Archive: Gas

Consider CHP for LNG Vaporization

The conversion of liquefied natural gas (LNG) to pipeline-quality gas requires large quantities of low-grade thermal energy that may be available from industrial waste streams, steam power plants, or ocean water at the point of discharging LNG from the tanker. Alternatively, heat may be provided by the combustion of LNG or another fuel. In either case, the large temperature differences between these heat sources and the temperature of the LNG can be used to operate an engine that will offset or eliminate the pumping or fuel costs incurred.

Sri Lanka Commissions Major Thermal Power Plant

The Sri Lankan government in December commissioned the first phase of the 300-MW Kerawalapitiya Thermal Power Plant, the nation’s biggest combined-cycle power plant project. The $300 million plant in the western part of the country commenced operations by generating 200 MW (Figure 7). In its second phase, it will expand to 300 MW. Per government estimates, power produced by the plant is priced at about 20 rupees or $0.18/kWh.

Stopping Natural Gas Leaks

Chances are you have endured the tedious process of removing fuel piping when maintaining just about any gas turbine, especially aero-derivative engines that are usually swapped out rather than repaired in place. One of the most time-consuming jobs after reassembling the fuel piping is checking for leaks at all the flanges. In a large frame-size turbine, that means sealing up to 64 flanges and then removing the seals after the leak testing.

2009 Industry Forecast: New Power Politics Will Determine Generation’s Path

The U.S. power industry’s story in 2009 will be all about change, to borrow a now-familiar theme. Though the new administration’s policy specifics hadn’t been revealed as POWER editors prepared this report, it appears that flat load growth in 2009 will give the new administration a unique opportunity to formulate new energy policy without risking that the lights will go out.

Ontario turbine gets pressure from natural gas pipelines

Enbridge Inc., a Canadian pipeline and energy distribution and services company, and FuelCell Energy Inc. opened what they say is the "world’s first" direct fuel cell – energy recovery generation (DFC-ERG) power plant in Toronto, Ontario, this October. The innovative 2.2-MW project harvests high pressure that is used to channel natural gas over long distances […]

How unconventional fields are powering Texas

In the 1980s, Houston wildcatter George Mitchell drilled the first well into the Barnett Shale formation that stretches through north and central Texas. He tapped into what would turn out to be one of the most prolific and valuable onshore natural gas reserves in the United States.

Under construction in South Africa

This summary of power generation projects is a web-only supplement to the November 2008 special report titled “Whistling in the dark: Inside South Africa’s power crisis.”

Port Washington Generating Station, Phase 2, Port Washington, Wisconsin

We Energies’ Port Washington Generating Station Phase 2 is recognized as a 2008 POWER Top Plant for its design innovation and strong teamwork among the owner, contractor, and craft personnel that ensured project completion on time, on budget, and with a stellar safety record. While staying true to its historical roots, the plant will remain a good neighbor and a reliable provider of intermediate-load power to the region for many years to come.

Kårstø Power Plant, Stavanger, Norway

Power supplies are looking brighter these days in the Land of the Midnight Sun now that the Kårstø combined-cycle power plant has begun commercial operation. Kårstø is Norway’s first commercial onshore gas-fired combined-cycle plant. Combining Scandinavian savvy with German engineering, this 420-MW plant showcases maximum efficiency coupled with minimal emissions.