61.   The Bay Area heat wave has brought threats of rolling blackouts and necessitated some energy-saving measures.

62.   The country was experiencing rolling blackouts, creating hardships for its people as well as hindering efforts to attract investors.

63.   The group has taken steps to boost the power supply, but says rolling blackouts could happen if there are unexpected problems.

64.   The measures announced Friday in Brasilia fell far short of the rolling blackouts of four to six hours a day that the press had been predicting.

65.   The inadequate supply of electricity that led to the recent rolling blackouts occurred because no one wanted to sell power to companies teetering on the verge of bankruptcy.

66.   The price of electricity soared, and the state later experienced rolling blackouts.

67.   The rolling blackouts could hit most of the campuses of the University of California and California State University.

68.   The state has since been plagued with fluctuating electricity prices and has been threatened by rolling blackouts.

69.   The targeted outages that the county might soon experience are different from rolling blackouts such as the ones that homes and businesses in Northern California have suffered recently.

70.   Then the price of natural gas quadrupled and California was hit with rolling blackouts.