Archive for the ‘Solar Energy’ Category
I have recently had a pleasant customer experience which I feel I should tell people about. We are so quick to moan when we get bad service, but slow to broadcast it when we had a positive experience. Rather unfair, I think, so here goes:
I stumbled upon a website called ENSAV (short for Energy Saving I think) recently which is dedicated to providing top-rated suppliers in the energy saving industry – specifically for solar geysers, heat pumps, ceiling insulation and solar pool heating. I was surprised to see such a good information portal on the topic, although I was a bit disappointed not to find any suppliers to contact.
As it happens, I was looking to install a solar geyser into our new house that is in the process of being built in Pretoria East. I actually found that there is another way than solar geysers to heat water in a home, namely heat pumps. It basically works like a reverse air conditioner – but I won’t bother you with the technicalities.
I simply completed the online form on the website with my area and contact details, and when I submitted it I immediately received a list of six suppliers in my inbox. I noticed that they were all local suppliers, with the furthest one located in Midrand. Quite handy!
I was still busy working my way through the list when my phone rang. Incredibly it was one of the suppliers on the list that was actually phoning ME. How cool is that?! Anyway, after asking me a few simple questions the guy was ready with a ballpark figure – and also explained to me the different ways of financing a solar geyser without affecting the cashflow. I was pleasantly surprised to find out that I will start saving money from day one, even before I have paid for the system – if I finance it against my existing bond. And then there is the added cash-in-the-pocket benefit of the rebate from Eskom!
While I was talking to him, I heard there was another incoming call, but since it was not a number I recognised I decided they could leave a message. It was another solar geyser supplier trying to get hold of me! Apparently ENSAV sent them an sms the moment I submitted my enquiry! I was astounded – by the end of the day I had three provisional quotations, and two more by the following morning. Two of the suppliers also met me on-site a couple days later, and submitted their final quotations soon afterwards.
Four of the five suppliers that contacted me also pointed out the advantages of installing a heat pump rather than a solar geyser, and also quoted on both options. The toughest part of this is to actually make a decision now…
I have just received an email from ENSAV asking me to rate the suppliers I dealt with individually. As they explain, this helps them to recommend the best suppliers to future customers. I guess I will give the one supplier who did not contact me a low rating then, hey?
If you are looking for a solar geyser, heat pump or solar pool heating, I can really recommend this service. Go to www.ensav.co.za to put it to the test.
In case you are searching the Internet for more info about the topic of internet marketing, then please make sure to go to the web page that was mentioned right in this paragraph.
Texas commitment to scrub energy deserves praise. Texas emerges as an actual world example demonstrating that renewable vitality is possible. For the past two years, the Lone Star State has been the highest wind producer within the nation, with over 3,953 wind-generated megawatts (MW) installed. Texas is also the first state to achieve the milestone of 1 gigawatt of wind installations in a single yr (2007).
The demand for added wind power has increased so rapidly that the Texas electric transmission grid has a critical want for expansion. Up to 2 % of Texas demand for electrical energy was met from renewable vitality sources in 2007, and the Lone Star State has a target of getting 20 p.c of its power from renewable sources by 2020, a objective readily achievable with todays out there technology. Continuing to convert 15 % of the states power portfolio to renewable energy sources each decade could yield an energy profile of at the least 65 % renewable by 2050. The main benefit to renewable vitality is that most of the technologies already exist. Thanks to the Texas landmark legislation that features a Renewable Portfolio Standard which has prompted the renewable energy business to rapidly speed up its renewable power production on Texas sites.
The leading state in wind power production, Texas has the second most potential for future wind production in the nation with 136,100 MW of potential capacity according to the American Wind Energy Association. Twenty-three wind farms have been completed and put on-line from 2007 to 2008. Another 16 are beneath construction, with many more in the planning stages. In addition to producing renewable energy, all of these new facilities create jobs for the state. In fact, Texas may even understand as many as 8,943 jobs manufacturing wind turbines and a $2.98 billion investment within the wind business alone if 50,000 MW of latest wind vitality is created on a national level.
