Renewable energy after Fukushima

The tragedy of the earthquake followed Fukushima ninth on the Richter scale in Japan, the media has awakened from sleep, millions of Italians. The return to the nightmare of Chernobyl, at least for the time being, stopped all over the world nuclear power for civilian use. Is it true? O through the one-year moratorium, the Italian Government seeks to overcome the obstacle that referendum with a few (the PD until recently had inside position nuclearists!), Found himself in the way?

What does it mean to rethink the national energy system without nuclear power? Excluding consumption for transport, if you were to build a hypothetical mega power plant solar panels to cover the Italian electricity consumption would be enough to cover a square of 80 km of side. A huge area, but only possible if we put together the roofs, sheds and marginal areas.

There is a problem, the panels are powered by the sun, so do not offer an energy always available because of cloudy weather or the alternation of night and day. There is a need to integrate the production of solar panels with other types of renewable energy, wind el’idroelettrico such as standardization of the energy supply and diversify the source.

Both the wind or hydropower are two technologies that can already be competitive with oil and especially nuclear power and our region could be a leader in the production from these two sources throughout the South.

Let me point out the work of an Italian Hydrowattz that the water supply network of aqueducts install mini hydroelectric turbines. So far, Hydrowattz has installed 40 plants with capacities ranging from a few kW to 3 MW, producing over 55 million KWh per year, enough energy to power about 30,000 homes. Now think of what could become the Apulian Aqueduct if only stay on the public company and began to integrate the energy business with its revenue! The system of small difference of wind turbines or solar, can thus ensure consistent productivity.

Another way to make more consistent power production activity is the combined use of an old Italian project of Eng. Mario arenas: the “Totem”. The Total Energy Module (TOTEM), built using the engine of a Fiat 127, is a small co-generator that, using an engine from 903 cubic centimeters powered by natural gas (or biogas on farms) and connected to an alternator asynchronous produces an electrical output of 15 kW and simultaneously recovers heat from exhaust gas to heat or cool just three small rooms.

In short, light and cooling the engine of a car, but with a much higher yield and a very low cost, compared to the construction of large power plants, possibly nuclear.
The Totem project was abandoned by Fiat, then was taken over in Japan with the Ecowill, created through a partnership between Honda and Osaka Gas and more recently by Volkswagen in Germany. The German automotive giant, with the ‘Lichtblick energy operator, will build one hundred thousand domestic cogenerators “ECOBLU” just over the next five years, derived from natural gas engines in the Touran.

A few months ago with the submission of the Report Gabanelli talented we have seen the interview with the Volkswagen general manager, Rudolf Krebs. In that interview the manager admitted that the global automotive industry is facing a great challenge: it must be productive and at the same time save jobs.
This possibility is now provided by the micro-cogeneration, only if Fiat’s Italian plants to understand him would not be so poised.

Do you think that the choice of Germany by distributing Lichtblick create jobs in both industrial plant and Germany will lead to a benefit equal to the output of two nuclear power plants of 1000 MW each! The system is simple micro-cogenerators are mounted in blocks of flats and brought into use or a surplus of supply or demand compensation for a lack of production of wind turbines.

Another system that can provide interesting developments to enable the storage of energy from renewable sources to be reused for the private and public transport or for the production of energy from gas that is desired by the President Vendola project for the construction of 5 in Puglia distributors of hydro. Useful in reducing environmental pollution and the mixing of 30% hydrogen with natural gas to ensure a reduction in consumption of fossil fuels, while waiting for hydrogen fuel cells have reasonable prices for use in motor vehicles.

Meanwhile, while the Government remains the dream of the Nuclear biggest problem for Italy, it is urgent to establish a National Energy Plan: the restructuring of the electricity grid current date to a “smart grid” (smart grids) can handle production flows spread both inbound and outbound. We are not at the time of Chernobyl, research on alternative energy has made great strides in technology and the impact of this crisis on employment and lead to enormous benefits in the energy sector that is dying in the automotive sector.

Now we have the choice: to fund a system of energy production such as nuclear power, to remain slaves of the uranium-producing countries and problems of waste disposal and safety management; become a leader in the Italian region of Renewable Energies, to ensure compatible development and employment . The answer at the polls on 12 and 13 June with the SI to the referendum for public water and against nuclear power.

by Francis Dicesare



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