Sentences with phrase «in times of peak demand»

The nugget of truth here is that we do need reserve capacity to be available in times of peak demand, especially during extreme weather events that lead to greatly increased need for heating or cooling.

Not exact matches

Lithium - ion batteries become less capable of supplying peak current demands when in cold conditions, have a low battery charge or as they age over time, which can result in the device unexpectedly shutting down to protect its electronic components.
Lithium - ion batteries become less capable of supplying peak current demands when they are in cold conditions, have a low battery charge, or as they age over time, which can result in the device unexpectedly shutting down to protect its electronic components.
At that time of the season, demand is lower than in the summer, and ending the cuts in March — ahead of peak demand — could exacerbate the glut that OPEC and friends have been fighting this year.
On the other hand any restrictions which are introduced will result in the relief being less flexible, more complex, and result in those providing short term accommodation at times of peak demand (e.g. during the Edinburgh Festival, Wimbledon etc) being more likely to have to declare taxable income.
He maintains that some combination of new generators and new transmission lines could be ready in time to cope with summer 2016, the first peak demand period that power - hungry New York City and Long Island would face without both reactors.
Students whose circadian rhythms were out of sync with their class schedules — say, night owls taking early morning courses — received lower grades due to «social jet lag,» a condition in which peak alertness times are at odds with work, school or other demands.
They found that «peak alert times» were often at odds with the demands of work and school, showing up in poor grades.
Riggio however is of the opinion that demand for e-book reader will come down sharply by the time its 2012 before reaching a peak in 2011.
So despite the price volatility, pelt volumes have continued to grow (with no signs of abatement in consumer demand)-- I remain convinced Saga's ultimately a cyclical growth stock, and in time we'll see a fresh peak in sales & turnover again (as in 2013 & 2006).
Lithium - ion batteries become less capable of supplying peak current demands when in cold conditions, [when they] have a low battery charge or as they age over time, which can result in the device unexpectedly shutting down to protect its electronic components.
I think, to spur its development, we need electricity pricing that encourages investment in load - shifting, a guaranteed return for delivering a megawatt - hour at peak demand for more than it costs at the time of peak excess supply.
Much, much energy can be generated NOW, with fairly simple technology, from sunlight, especially for peaking purposes and also for large volumes of electricity demand that correspond, in timing, to the daytime.
In explaining the value of BrightSource Energy's concentrating solar power (CSP) plants with thermal energy storage (TES) capability, the company's Vice President for Government Affairs and Communications Joe Desmond described a 2006 California «heat storm» during which «the California ISO reached its all - time maximum demand» and had «about 3,000 megawatts of wind available,» but «the amount of wind delivering electricity into the system when it hit its peak demand was 1 percent.»
On Sunday, peak electricity demand was 9,124 MW, about 13 % less than the all time peak of 10,496 MW in 2009.
Apart from the obvious and major disadvantage of pollution, diesel powered generators, that will only be needed a small percentage of the time, will be ideal for the needed rare peaking power in exceptionally high demand times in the short - to medium - term.
Combining more - efficient lights and appliances with a smart grid that uses time - of - day pricing, peak demand sensors, and the many other technologies described in this chapter shows a huge potential for reducing both overall electricity use and peak demand.
For instance, if the customer is billed under Time of Use rates, in order to understand how much a solar installation will reduce their utility bill, it is essential to understand how much energy they consume during peak demand times when energy is more expensive, and how those usage patterns intersect with the amount of energy their solar array is likely to be producing at different times.
Businesses in the US are levied so - called demand charges, based on their monthly use of power during peak times that can constitute as much as 50 % of total electricity bill costs.
As has often been noted on this website, businesses in the US are levied monthly charges for their electricity based on their use of grid power during peak times, known as demand charges.
In South Australia, for example, a figure of 3 per cent of installed wind capacity is used to represent the contribution to overall generation supply at times of peak demand; 8 per cent is used in VictoriIn South Australia, for example, a figure of 3 per cent of installed wind capacity is used to represent the contribution to overall generation supply at times of peak demand; 8 per cent is used in Victoriin Victoria.
In fact, as Mr Joshi showed, south eastern Australia's wind farms were generating about 710MW at the time of the peak electricity demand for the week of the recent January heatwave; much of this was coming from SA's wind farms.
The tussle over prices in a decentralized electricity market continued last week, as David Roberts deconstructed the arcane world of demand response, in which utilities pay customers to cut their power use during times of peak demand.
Other public utility commissions in other states are also considering mandating time of use rate plans as a way of reducing periods of peak demand that necessitate capital upgrades to grid infrastructure
In addition, when the rate changes take effect on or before March 1, residential and small commercial customers will have the option to choose from new Time - of - Use (TOU), Peak Demand and Demand TOU plans as alternatives to their existing rate.
Electricity sales are 25 percent lower than business - as - usual in 2040 as a result of savings from energy efficiency measures and standards, as well as demand response programs that pay participating consumers to curtail their energy use at times of peak demand.
