt system on his house in 2007, when the program launched. His panels cost $9.32 a watt, or $55,000 for his 6-kilowatt system, and he received a $2.50 a watt subsidy, or $15,000. His cost was $40,000. As of this week, his company would install an equivalent system for $5.40 a watt, or $32,400, and no state subsidy.

In 2011, solar leases made up 76 percent of all installs in SDG&E territory and 82 percent of installs in Edison territory. Also, new factors have come into play in the solar industry. Experts say third-party-owned solar leases have taken the market from traditional solar installations.

Solar companies in San Diego county say they are not worried about losing the subsidy. Many find the extensive paperwork necessary to apply for government help, too complicated and tedious, for the small amount of money it supplies.
Under a traditional solar deal, a homeowner purchases solar panels and then is paid back when their panels produce more power than they use. The payback is typically around 7 years, Gordon said.

Yet many point to the data and oversight that come with the program application as one of the California Solar Initiative’s strengths. The California Public Utilities Commission, which regulates utilities and the program, is considering extending the program by making some administrative changes. Preserving the database is one of the key arguments for finding a way to keep the program up and running, even at low levels of subsidy.

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Posted By Jeana Brookes
August 31, 2012

eminent domain lawyerLonghorn state farmers have been arming themselves with eminent domain lawyer armies in an ongoing legal battle with Calgary-based TransCanada’s right to expropriate a part of her farm to build the Keystone XL pipeline.

Hearings are being held in Paris, Texas to challenge the corporation’s laim to be a common carrier, which in Texas gives it what lawyers call the power of eminent domain, or the right to seize property.

The $12-billion, 36-inch diameter pipeline would carry up to 1.1 million barrels of tarsands crude a day more than 2,700 kilometers from Alberta to refineries in south Texas, crossing six states, including independent farms in northeast Texas.

Local land owners claim TransCanada attained its authority simply by checking a box on a form submitted to the Texas Railroad Commission — the agency that regulates the oil and gas industry in the state — that says “common carrier.”

The main litigation is that the Keystone XL pipeline only operates for TransCanada’s benefit. In order to be considered common carriers in the U.S., pipeline companies must allow for other firms to move their products over the pipeline. Under Texas law, landowners only have the right to appeal the price offered for the land, and not the fact of expropriation.

President Barack Obama rejected earlier applications by TransCanada in November, but the firm resubmitted its proposal for an alternate route in May to avoid potential damage to aquifers beneath the environmentally sensitive Nebraska Sandhills.

TransCanada claims that what it is doing is allowed by U.S. law and its supporters say the project would create 50,000 jobs and $2 billion in economic potential for the state. However, critics point out that most construction jobs would be temporary and pipeline construction would only boost job prospects in the region for a few years.

Eminent domain attorney offices say the case has become a focal point in a conflict that pits TransCanada, multiple legal and public relations firms, property owners, environmentalists, lobbyists and politicians during a presidential campaign year against each other over claims of job creation versus hazards posed to property rights and water supplies.

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Marie
 
Posted By Marie
August 23, 2012

Solar panels and installation in San DiegoIvanpah, California is about to gain fame and a serious following among alternative energy proponents.

Located about 250 miles north of San Diego in southwestern California’s Mojave Desert region, Ivanpah is a scarcely populated area that’s becoming home to the what’s officially the world’s largest solar energy project as of 2012.  The Ivanpah Solar Electric Generating System (abbreviated to Ivanpah SEGS) is reported to be halfway completed as of August 2012, and the facility is well on its way to setting a landmark for clean energy and job creating in the United States.

The project is slated for completion in 2013, and it’s created over two thousand jobs in the community.  Project planners predict that the plant will multiply the amount of solar power currently produced across the United States by two by utilizing towers designed for maximum electricity production capabilities.

The power produced by the plant will be sold to two southern California power giants: PG&E and Southern California Edison (SCE).  So while this is a fantastic step forward for the widespread adoption of solar energy use (and something for southern California residents to be proud of), the average homeowner interested in adopting alternative energy for their house will need to look into their own ways of getting solar power.  For more options in solar energy San Diego homeowners/business owners can look into rooftop solar panels – this offers a way to produce energy at home and can completely eliminate a family’s electricity bills.  Similar to the Ivanpah plant, excess power produced by the panels is sent back to the local power company’s grid and the homeowner can be credited for the power they produced.

For more information, visit San Diego solar installer Solaire online.

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Posted By Amanda
July 3, 2012

Le Corbusier, one of the founding fathers of the Modernist movement and of what has come to be known as the International Style in architecture, strove to rid society of its inherent evil through architecture.  He recognized that the engineer dominated the modern era.

