Archive: Gas

Fog-nozzles-and-droplets

Adding Fog for Power Augmentation and Emission Reduction

A pilot project was initiated by China’s largest energy provider to test the effectiveness of fog-based power augmentation for a gas turbine at a compressor station. The system provided a significant

POWER Digest [August 2019]

VW Chooses MHPS to Modernize Cogen Plant. Volkswagen AG (VW) in early July said it chose Mitsubishi Hitachi Power Systems Europe (MHPS Europe) to build a gas-and-steam power plant in Wolfsburg, as part of the

Red and green to grey — Why switch my HMI?

Many operators are perfectly happy with their trusty red and green HMIs and can’t imagine why they should give them up for a dull greyscale display. When they take a closer look, they usually find out that grey is beautiful.

Equipment Showcase: Coatings and Corrosion Control

A major part of maintaining a power plant at peak efficiency is dealing with or preventing damage from corrosion and corrosive objects that can enter air and water intake systems, including pipes and fluid

Volcanic Rock Offers New Take on Energy Storage

Siemens Gamesa Renewable Energy (SGRE), known for its wind turbines used in both large onshore and offshore projects, in June began operation of an electric thermal energy storage (ETES) system in Germany

Applying IEEE 1584 in Power Generation Facilities

An arc flash is the explosive energy released when an electrical fault causes an arc. This rapid release of energy causes excessive temperatures in addition to air and metal in the path of the arc expanding

hybrid ultracapacitor-battery energy storage system

Investments in Energy Storage Grow as Battery Costs Fall

A new report released July 31 details continued growth in global energy storage, driven by lower costs for lithium-ion batteries. Research company BloombergNEF (BNEF) in its latest forecast published Wednesday said energy storage installations worldwide will grow across the next two decades, from the 9 GW/17 GWh of capacity deployed as of last year, to […]

1949-belle-isle-gas-turbine_ASME

The POWER Interview: What Drove the Gas Turbine Technology Leap at GE Over the Past 70 Years

On July 29, 1949, at 2:15 p.m., General Electric’s (GE’s) first gas turbine at the Belle Isle Station in Oklahoma City began delivering power to Oklahoma Gas and Electric Co.’s distribution system. The 3.5-MW GE Frame 3 machine reportedly had an efficiency of about 17%. Since the Belle Isle machine (Figure 1) started up seventy […]

Investments in Storage Grow as Project Costs Come Down

Venture capital investments in battery storage companies and projects rose significantly year-over-year through the first six months of 2019, according to a report from Mercom Capital Group. That level of activity is consistent with the growth in energy storage noted by speakers on July 24 at the Storage Week Plus conference in San Francisco, California. […]

Ohio Enacts Controversial Bill to Subsidize Nuclear, Coal, and Slash Renewable Standard

Ohio’s Gov. Mike DeWine (R) on July 23 quickly signed a controversial nuclear subsidy bill that narrowly passed the state’s House of Representatives on Tuesday, making Ohio the fifth state in the nation to prop up nuclear power.  Lawmakers passed H.B. 6 with a 51–38 vote Tuesday. The bill passed the state Senate on July […]

Regulators Back Georgia Power Plan to Close Coal Units, Add Renewables

The Georgia Public Service Commission (PSC) on July 16 threw its support behind Georgia Power’s plan to add 2,260 MW of new renewable power generation to the utility’s portfolio, on the same day the PSC signed off on the company’s effort to decommission its long-running coal-fired Plant Hammond. Georgia Power earlier this year submitted a […]