(reply with your guess, and your answer, and I will email you back the right answer)
Solar power:
Solar power is an expensive but amazing technology. And people are in love with it. Absolutely in love. So if everyone is in love with it, and ODOT can afford to put little collectors on the top of their signs.... why can't the general public go slap one on their roof?
It's expensive. The minerals and construction of a solar panel makes them unfeasible for most the marketplace. And power plants are now finding ways around them. The traditional model of a power plant using solar panels includes solar panels laid out in the desert somewhere, all attached and contributing to a grid.
The model which I've been studying and has got me excited is the parabolic mirror system that use water, mirrors, and the acompanying thousands of wires to provide electricity. They've created a model storage system, and they have the support of several different stations already set up.
It's diagramed here:
It's a promising system. This is in now way ever going to go on anyone's roof. But the idea is good. Solid and easy to promote. Rational. Here is a picture below.
Individual solar panels serve remote locations well. They serve isolated locations in small ways, they serve places like that arena in the Mojave desert (pictured above) well, but they are expensive. And require the use of batteries to store the energy if you need it later. Therefore individuals can't usually afford to invest in solar power, but the model above with the parabolic mirrors promises to bring the cost to the consumer down... through the electricity companies. So for example... their nascent technology which they are still developing would be able to provide electricity to the energy companies at an expense near that of traditional methods. Thus providing reasonable options.
Who will invest in this? If we all knew about it, and wrote our electricity companies in support, hopefully they will invest. I am so jealous of states with public utility companies
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