Solar And Wind Energy Resource Assessment Programme
MSTC Renewable Thermal Energy Technician
music natural sound background conversation Benjamin Instructor We've got a very rigorous program where we're really training people how to install solar water heating systems or geothermal systems. background conversation We give them a lot of handson opportunities to play with the equipment, to put it up. background conversation and to get the practice installing it now. Sam Student I love this program. I used to be at a four year I didn't like that it was not handson at all,.
And I'm a handson learner. background conversation Getting into this program definitely helped. All these instructors have worked in the field, they know what they're talking about, and they definitely pass that knowledge on. background conversation Benjamin Despite the fact that we've got a fantastic training facility, the best parts are when we leave campus. We like to put in a lot of systems in the community and at various people's houses, so we really get out into the field and install real, functioning systems, make them work, and make them produce energy.
MSTC Renewable Electricity Technician
music background conversation Jason Student I'm learning an array of things about the renewable energy industry, um, primarily focusing on, uh, wind turbines and solar panels applications, doing site assessments. Mike Instructor They get to do this stuff handson with a lot of the newest technologies. Jason It was different, you know, it's almost on the cutting edge, it's not that many schools in the country that are even really doing this, so I wanted to jump on board, not only to do something better for myself, but better for the.
Energy 101 Concentrating Solar Power
Bjbj Take the natural heat from the sun, reflect it against a mirror, focus all of that heat on one area, send it through a power system, and you've got a renewable way of making electricity. It's called concentrating solar power, or CSP. Now, there are many types of CSP technologies. Towers, dishes, linear mirrors, and troughs. Have a look at this parabolic trough system. Parabolic troughs are large mirrors shaped like a giant U. These troughs are connected together in long lines and will track the sun throughout the day. When the sun's heat.
Is reflected off the mirror, the curved shape sends most of that reflected heat onto a receiver. The receiver tube is filled a fluid. It could be oil, molten salt something that holds the heat well. Basically, this super hot liquid heats water in this thing called a heat exchanger and the water turns to steam. The steam is sent off to a turbine, and from there, it's business as usual inside a power plant. A steam turbine spins a generator and the generator makes electricity. Once the fluid transfers it heat, it's recycled and used over and over.
And the steam is also cooled, condensed and recycled again and again. One big advantage of these trough systems is that the heated fluid can be stored and used later to keep making electricity when the sun isn't shining. Sunny skies and hot temperatures make the southwest U.S. an ideal place for these kinds of power plants. Many concentrated solar power plants could be built within the next several years. And a single plant can generate 250 megawatts or more, which is enough to power about 90,000 homes. That's a lot of electricity.
So what you're seeing here is a flowchart. It actually is called a Sankey diagram. It's a flow of energy across supply and demand for the United States. And up here on the left, we're seeing coal, natural gas, crude oil that's produced from the United States, as well as nuclear power and renewables. At the bottom, you're seeing petroleum imports. Those are actually petroleum that we use in society that's coming from outside the United States. Our supply of energy is on the order of 108 quadrillion BTUs, otherwise known as quads.
Quads is just a very convenient largenumber energy unit to use when we're talking about energy supplies and demands on a countrywide level. You're seeing that we have a supply of 20 of our energy from coal, 2526 from natural gas, a large share for petroleum. And what I want you to really focus on is that as of 2011 actually, 2010 is apparently when this transfer became relevant the amount of power from renewable energy and that includes hydropower with wind and solar and others that supply of energy became larger than the United States.
Supply of energy from nuclear power. So we've got a really interesting significant change happening in the United States very recently. And it's largely tied to the very large growth, very rapid growth, of wind, followed by solar. The United States itself currently produces more energy than it actually demands. I've highlighted out in this slide two of the four sectors of energy demand the residential and the commercial sectors are energy demand for the built environment, for building systems. And so residential buildings, your homes, versus commercial buildings, which could be thought of as schools,.
Working Landscapes Livestock Grazing on the Agua Fria National Monument
We run a cowcalf operation. There's two allotments, there's the BLM allotment, and then there's the Forest Service allotment that we run together. We are at the Aqua Fria National Monument. We're smack dab in the middle of the monument. We are in the Horseshoe Livestock Grazing Allotment. One of the most important parts of the multiple use mission here is the livestock grazing that's occurred for almost more than a century. This area also serves as habitat for a variety of wildlife species, including pronghorn antelope and a whole myriad of other species as well.
