Sentences with phrase «operating power grids»

According to the cardinal rules of designing and operating power grids, the system should always have enough spare capacity to sustain the loss of any single element, even one as big as the Southwest Powerlink.

Not exact matches

Utilities can use batteries to make the grid more stable, and to avoid building new expensive and dirty power plants that they only operate during times of peak power demand.

Distributed solar systems require additional upgrades to the power grid, including enabling the grid to operate in both directions, and most utilities are pushing back against covering those upgrade expenses.

TRADITIONAL ANSWER Off - grid mines have typically bought and operated their own diesel or heavy fuel oil power generating facilities, as security of energy supply is an important factor in the mining industry

«What appears to have happened [in Fukushima] is that after the first failure of the first cooling system, as a result of the power cuts from the grid, the back - up diesel generators began to work and began to operate but they were then hit by the tsunami and therefore back - up operators failed to work and it took the staff on site some time to re-establish and improvise cooling which they of course did with the pumping of sea water.»

If the PSC and Independent System Operator, an organization that coordinates the state's power grid, agree that there isn't enough replacement energy, they could ask that the Entergy Co. continue to operate Indian Point for a few more years.

It affirmed that the Kainji plant serves as a demonstration of innovative small - scale electrification solutions which is the first renewable energy power plant in Nigeria that combines more than one technology, and is able to operate both off - grid and on - grid.

Having built the first renewable energy power plant in Nigeria that combines more than one technology and operates both off - grid and on - grid, the German Agency for International Corporation, Abuja (GIZ), said it is implementing the Nigerian Energy Support Programme (NESP) on behalf of the European Union and the German Government with an overall budget of 24.5 million Euro.

It allows facilities that can [provide] health and safety benefits to operate when the power grid is down,» Reinhard said.

It is different from the practice — and in some cases the requirements — for the Long Island Power Authority, which has a 12 - year, $ 3.87 billion contract with PSEG of Newark to operate the Long Island electric grid.

Although more customers are investing in their own equipment for electric supply, like solar panels or even microgrids — a network of electricity users with a local source of supply and the capability to operate as an island during outages — the report says most U.S. customers will continue to depend on obtaining their power from the large - scale, interconnected electrical grid at least for the next two decades.

The resulting $ 1.16 million Extreme Events initiative would test the trio's approach against the most advanced power grid simulator then available, operated by scientists at the Pacific Northwest National Laboratory (PNNL), to predict where and how often big blackouts struck.

Smart electrical grids and energy storage options would allow utilities to operate more efficiently by helping them manage spikes in the demand for electric power.

It predicted that if you had the grid operating where power was flowing from south to north, as it was on August 14, and voltage fell below a certain point and you lost key lines, then you would get this cascading sequence of events that would cause problems around Lake Erie and in New England.

That would enable liquid metal batteries to operate for many years without being replaced, thereby reducing the long - term cost of using them to help stabilize power grids around the world.

«To operate the grid more efficiently and keep fossil reserves at a minimum, operators need to have a better idea of how much wind and solar power to expect at any given time,» says Malte Siefert, a physicist at the Fraunhofer Institute for Wind Energy and Energy System Technology in Kassel, Germany, and a leader on the project, called EWeLiNE.

The company that operates the state's power grid has a contingency plan in case of emergency shutdowns, says Dorothy Schnure, a spokesperson for Green Mountain Power, one of two local utilities that purchase and resell much of the power from Vermont Yapower grid has a contingency plan in case of emergency shutdowns, says Dorothy Schnure, a spokesperson for Green Mountain Power, one of two local utilities that purchase and resell much of the power from Vermont YaPower, one of two local utilities that purchase and resell much of the power from Vermont Yapower from Vermont Yankee.

These companies operate the major power lines in Germany that make up the 380 - and 220 - kV high - voltage grid.

Power hardware - in - the - loop (PHIL) allows for high fidelity testing by simulating the unfeasible components (utility grid) with a model while simultaneously operating hardware (electrolyzer) that feeds data to the model.

The perfect performance of superconductors could revolutionize everything from grid - scale power infrastructure to consumer electronics, if only they could be coerced into operating above frigid temperatures.

SAM develops cost - of - energy estimates for grid - connected power projects based on local weather conditions, installation and operating costs, and system design parameters for a range of renewable energy technologies, including solar photovoltaics (PV), concentrating solar power (CSP), wind, and geothermal.

Develop a power grid, pressurize living areas, utilize botany to grow crops, and operate various vehicles to keep you and your crew alive.

Radio waves are actually just a high frequency type of alternating current (AC), which is the type of electricity in our power grids, but devices need DC power to operate.

We are really approaching the point where it will be entirely «mainstream» for US suburbanites to live in solar - powered homes that will not only be «net zero energy» in the sense of generating as much or more energy than the house itself consumes, but will also generate all the electricity to operate an EV, which will be integrated with the house so its batteries can provide power to the house at night and during grid outages.

