NEW YORK (

TheStreet

) --

Calpine

(NYSE:

CPN

) is trading at unusually high volume Tuesday with 11.4 million shares changing hands. It is currently at 4.2 times its average daily volume and trading down 59 cents (-3.6%) at $15.63 as of 11:45 a.m. ET.

Calpine has a market cap of $7.22 billion and is part of the

utilities

sector and

utilities

industry. Shares are down 0.7% year to date as of the close of trading on Monday.

Calpine Corporation, an independent wholesale power generation company, owns and operates natural gas-fired and geothermal power plants in North America. It operates natural gas-fired combustion turbines and renewable geothermal conventional steam turbines.

TheStreet Ratings rates Calpine as a

hold

. The company's strengths can be seen in multiple areas, such as its revenue growth and solid stock price performance. However, as a counter to these strengths, we also find weaknesses including deteriorating net income, disappointing return on equity and weak operating cash flow. You can view the full

Calpine Ratings Report

.

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