In his architectural manifesto “Towards a New Architecture”, first published in 1927, Le Corbusier stated that the engineers are “fabricating the tools of their time,” and therefore believed that all architects must look to the engineers, the masters of technology, in order to bring architect up to par with the new advanced age.  He has definitely left his mark in many places in Europe, especially in France and Switzerland, where he was born.

Today, solar energy through architecture in many ways is moving society towards this same ideal. However, while San Diego solar energy systems and other specialists alike offer solar energy solutions to cooling and heating, in my personal opinion we still do not see enough solar energy in the United States, especially on the East Coast.

Any American driving through Germany would be astonished by the plethora of solar panels on farm roofs, houses, and factories. Even more surprising is that Germany is not one of the sunniest places in the world. However, generous government incentives allowed homeowners to make a profitable investment in solar energy.

To learn more solar energy solutions for your home visit this solar hot water San Diego website.

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Catergories : Construction, Energy tags : ,
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Marie
 
Posted By Marie
May 15, 2012

May 12, 2012 (San Diego, CA) – San Diego solar panel provider Solaire Energy Systems is proud to announce its April Solaire2012 promotion to Elite Dealer status by leading solar panel manufacturer SunPower.  Recognized industry-wide for its quality, efficient energy production, and extreme durability, SunPower awards Elite status to its highest level of solar panel dealers.

In December of 2011, Solaire was named the #1 SunPower dealer in San Diego since partnering with SunPower – and their consistent quality installation of solar energy systems from SunPower has fueled their continued success.  The “Elite Dealer” status is awarded to distributors who adhere to a strict set of performance standards set in place by SunPower and designed to ensure that those companies offer an extremely high level of customer service and product expertise.  Elite Dealers must also complete a training program, and their installations are inspected regularly by SunPower representatives to ensure that quality standards are being met.  Elite Dealers must also reach a consistent customer satisfaction score of above 90 percent.

“Solaire Energy Systems is very excited that our commitment to superior workmanship and dedication to customer service is being recognized within the solar community,” says Trey McCann, Solaire’s Chief Operations Officer.  “We are excited to continue providing our customers with an excellent product at a great price.”

Solar panel systems produced by SunPower are proven in independent third-party studies to produce up to 50 percent more power per unit than conventional solar panels.  They can also provide up to 100 percent more energy per unit than thin-film solar panels, making them one of the most efficient choices on the solar market.  In addition to their extreme energy production capabilities and long-lasting durability, SunPower panels feature a sleek black design that matches any color of residential rooftop without looking awkward or unpleasant.

A study by the U.S. Department of Energy showed that installing a solar energy system increases the sale value of a home by an average of $17,000 – an enormous benefit to homeowners given the difficult 2012 housing market.  With a quality solar panel San Diego residents can increase the value of their home, reduce or eliminate their energy bills, and contribute to environmental efforts in an affordable and forward-thinking way.

 

About Solaire Energy Systems
Solaire Energy Systems is a leading San Diego solar panel provider specializing in solar panel installation, high-efficiency HVAC, solar hot water systems, and solar pool heating systems.  Their recognition as an Elite SunPower dealer reflects their commitment to quality and customer service.  For more information, visit http://www.gosolaire.com.

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Catergories : Business, Construction, Energy tags : ,
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Posted By Amanda
May 1, 2012

Balancing valves are used in hydronic systems to adjust and proportion the flow through various branches and mains throughout the system. When this type of hydronic coil piping packaging is not used in the piping system, the flow will gravitate towards low pressure areas and as a result some of the sections of the piping system will not receive any flow or a very low flow. For example, warm-water  heating coil will limit the flow through that coil, limiting the amount of energy used to heat the air passing across the coil.

Types of Balancing Valves

There are more than three kinds of balancing valves; however, these three are the most common. The calibrated manual balancing valve has a valve and pressure port on each side of the valve. They are calibrated by the manufacturer and should have a chart and/or  a Cv coefficient that is specific to that valve. The globe type is a manual balancing valve that has a closing mechanism in the form of a disc or a plug which moves on an axis perpendicular to the seat. It is often included in coil piping packages and it can be manufactured in a variety of ways to meet the requirements of the system. This is one of the best choices for proper balancing of a system. The plug type is also a calibrated manual balancing valve, which has a conical-shaped closing mechanism that wedges into the body of the valve to create a proper seal. This kind of valve should only be used on smaller-size pipes and should not be closed all the way since it could be damaged.

Others types of balancing valves include automatic flow-limiting valves, which has a thermostat as main control, a butterfly Type, is a calibrated manual balancing valve as Eccentric Type but this has a couple of differences in between. When you are starting up a project, coil hook-up kits are the most economic and practical options since they come preassembled.

