Broader market indexes finished in positive territory after two losing sessions Friday, Aug. 11, but most energy-specific indexes retreated.
The Dow Jones Industrial Average gained 0.07% to close at 21,858.32, and the S&P 500 grew 0.13% to end the week on a positive note at 2,441.32. The SNL Energy Index closed 0.52% down at 286.71.
The coal sector had a mixed session, but the SNL Coal Index increased 0.14% to 63.27. Foresight Energy LP surged 16.54% to close at $4.46 on three-times average volume, after reporting a net loss of $16.3 million in the second quarter.
In the power sector, U.S. Geothermal Inc. reported second-quarter 2017 adjusted EBITDA of $2.34 million, compared to adjusted EBITDA of $2.44 million in the comparable quarter of 2016. The company's stock price increased 2.14% to close at $4.29 on light volume.
First Solar Inc. followed closely, advancing 1.69% to finish at $47.54 on light volume.
Maxim Power Corp. shares lost 0.37% in light trading to end the week at C$2.71 after reporting C$40.0 million in second-quarter 2017 net income attributable to shareholders, compared to a net loss attributable to shareholders of C$8.3 million in the prior-year period.
The SNL Merchant Generator Index added 0.91% to close at 97.41.
Carrizo Oil & Gas Inc.'s shares gained 0.36% to close at $13.86 on below-average volume, after completing the $648 million cash acquisition of Delaware Basin acreage from ExL Petroleum Management LLC and ExL Petroleum Operating Inc.
Cheniere Energy Inc. shares climbed 3.41% in robust trading to close at $42.59, while NGL Energy Partners LP shed 2.45% to close at $9.95 on below-average volume.
The SNL Midstream Energy Index lost 0.39% to end the week at 108.80.
Among electric utilities, Emera Inc. reported second-quarter adjusted net income of C$117 million, down from C$238 million in the second quarter of 2016. Emera shares added 0.54% to close at C$46.95 on light volume.
Algonquin Power & Utilities Corp. reported a C$98.4 million year-over-year increase in second-quarter adjusted EBITDA to C$197.6 million. Algonquin shares slipped 0.15% to C$13.31 in light trading.
Fortis Inc. shares increased 0.42% after an active session to close at $36.21. The company announced plans to slash its consumer share purchase plan. Fortis and the plan's administrator will notify the CSPP participants to transfer their shares to the company's dividend reinvestment and share purchase plan.
Edison International shares shed 0.18% to close at $79.53 on below-average volume, despite Jefferies LLC's ratings upgrade of the company's stock to "buy" from "hold."
Alterra Power Corp. shares retreated 2.41% to C$5.66 on high volume. Alterra booked second-quarter 2017 adjusted EBITDA of $13.6 million, a 26% increase compared to $10.8 million in the year-ago quarter.
The SNL Electric Company Index lost 0.47% to finish at 484.12.
NYMEX September natural gas futures spent the week's closing session consolidating after an impressive gain that halted a four-day winning streak. The contract settled in shallow negative territory, down 0.2 cent at $2.983/MMBtu, after trading a range of $2.962/MMBtu to $2.993/MMBtu.
Market prices and index values are current as of the time of publication and are subject to change.