Turbines

Global wind report 2024

The global wind industry installed a record 117GW of new capacity in 2023, making it the best year ever for new wind energy, finds this year’s Global Wind Report from the Global Wind Energy Council. The report finds the wind industry is entering a new era of accelerated growth driven …

Alstom bags Rs 344.5-cr NTPC contract

Alstom India Ltd has said that its thermal services business has obtained a contract worth nearly Rs 344.5 crore (€53 million) for the renovation of NTPC’s gas turbines at its 657-MW Jhanor Gandhar Gas Power Station stage-1 project at Bharuch district in Gujarat. The contract has been awarded to Alstom …

China halves rare earth mining rights

China, the supplier of 90 percent of the world's rare earths, cut mining rights for the materials by about half to 65 nationwide to help the industry consolidate and create bigger producers. Rare earth mining rights in Ganzhou, Jiangxi province, were reduced to 44 from 88, Chen Zhanheng, deputy secretary-general …

PMO calls Coal Min, MoEF to discuss clearance of CIL mines

The Prime Minister’s Office (PMO) has convened a meeting of coal and environment ministries to ascertain the reasons for delay in granting green clearances to 18 mines of Coal India Limited (CIL). The PMO is also working out a methodology to allow CIL to carry out 25 per cent capacity …

BHEL sets up 250 MW gas turbine in Delhi

Commissions 2,250 MW in first quarter of FY13. Bharat Heavy Electricals Ltd on Thursday said it has commissioned the third 250 MW advanced-class gas turbine Pragati-III project at Bawana in New Delhi. Now, 1,000 megawatts is available for feeding power to the grid from this station. “With this, BHEL has …

Winds not favourable

Turbines can increase local temperatures. OVER the years, wind turbines have been favoured as one of the most promising renewable sources of energy. But it may come at a cost. This pollution-free and environment-friendly source of energy can cause an increase in local temperatures. Researchers from University at Albany in …

Wind energy sector opposes Tangedco’s plan to do away with energy banking

The wind energy sector in Tamil Nadu has objected to the State power utility blaming the system of banking of energy for its financial loss and planning to scrap the system. The utility, Tamil Nadu Generation and Distribution Company (Tangedco), has blamed the system which provides for wind energy producers …

The trouble with turbines: An ill wind

With turbines threatening some bird and bat populations, researchers are seeking ways to keep the skies safe for wildlife.

Wrong-Headed in Rio

Tens of thousands of people will soon gather in Rio de Janeiro for the United Nations Earth Summit. Participants, ranging from weary politicians to enthusiastic campaigners, are supposed to reignite global concern for the environment. Unfortunately, the summit is likely to be a wasted opportunity. The UN is showcasing the …

UK to see cheaper offshore wind by 2020-reports

A 30 percent cut in the cost of producing electricity from offshore wind farms is possible in the UK by the end of this decade, helping it compete with cheaper power from onshore wind or biomass, two separate reports showed on Wednesday. Britain has placed big bets on developing offshore …

Greenhouse-gas emissions from tropical dams

Emissions from tropical hydropower are often underestimated and can exceed those of fossil fuel for decades.

An endless wait with uncertain future: unpacking the energy crisis

The urgent need to address climate change, the concerns about depleting fossil fuel reserves and volatile global oil prices, and the continuing economic crisis have, amongst other reasons, put “energy” at the center of public policy debates and discussions in the past few years. While the discussions are centered around …

Coconuts, wind and sun to power Pacific nations

Tiny Pacific nations which are most at threat from rising seas have vowed to dump diesel and other dirty expensive fuels blamed for causing global warming and replace them with clean sources. Using coconut biofuel and solar panels, Tokelau — which consists of three island dots half way between New …

ReNew Power commissions its first wind project at Jasdan, Gujarat

ReNew Power commissions its first wind project, reaffirming its commitment towards Clean Power for India. In keeping with its commitment to become the leading renewable energy producer in India, ReNew Wind Power Pvt. Ltd., an independent power producer, commissioned its first wind farm project at Jasdan, Rajkot district, Gujarat. Hon’ble …

Campaign groups clash over onshore wind turbine report

A new report by the Campaign to Protect Rural England (CPRE) highlights the dramatic roll-out of onshore wind turbines and calls on the Government to do more to protect the countryside. The campaign group says that in many cases these are damaging valued landscapes and intruding into some of the …

Wind Turbines found to create local warming

Large wind farms can substantially influence local climate, most notably by boosting nighttime temperatures, a new study suggests. Utilizing the same analytical techniques used to discern temperature trends in urban heat islands, researchers scrutinized satellite images of a 10,000-square-kilometer area of west-central Texas, home to four of the world's largest …

Ways to arrays

The installed capacity of the UK's wave and tidal sector has grown 40-fold in the past ten years. Ministers expect similarly impressive growth by 2020. But to achieve this, the country needs arrays.

Taking wind out of growing sector

Accelerated Depreciation, an important driver of growth for Indian wind energy sector, was modified in April this year, forcing strong reactions from the industry. Along with this, the ambiguity on generation based scheme (GBI) has created confusion among independent power producers (IPPs). There is fear that the rapid advance in …

Picture imperfect

Wind is still considered an area of growth by the government of India; however the situation on the ground is a different story.

Reassessing wind potential estimates for India: Economic and policy implications

The study assess the techno-economic on-shore wind potential in India at three hub-heights – 80m, 100m, and 120m. Assuming a turbine density of 9 MW/km2, the total wind potential in India with a minimum capacity factor of 20 percent ranges from 2,006 GW at 80m hub-height to 3,121 GW at …

Large Wind Farms Increase Temperatures Near Ground

Large wind farms slightly increase temperatures near the ground as the turbines' rotor blades pull down warm air, according to researchers who analyzed nine years of satellite readings around four of the world's biggest wind farms. The study showed for the first time that wind farms of a certain scale, …

  1. 1
  2. ...
  3. 7
  4. 8
  5. 9
  6. 10
  7. 11
  8. ...
  9. 20

IEP content by date loading...
IEP child categories loading...