We put a lot of effort in to improving the water, having permanent water for both the cattle and wildlife. We do rotational grazing so the whole herd stays together, and then we also leave the water on after we've left for the wildlife. If managed properly livestock grazing can definitely have beneficial impacts to our rangeland ecosystems. Cutting between these rangelands are stream corridors that we call riparian areas. And typically livestock grazing, historically, has had some pretty detrimental impacts on some of these riparian areas. However, we've been working with our permittees and we've come up with some ideas.
To actually manage those riparian areas better. These riparian areas here are in an upward trend or in good to excellent condition. After working with BLM closely, I've figured out when they come to me with a problem I know them well enough, and we have a relationship up to the point where I know where they're coming from, and what we need to do to change or do things differently so that way we're doing the best job that we can. I think there's misconceptions out there that BLM and our livestock grazing permittees don't have good relationships,.
I honestly don't think that that's true. I have some really great permittees who work really hard. A good example of that is John Holbrook, he's an excellent permittee. He is very progressive and in the end, at the end of the day he just tries to do the right thing. I do what I do because it's soothing to me, it's important to our family. It's something that we can all do together. You know, working with a couple guys and doing a job that's hard, and getting it done.
Sustainable Energy Projects Introduction
The sun is shining more brightly on energy and dollar savings for the average homeowner. More people and businesses are beginning to accept the Ontario government's offer of subsidies through alternative energy production. The province's feedintariff or FIT program is an incentive to reduce their demand on the electrical grid. Installing solar panels is a key means of saving energy and money over time. And mechanical engineering technologies Professor Leo Salemi and students are working on ways to help, with super efficient solar technology. Leo Salemi We investigate sustainable energy solutions for the.
Home, okay, so that's basically what we were set out to do and it took us two weeks to figure that out, okay, and the answer is yes. These are practical solutions with all of the incentives being offered right now it's a no brainer. You just put these into your house and you'll reduce your carbon foot print and everybody's gonna be happy after that. And you'll make money at it too, so that's our goal, to learn about this technology. In the process, the team is building a roster of sustainable energy projects.
Sustainable Energy Projects Product Design
Professor Salemi's and his team's sustainable energy projects rely on crossdisciplinary students in electromechanical design, mechanical design and computer programming to teach and train. A range of industry partners willing to offer inkind or monetary support a leadingedge green demonstration home for teaching and research in Vaughan, Ontario. And Salemi's Infrastructure Research Testing Lab, which builds prototype renewable energy systems and virtual remote sensing systems. The Archetype House has been using the sun's energy for its operations for 20 years. But it hasn't had a highly efficient way to track, capture and monitor that usage.
Kortright turned to the mechanical engineering technologies professor and his students to build a functional model of a photovoltaic solar tracker. The tracker mounts under the house's solar panels, to detect the sun's rays and direct the panels to collect it. Leo salami So when we look at the overall project and that involves a lot of sub projects. So the primary target was the residential home monitor, so that's where we first started. Okay. How can the average home owner put in solar panels or sustainable energy technologies in their.
Save Energy and Money with a Green House Call
There's lots of ways to save energy and money in your home that don't have to cost you a thing. Marin County, in partnership with Rising Sun Energy Center, sponsors a program called California Youth Energy Services which trains and employs local young adults as Energy Specialists who can provide Marin homeowners and renters with nocost home efficiency assessments and miniretrofits called Green House Calls. Any homeowner or renter in Marin, regardless of whether you get your electricity from PGE or Marin Clean Energy, can request a Green House Call which will find you ways to save energy, water and money in your home at no cost to you.
To begin, the Energy Specialists will walk you through the process and explain what the Green House Call involves. The Specialists then walk through your house looking for energy and watersaving opportunities. They will replace all incandescent bulbs with nocost energysaving compact fluorescent bulbs which use about onequarter of the energy. They will test the sinks and showerhead flow rates and can install highefficiency faucet aerators and showerheads. You get all of the pressure without all of the water waste. The Specialists can also test the toilets to see if there are any leaks that need to be addressed.
A leaky toilet can waste up to 200 gallons of water a day. They can also provide energy conserving power strips and clotheslines at no cost all during a simple House Call. All you have to do is call and schedule a visit and the Specialists do the rest. The Specialists finish off the Green House Call by sitting down with you again to go over the results of your visit and let you know about other rebates and programs that can assist you with taking even more steps to save more energy and more money.
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