Scottish Power argues that under current market rules if a DSR CMU (Capacity Market Unit - «a unit
of electricity generation capacity or electricity demand reduction that can then be put forward in a future Capacity Market auction» according to the government definition), consisting of energy storage, is located behind the meter (BTM) it will not be subject to duration de-rating.
Conventional steam coal comprised more than 80 percent
of the electricity generation capacity retired in the U.S. last year.
, wind farms covering 6 percent of the entire land surface of the 48 contiguous states, an outrageous and unrealistic increase in ecologically harmful hydroelectric power, and a build out
of electricity generation capacity that hurtles along at 14 times the average rate of capacity expansion in the past half - century.
Not exact matches
Hydropower a decade ago was the leading source
of power, contributing more than half
of the country's
electricity generation capacity — which perhaps explains why the cost
of buying power is now high following the reversal in the country's power
generation capacity.
The need
of fuel for power has risen in recent times as the country's
electricity generation mix has tilted more to thermal power, which this year is expected to account for about 70 percent
of the total power
generation capacity of the country.
The latter has set itself against the development
of any new nuclear
capacity, but trying to work out how far that will dictate the future
of electricity generation draws us into a complex area
of the current devolution settlement.
Key among NDC's 2016 manifesto promises in the sector includes increasing the stock
of power
generation assets, developing more sustainable power sources, encouraging energy conservation, increasing
generation capacity in excess
of 5,000 MW by 2021 and achieving universal access to
electricity by 2025.
As
of March, according to USAID figures, Power Africa has helped close deals accounting for 4,100 MW
of electricity in places like Rwanda, where East Africa's largest solar array began sending 8.5 MW
of electricity to the national grid late last year, boosting the country's
electricity generation capacity by 6 percent.
India intends to quadruple its
electricity generation by 2032, from its present
capacity of 145 gigawatts.
This is good for the utility because it can reduce the amount
of electricity generation and delivery
capacity required.
Already, however, wind is the largest share
of new installed
electricity generation capacity in the U.S. and E.U., according to the Global Wind Energy Council.
Co-author Dr Iain Staffell, from the Centre for Environmental Policy, said: «This tool allows us to combat one
of the biggest uncertainties in the future energy system, and use real data to answer questions such as how
electricity storage could revolutionise the
electricity generation sector, or when high -
capacity home storage batteries linked to personal solar panels might become cost - effective.»
Build before Memory Runs Out Although individual consumer actions can help, major changes in carbon output will likely require better
electricity -
generation technologies, retiring much
of the coal - fired
capacity and replacing it with the most cost - effective combination
of modern reactors, renewables and even clean coal.
«The leadership shown by Alberta's government to replace two - thirds
of existing coal - fired
electricity generation capacity with renewable energy will greatly help the province in achieving its ambitious climate change objectives,» adds Hornung.
Alberta is phasing out all pollution from coal - fired
electricity generation (6,300 MW) by 2030 and renewable energy — mostly wind — will replace two thirds
of it with renewable energy; expected to drive development
of at least 4,000 MW
of new wind energy
capacity.
«Our main conclusion is that geophysically - forced variability in wind and solar
generation means that the amount
of electricity demand satisfied using wind and solar resources is fairly linear up to about 80 %
of annually averaged
electricity demand, but that beyond this level
of penetration the amount
of added wind and solar
generation capacity or the amount
of electricity storage needed would rise sharply.»
This means it covers the direct cost
of low - carbon subsidies, energy efficiency and carbon taxes, as well as indirect costs due to strengthening grids, backing up intermittent renewables, compensating conventional
generation for lost revenue through the
capacity market and savings due to the merit - order effect, which pushes down wholesale
electricity prices.
643 SecularA said,» when 100 percent
of new
electricity generation capacity added to the USA's electric grid is wind and solar.»
This is a valuable long - view chart from the Energy Information Administration showing how natural gas plants and wind turbines have been the dominant sources
of new
electricity generation capacity in the United States in recent years.
Now, some readers will think this is far - fetched, but I think that in the not - too - distant future the day will come when 100 percent
of new
electricity generation capacity added to the USA's electric grid is wind and solar.
Non-hydro renewables have not managed to do so to date in any large
electricity grid, (hydro can not help; its
capacity growth is limited so it will decrease its share
of global
electricity generation over future decades).
Guest post: Roger Andrews Renewable energy, particularly wind and solar, continues to set records for electicity
generation and installed
capacity in many parts
of the world, and as shown in Figure 1 wind and solar growth in recent years has indeed been quite spectacular (the data used to construct this and following Figures are from the 2014 BP Statistical Review
of World Energy): Figure 1:
Electricity Generated from Solar and Wind, 1965 - 2013 But Figure 1 doesn't tell the whole story because solar and wind are only two
of the four main sources
of renewable energy.
After taking these existing environmental regulations into account, the projections for
electricity generation and its resulting emissions are primarily determined by the available
capacity and relative operating costs
of the different technologies.
Reposting this big news from Solar Love: Herman Trabish
of Greentech Media has happened across a pretty interesting find — 97 %
of new
electricity generation capacity in line to be added to the California grid in the second half (2H)
of 2012...
