1.   Karadzic said the initial focus of the effort would be the hydroelectric system.

2.   Much of the effort will center around repairing the hydroelectric system.

3.   Small hydroelectric systems are feasible if you have a creek or stream, she added.

4.   The best bet for an early end to the freeze is a high valuation on the hydroelectric system it wants to divest.

5.   Critics say the government has failed to look toward alternative energy sources, and that the hydroelectric system is too vulnerable to the swings of nature.

6.   Critics say the government has failed to invest in alternative energy sources, and that the hydroelectric system is too vulnerable to the whims of nature.

7.   The mussels also encrust other freshwater equipment such as dams, hydroelectric systems, ships, piers and locks.