Dominion has plenty of power for times when demand is low; the challenge is filling in the peaks and valleys of demand above that minimum level.
Nest thermostats are among a growing number of products capable of precooling buildings in advance of peak electricity demand, a strategy that will become commonplace once time - variant pricing pervades.
The CPUC would be required to increase the percentage of electricity output delivered by clean resources by 5 % in 2020 and by 6 % «every third year thereafter until December 31, 2029, or until 40 % of demand during the peak load time period is supplied by clean peak resources,» the bill reads.
The percentages reflect the assessment of the capacity value of wind at the time of peak electric demand (often late afternoon in the summertime).
Victoria experienced supply failures in February 2000 when a heat wave swept across south eastern Australia, causing extremely high peak demand at a time when an industrial dispute had reduced available capacity by 20 % and two generating plants were unexpectedly out of service.
It's my understanding that, in particular, peakers must be able to start and stop within a short period of time to match peak demand.
In South Australia, concerns over high levels of renewables causing grid instability at times of summer peak demand, combined with a couple of large - scale power cuts, have led the state government to propose investing directly in battery storage and a gas - fired power planIn South Australia, concerns over high levels of renewables causing grid instability at times of summer peak demand, combined with a couple of large - scale power cuts, have led the state government to propose investing directly in battery storage and a gas - fired power planin battery storage and a gas - fired power plant.
Other provisions in the act — such as tax incentives that encourage the adoption of energy - efficient technologies, a shift to more combined heat and power generation, and the adoption of real - time pricing of electricity (a measure that will discourage optional electricity use during peak demand periods)-- would cut electricity demand enough to avoid building an additional 37 coal - fired power plants.
It does three main things: First, it can store solar energy if you have solar panels; second, it can store energy from the grid off - peak when power is cheapest (in places where utilities have time - of - use dynamic pricing) and release it when power is most expensive, saving you money and smoothing out the demand peak, which is good for the grid overall.
It's true that the batteries in all those cars provide a huge amount of storage, so that they could be charged at off - peak times, but it still is going to create a lot of demand for electricity, and it is all pointless if it's not clean electricity.
More and more, electricity markets are purchasing the lack of electricity use as a commodity, as «demand response» options, in which companies lower their energy use at times of peak demand to reduce burdens on the grid, proliferate.
During a heatwave in North America on 22 July, when grid operators were experiencing record demand peaks and prices had shot up to 10 times the 2011 average — US$ 530 / MWh — EnerNOC provided over 1,200 MW of demand response across several U.S. states and Ontario, effectively delivering «negawatts» into the system.
On top of this, the report notes that solar thermal cooling technology - in which the sun's heat is used to power thermally driven absorption chillers or evaporation devices to cool air - can reduce the burden on electric grids at times of peak cooling demand by fully or partially replacing conventional electrically powered air conditioners in buildings.
There is much interest in «smart demand» system, e.g. time - shifting electricity use by incentivising customers to run their energy consumption appliances off - peak, through time - of - use tariffs delivered through smart meters.
Firstly, a requirement for policy to target the growth in peak demand via time of supply feed - in tariff for small generation units.
Instead of a single or other simple (e.g. night and day) tariff, dynamic pricing and more complex tariff structures are expected to be introduced to allow «demand response», in other words, to allow customers to buy electricity at constantly changing prices, thereby cutting demand at peak times, and thus, resulting in a lower need for peak capacity as well as better integration of renewable energy sources.
A power outage affecting 11,000 customers in the Sydney suburbs of Burwood and Strathfield at around the time of peak electricity demand (around 4 pm) was not caused by load - shedding, but would have reduced power demand at a critical time.
Furthermore, close monitoring of Germany's ability to meet electricity demand at peak times should continue in the medium term.
Apple explained the slowdown in a statement: «Lithium - ion batteries become less capable of supplying peak current demands when in cold conditions, have a low battery charge or as they age over time, which can result in the device unexpectedly shutting down to protect its electronic components.
Apple's statement says, «Lithium - ion batteries become less capable of supplying peak current demands when in cold conditions, have a low battery charge or as they age over time, which can result in the device unexpectedly shutting down to protect its electronic components.»
«Lithium - ion batteries become less capable of supplying peak current demands when in cold conditions, have a low battery charge or as they age over time, which can result in the device unexpectedly shutting down to protect its electronic components,» Apple has explained.
The Cupertino - based company told TechCrunch that lithium - ion batteries become less capable of supplying peak current demands when in cold conditions, when they have a low battery charge or as they age over time which can result in a device unexpectedly shutting down to protect its electronic components.
Lithium - ion batteries, which are used in iPhones, «become less capable of supplying peak current demands when in cold conditions, have a low battery charge, or as they age over time, which can result in the device unexpectedly shutting down to protect its electronic components.»
«Lithium - ion batteries become less capable of supplying peak current demands when in cold conditions, have a low battery charge or as they age over time, which can result in the device unexpectedly shutting down to protect its electronic components,» Apple explained.
a b c d e f g h i j k l m n o p q r s t u v w x y z