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Posted By Amanda
February 27, 2012

Save time before starting your balancing project by determining if your radiation system needs balancing, and by how much. Then, automatic balancing valve controls can help you easily reach a balanced and more efficient heating system.

First step when measuring the balance is to make sure all the thermostat controlled vales on the radiators are open completely and that your system is at its normal working temperature. Next, record the temperature at the original positions and measure the temperature difference across each radiator. If you find a difference of 12 degrees Centigrade or 20 degrees Fahrenheit you will need to make adjustment by using manual or automatic balancing valve controls. If the difference is less than 12 degrees Centigrade or 20 degrees Fahrenheit you may only need to adjust the pump speed or boiler temperature.

It is important to make note that a properly balanced system does not have all the radiators at the same temperature. The temperature of the radiator depends on the size of the room it is heating, the air flow of the room and if doors are opened, its set temperature and the size of the radiator. Additionally, make sure you take into account that in general the temperature of the radiator is a bit higher at the top than at the bottom.

By balancing the heat distribution from you radiators correctly you will significantly reduce consumption and increase energy efficiency.  A circuit setter is a useful balancing valve for setting and measuring the water flow rate through a coil. A circuit setter is calibrated valve with a known Cv (Velocity Constant). You can calculate the flow with a pressure gauge with a gauge adapter and take a reading on either side of the circuit setter.

Radiators are generally found in older houses and as a result have rusting problems. However, radiators should not be painted as each extra later of paint added increases insulation and does not allow heat to pass through. If your radiators are rusting it is best to remove the pain and then paint them again.

To learn more about how to reduce your energy consumption visit Flo-Pac balancing valves and 3 way valve control supplier webpage.

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Posted By Amanda
January 18, 2012

It is widely believe that automatic balancing valves are superior to the manual types by the ease of set up and long term operation. Although manual control valve suppliers offer their products at a lower purchasing price, these systems require skilled technicians and experienced workman to adjust and balance the system.  This is certainly a cost that can be avoided by using the automatic flow control valves.

However, even automatic flow control valves are not immune to malfunction.  These valves do encounter clogging problems just like any other valve which could render them inoperable.  This is a function of the impurities and foreign objects that make their way into the water supply be it a hot water heater or a cooling and heating system.  These objects will prevent the proper performance of the valve’s intended function.  Therefore, automatic balancing valve suppliers and manufacturers have incorporated different mechanisms to keep these objects from impeding the proper operation.

Valve manufacturers and specifically, ball and strainer valve suppliers, employ different techniques and designs to address this problem. A common remedy is to use a built in strainer or filter that can be accessed through a plug.  This way, the strainer can be cleaned and replaced without having to remove the valve from the system.

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Catergories : Energy tags : ,
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Marie
 
Posted By Marie
December 28, 2011

SolaireDecember 28, 2011 (San Diego, CA) – Since partnering with SunPower solar panel manufacturer, Solaire Energy Systems has been the number one SunPower dealer in San Diego and has sold more SunPower solar panels than any other residential dealer in San Diego County.  SunPower panels and products are known industry-wide for their quality, durability and energy production capabilities.

“SunPower has a higher efficiency than any of its competitors,” says Trey McCann, Director of Operations of Solaire Energy Systems.  “They’re dedicated to quality just like Solaire.  They can deliver up to 50% more power per unit than conventional solar panels, and 100% more than thin film solar panels.  We wouldn’t want anything less for our customers.”  In addition to finishing first in sales and shipments during the second quarter of 2011, Solaire earned a perfect 100% customer satisfaction score.

SunPower’s solar panels are made of the highest quality materials and utilize the most efficient technology to produce more solar energy for the price of the system than any other solar panel manufacturer.  The company is based in the United States and have multiple products made right here in the USA.  SunPower’s timely distribution also allows Solaire Energy Systems to install solar systems for their customers on time and without problems.

Though a top selling point for solar systems San Diego is the potential to save money on energy bills, Solaire Energy Systems is as dedicated to the environmental benefits of solar as they are to the financial benefits.  Solaire is known in the industry for their willingness to work with customers with lower energy bills – something that many solar companies won’t do.  Their large customer service staff, dedication to quality and commitment to both saving their customers money and promoting environmental wellness have all helped make Solaire the number one SunPower dealer in San Diego County.

 

About Solaire Energy Systems
Solaire Energy Systems is a top solar energy installer and contractor specializing in solar energy, heaters, air conditioners, water heaters and pool heaters.  Their dedication to quality and customer service at a competitive price has helped make them a Premier SunPower Dealer in San Diego.  For more information, visit http://www.gosolaire.com.

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