Shareholder-owned electric utilities filed 12 rate cases in fourth quarter 2012, a number consistent with the trend of increasing numbers of new filings over the past decade. The trend largely reflects a construction cycle driven by the need to replace aging infrastructure and reduce the environmental impact of power generation. The main driver of new filings in the fourth quarter was capital expenditures, followed by utilities’ desire to implement surcharges, trackers, and riders. Among other reasons, attempts to recover for increased operation and maintenance (O&M) expenses also figured prominently.
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