It forms the epicenter of the new Pacific Northwest National Laboratory Institutional Computing program which started in October 2011 and is already working to incorporate computational science into a number of different green - minded lab projects focused on how future power grids could operate, and designing better batteries for energy storage.

Whilst Barnard claims to be operating independently of his employer, IBM, the amount of time he spends blogging on wind power and smart grid related issues, and the business connections IBM have with the renewables industry with respect to smart grid technology and renewable energy, make his assertion that IBM are not involved and supporting his activities questionable.

The Board also is responsible for ensuring that PJM maintains the reliability of the power grid and operates a robust, competitive and non-discriminatory electric power market, preventing any market participants from having undue influence over the operation of PJM.

Power plants operate together in an interconnected grid, and it is reasonable for EPA to take those facts into account in assessing cost - effective pollution control measures.

The project's effective operating hours amount to 2,323 hours per year, and the expected net annual power supply to the grid is 115 million kWh.

Auxiliary generator: A generator at the electric plant site that provides power for the operation of the electrical generating equipment itself, including related demands such as plant lighting, during periods when the electric plant is not operating and power is unavailable from the grid.

Wind systems are thus usually operated in conjunction with electricity supplied from the grid — the grid supplied electricity serves as a backup to ensure constant electric power when there is no wind.

-- best sites have already been taken — wind farms have operating failures — transmission lines to wind farms have failures — some of the power has to be spilled because the grid can't handle it.

Unit operating indicators were normal, marking the first grid synchronization of the Noor II 200 MW parabolic trough concentrated solar power (CSP) project.

With storage, Solana can operate while clouds pass overhead, providing a predictable supply of power to the grid.

* In the original June 2005 draft of this paper the reader would have seen an estimate that the cost of powering a hybrid with average (8.5 cents / kwh) residential electricity from the grid would be about one - quarter the cost of powering the same vehicle in its normal operating mode using $ 2 / gallon gasoline.

Most recently, NRG installed a 117 KwH solar power system at Project Medishare's Hospital Bernard Mevs in Port au Prince, taking the hospital off the grid and ensuring the consistent clean energy needed to operate the hospitals machinery.

There is no grid - scale battery storage system operating anywhere in the world and those few which are being planned are little more than costly prototypes, which will never approach an economic cost for the grid - scale storage and re-delivery of power from wind or solar (see our post here).

Ergon Energy, which operates the sprawling, regional electricity network that covers 97 per cent of Queensland, has suggested that within the next decade renewables and battery storage will be cheaper for domestic consumers than grid power.

In this model, local governments and grid operators can coordinate the output of independent solar arrays and wind farms — which operate intermittently and at different hours — with hydropower, biogas, and other low - carbon resources, thus simulating the output of a 24 - hour power plant.

The existing commercial biomass power generating industry in the United States, which consists of approximately 1,700 MW (megawatts) of operating capacity actively supplying power to the grid, produces about 0.5 % of the U.S. electricity supply.

IMPACTS ASSESSMENT OF PLUG - IN HYBRID VEHICLES ON ELECTRIC UTILITIES AND REGIONAL U.S. POWER GRIDS PART 1: TECHNICAL ANALYSIS Michael Kintner - Meyer Kevin Schneider Robert Pratt Pacific Northwest National Laboratory Operated for the U.S. Department of Energy by Battelle Memorial Institute under Contract DE-AC05-76RL01830

Why add responsibility for operating a miniature power grid, too?

But most power grids around the world are operating at or near their limits some of the time; it is uneconomical to build power grids with large amounts of reserve capacity.

Vineyard Wind proposes to build and operate a 400 - 800 megawatt offshore wind farm in Nantucket Sound that could power over 400,000 homes and help improve the resiliency of the Cape's historically unreliable electric grid.

You can't extend the grid to every village and hut in India, but you also can't develop and operate a 21st - century manufacturing base using unpredictable distributed solar power.

The project will feed solar energy to the grid operated by National Grid and will allow schools and municipalities in Jefferson, Lewis, and St. Lawrence Counties to participate in this local clean power generation and save money on their electricity bills.

Also, transmission grids are operated by regional power utility companies within their own service areas, and that hampers the implementation of «priority dispatching» for renewables on a par with European countries.

A plan to help get to three tons is not simply to buy electric cars, but also to improve public transportation, bike sharing, installing electric vehicle charging infrastructure and car to home interconnection for millions of EVs to also help provide power into the electric grid, mandate phasing in of electric vehicles whose operating «fuel» cost is equivalent to less than $ 1.00 per gallon.

Alabama Power will own and operate the facility, and the energy generated by the project will flow back into the Alabama Power grid as part of the company's generation portfolio.

Moon Dragon features a standard hookup so it can get its power from the grid, but also has a full solar kit so that it can operate off - the - grid, too.