Herman Trabish
of Greentech Media has happened across a pretty interesting find — 97 %
of new
electricity generation capacity in line to be added to the California grid in the second half (2H)
of 2012 is from solar power projects.
«More wind energy
capacity has been installed in Canada over the last decade than any other form
of electricity generation.
We still found that across the country 84 percent
of the additional
electricity demand created by PHEVs could be met by idle
generation capacity.»
I heard rumours
of studies during the Californian
electricity crisis that showed it was cheaper per watt to subsidise or give away energy efficient appliances to homeowners and businesses, than to build new
generation capacity, I apologise for having nothing more concrete on this, but perhaps another commenter is aware
of this or similar research.
Available at: http://tonto.eia.doe.gov/ftproot/forecasting/0484%282007%29.pdf; See also United States, Energy Information Industry, «U.S. Nuclear
Generation of Electricity,» 2009
Capacity and
Generation, Accessed December 9, 2010.
When combined with thermal storage
capacity of several hours
of full -
capacity generation, CSP plants can continue to produce
electricity even when clouds block the sun, or after sundown or in early morning when power demand steps up.
Canada now has 11,898 MW
of installed wind
generation capacity, enough to supply six percent
of Canada's
electricity demand and meet the annual
electricity needs
of more than three million homes.
The economics
of increased natural gas
generation and expanded renewable
electricity capacity vary regionally, the key determinants being: 1) the natural gas supply and combined cycle utilization rates by region; and 2) the potential for penetration
of renewable
generation in regions including states that have no (or low) renewable portfolio standards.
Two thirds
of new US
electricity generation capacity were from the wind sector in October.
India currently has approximately 205 gigawatts (GW)
of coal - fired
electricity generation capacity, this will soon be augmented by 113 GW
of new coal - fired
capacity currently under construction..
In the case
of a grid with 80 % renewables, the
generation capacity needs to be six times larger than the peak load, while the excess
electricity would be equal to 60 %
of the EU's current annual
electricity consumption.
There simply is not the available undeveloped
capacity to grow hydro a great deal more, and certainly not to maintain it's proportion
of total
electricity generation.
The assessment also revealed the need to create renewable
electricity generation targets, in place
of any existing
capacity expansion targets.
Line 303 - 312 are not correct because they assume that the
electricity generation plants generate at 100 %
of their
capacity all the time.
Utility - scale solar energy projects (defined for the Solar PEIS as facilities with a
generation capacity of 20 MW or greater) generate
electricity that is distributed to consumers through the electric power transmission grid.
In addition, Section 211,
of the Energy Policy Act
of 2005 (P.L. 109 - 58) provides that the Secretary
of the Interior should, within 10 years
of enactment
of the Act,»... seek to have approved non-hydropower renewable energy projects located on the public lands with a
generation capacity of at least 10,000 megawatts
of electricity».
The way they enact this program, so that the liable entities (the utilities) do not have to build this solar
capacity themselves is to attach a Renewable Energy Credit (REC) to each MWH
of solar
electricity generation in the state.
«Outside the OECD, coal
generation in China, the centre
of global coal demand, decreased in 2015 due to a reduction in
electricity demand, coupled with an increased
generation from hydro and nuclear.1 Despite the decrease in
generation in 2015, 52 GW
of coal - fired
generation capacity was added in China in 2015, and roughly 150 GW is currently under construction.
Wind energy has been the largest source
of new
electricity generation in Canada over the last five years and Canada's installed wind energy
capacity has grown by an average 23 per cent a year over that period.
In 2011, installed wind
capacity stood at more than 45 GW, and generated almost 120 million megawatthours
of electricity, accounting for about 4 %
of U.S. installed
capacity and 3 %
of total U.S.
generation in 2011.
By the end
of 2011, wind
capacity stood at more than 45 GW, about 4 %
of U.S. power generating
capacity, and provided 3 %
of total U.S.
electricity generation in 2011.
Other states that traditionally have had high levels
of coal - fired
electricity generation, such as Indiana, West Virginia, and Virginia, each retired at least one GW
of coal
capacity in 2015.
The last plant built, SEGS IX, with a
electricity generation capacity of 92 megawatts (MW), began operation in 1990.
-- In addition to the policy under paragraph (1), it is the policy
of the United States that regional electric grid planning to meet these objectives should result from an open, inclusive and transparent process, taking into account all significant demand - side and supply - side options, including energy efficiency, distributed
generation, renewable energy and zero - carbon
electricity generation technologies, smart - grid technologies and practices, demand response,
electricity storage, voltage regulation technologies, high
capacity conductors with at least 25 percent greater efficiency than traditional ACSR (aluminum stranded conductors steel reinforced) conductors, superconductor technologies, underground transmission technologies, and new conventional electric transmission
capacity and corridors.
As nuclear power
generation disappears by 2022,
electricity production from natural gas will play an important transitional role in Germany in order to fill the gap left open from the closing
of nuclear
capacity.
According to the National Energy Renewable Laboratory 2013Databook, renewable
electricity grew to nearly 15 %
of totalinstalled
capacity and 13 %
of total
electricity generation in theUnited Statesin 2013.