In July 2007, the Texas Public Utility Commission introduced its approval for additional transmission lines that might deliver as a lot as 25,000 megawatts of wind vitality from distant areas within the state to urban centers by 2012, depending on how many wind farms are built. New transmission infrastructure will enable all Texans to entry the states vast wind resources.
GoGreen© by Dynowatt is generated 100% by US wind power. Renewable sources of energy are 100% freed from carbon dioxide, sulfur dioxide and nitrogen oxides-the causes of smog, acid rain, greenhouse gases and contributors to asthma, lung most cancers and respiratory illnesses. Also, renewable vitality comes from nature and it may be replenished again and again again. Unlike oil, renewable energy sources resembling wind, photo voltaic and biomass will never run out. By choosing GoGreen by Dynowatt electrical customers in Texas usually are not only supporting renewable energy but also protecting the state economy. Today electricity customers in Texas face numerous electricity supply options. In a deregulated market, customers have the power to decide on their retail electric provider. In a regulated market, clients are being offered totally different plans that suit greatest their needs. Many electricity customers in Texas now have the option of buying a green power product instantly from their electricity supplier or by switching to a provider with a green power product. If such an option just isn’t available, prospects can support renewable energy growth through the purchase of renewable power certificates.
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The upfront costs of installing a wind energy system in your property can be high. It’s important, so as to recoup your prices in a suitable time frame, to maximize the quantity of energy your system can generate.
Wind velocity is the number one factor in determining the quantity of energy your system can create. An improve in wind velocity from 10 MPH to 12 MPH will trigger an 100 percent increase in energy generation, so you wish to make certain your system has the ability and the place to catch excessive wind speeds. Information on wind velocity and velocity might be obtained using state wind maps, or by having knowledgeable do a wind survey on the property.
For a quick estimate of your property’s wind speed, you’ll be able to measure the velocity at ground level over the course of a few weeks. Generally, there are seven days of prevalent winds and three days of energy winds in a two week period. Most of a wind energy system’s energy is generated from energy wind. If the typical ground stage wind speed that you just measure over the 2 week interval is no less than 8 MPH, a wind energy system is most likely optimal to your property.
Another consideration is location. Your turbine should be 20 feet above the tallest tree, building, or other obstacle inside a 400 ft radius to make sure that the wind reaching the generators is smooth and strong. A good web site for a turbine is on the highest, most exposed floor in an area to ensure that the wind coming through will hit the turbine with as much force as possible.
Along with wind speed and location, the turbine length will affect the potential output of the complete system. Shorter turbine blades will be cheaper and louder. They are designed to catch fast moving winds and generate as much power as potential from them. When they are operating at a most speed, they can be very noisy. The larger the turbine blade, the slower the wind that may be caught and used to generate energy. Large turbine blades can catch winds as gradual as eight MPH, and don’t make as a lot noise, but they will cost tens of thousands of dollars in installation and maintenance.
To measure the potential output of a turbine, use this formula: 0.01328(D squared)(V Squared). The number is the air density, which doesn’t vary much and so a single number can be used to provide an approximate answer. ‘D’ is the diameter of the turbine blade, and ‘V’ is the average annual wind velocity in MPH.
For example, a turbine blade which is 10 toes in diameter, positioned in an area which receives 12 MPH average annual wind velocity, might produce roughly 2300 KWH/year of electricity. To get an concept of how much electricity that is, the common U.S. family uses 11,000 KWH/year. So a mid-sized wind turbine system in an optimal wind pace location can realistically present 2.5 months’ worth of renewable electricity to the house it powers.
The power generating capability of your wind energy system should meet the needs of your household, whether that’s providing all the electricity for the house or supplementing grid energy. Finding the right location and size of wind energy system is essential in meeting those needs and in driving your expectations for the system.
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