Power Distributors in Bulgaria to Temporarily Disconnect Renewable Energy Plants

Business » ENERGY | April 4, 2013, Thursday // 12:07| Views: | Comments: 2
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Bulgaria: Power Distributors in Bulgaria to Temporarily Disconnect Renewable Energy Plants Power distributors CEZ and EVN will temporarily disconnect renewable energy power plants in western and southeastern Bulgaria on Thursday to maintain the balance in the system.Photo by BGNES

Power distributors CEZ and EVN will temporarily disconnect renewable energy power plants in western and southeastern Bulgaria to maintain the balance in the system.

The measure was requested by the Electricity System Operator (ESO) in connection with the imbalance between production and consumption.

Power distributor CEZ will switch off all wind and photovoltaic plants on the territory of Sofia, Pernik, Kyustendil, and Montana for a period between 10 am and 6 pm on Thursday.

Meanwhile, EVN Bulgaria is also taking steps to introduce temporary restrictions to the electricity produced by renewable energy plants in southeastern Bulgaria.

The restrictions will be introduced between 10 am and 5 pm on Thursday and 40% of the installed renewable energy capacity will be gradually disconnected according to an agreed schedule.

CEZ and EVN say that they remain ready to change or extend restrictions upon request from ESO.

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Tags: power distributors, Electricity System Operator, CEZ, EVN, wind farms, photovoltaic panels
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» To the forumComments (2)
Philippe - 4 Apr 2013 // 16:55:42

Thenonimus, I can explain.

There are different ways of producing electricity. All have their cost structure: Investments, raw materials, operational costs, environment costs, etc.

Water dams are cheap. Investments were done long ago and are depreciated.

Nuclear power has huge investment costs and also the environmental costs (incl. decommissioning old reactors and storing fuel rods) are big.

Thermal plants, burning coal, have big raw material costs and polute (high environmental costs)

Solar and wind energy has very big investment costs, and are not operational all the time. Even after subsidies, the investment costs are still high.

Apart from the production costs, there are the grid access costs, because these producers need to send their energy somewhere. Connecting a Nuclear plant to the grid is far more easier then connecting small solar/wind/water plants to the grid.

Conclusion? If the demand is smaller than the production capacity, the expensive producers should stop their production, unless the country has the money and the will to pay for expencive renewable energy. This is not the case for Bulgaria.

As I understood, previous governments signed contracts with the foreign investors in 2 of the Maritza East thermal plants to buy the production 365 days per year at a fixed price.... Tricky!

I also understood that the regulator continued to buy at high prices from all producers, without negociating the price. Corruption?

The wachdog did not put one single fine. Corruption?

I wonder what they did with all this energy during the last months, since export is stopped. No foreign country want to buy BG electricity.

Maybe they put three 380KV rods in the ground to consume it.

If BG geologists find some new rock formations, we know what happened.

Thenonymous - 4 Apr 2013 // 13:25:30

Does anyone care to explain the logic behind this?

Seems odd to disconnect what are ostensibly free sources of non-polluting energy, instead of reducing the output of a coal burning, co2 producing power station where at least there would be a fuel saving.

You can't save the sun and wind for another day, but a large pile of coal is a different matter.

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