Monday, 29 July 2013

Solar rooftops for New highrises building in Kolkata




The New Town Kolkata Development Authority (NKDA) took a stride forward to turn Rajarhat-New Town into a solar city. It has made it mandatory for all commercial and residential highrises to install solar rooftop systems to meet at least 2% of the buildings' electrical load requirement.

According to the plan, all multi-storied buildings in Rajarhat-New Town have to meet around 1.5% to 2% of their electrical load requirement through solar power. The buildings also need to be energy intelligent which will minimize the use of conventional electricity. Regulators, on the other hand, will fix the feed in tariff rate for using solar power.


Now, generate solar energy on rooftops to power homes

Imagine power consumers turning into power generators. West Bengal Green Energy Development Corporation (WBGEDC) has made it possible with a technology that will help you generate your own personal power and also give the surplus to the grid.
WBGEDC has developed solar photovoltaic systems, through which people can generate electricity on their rooftops. While they can utilise the energy generated in their home, the excess can be sent to the state grid. The facility includes installation of a solar module, a grid interactive inverter to push off surplus energy to grid and a net meter to calculate the bill.

India’s first 2MW solar photovoltaic power plant was commissioned on Dec. 8th, 2009, at West Bengal’s Seebpur village, by Minister for New and Renewable Energy Farooq Abdullah, as part of the National Solar Mission’s fixed a target of adding 1300 MW of solar energy by 2012 at a Rs.20,000 crore investment. 

'We will add 1300 MW of solar energy, including both grid and non-grid supply, in the first phase of our mega scheme of generating 20,000 MW solar power by 2022,' Abdullah said after commissioning the power plant at Seebpur in Jamuria Block near here.

The National Solar Mission aims to add 1300 MW of solar energy by 2012 at a Rs.20,000 crore investment, he said.

The roadmap for implementing the next few phases of the mega scheme will be finalised based on the experience of the first phase, the minister said in Jamuria, about 220 km from Kolkata.

Abdullah called for all-round participation for making the solar mission a success.

He said the Clinton foundation of former US president Bill Clinton has decided to set up two solar thermal projects of 3,000 MW each in Gujarat and Rajasthan.

West Bengal Power Minister Mrinal Banerjee said it would be difficult to attain the solar power generation target if the raw materials used for such plants are not produced in the country.

The Rs.36 crore Seebpur plant, promoted by West Bengal Green Energy Development Corporation Ltd and supported by DPSC Ltd, got a soft loan from Power Finance Corporation at a debt-equity ratio of 70:30.

DPSC will purchase the power at Rs.5 per unit, sources said.

The Ministry for New and Renewable Energy has sanctioned a generation-based incentive of Rs.10 per KW to make the project commercially viable. The plant is expected to produce about 3 million units of electricity annually.

Installation of Rooftop Solar PV Power Plant at Barasat Zilla Parishad Building, Barast.

Barast Zilla Parishad, North 24 Parganas had requested WBGEDCL to formulate a proposal for installation of 50 kW Rooftop Solar PV Power Plant on the roof of the Zilla Parishad Buildng, Barasat.  Accordingly, WBGEDCL formulated a proposal and submitted to Barasat Zilla Parishad. Finally, Barasat Zilla Parishad sanctioned a sum of Rs. 87.35 lakh for implementation of such scheme. The project has successfully been completed and commissioned by WBGEDCL, through competitive bidding.

World Bank Project on Sundarban

The Indian Sundarbans, located in the state of West Bengal, is the largest single mangrove ecosystem in the World. The Government of India has requested the World Bank to support the Government of West Bengal in designing and implementing a Strategic Action Plan to socio-economically develop the Indian Sundarbans. The World Bank Group selected WBGEDCL to prepare the report on “Improving Energy Infrastructure in Indian Sundarbans”. The objective of this study is to develop framework for sustainable energy delivery mechanism for improving electricity supply and hence, social-economic development of the Indian Sundarbans. WBGEDCL has completed total energy survey work in Indian Sundarbans. Based on the information collected from primary survey and secondary sources, following maps were prepared:
  • Present electrification status (by marking electrification status of the village based on household electrification data collected through the primary survey and using the latest definition of electrified village)
  • Renewable energy status (by marking all existing renewable energy (RE) power plants and villages covered under solar home system programme)
  • Proposed electrification map (marking the villages which are planned to be electrified through grid extension and DDG scheme)
  • Block maps showing electrification status of the villages.
WBGEDCL has prepared a complete report on sustainable energy delivery mechanism for improving in electricity supply and submitted to World Bank.

Distributions of Solar Lanterns to the Minority Students.

Minority Dept. Govt. of Wet Bengal in first phase has sanctioned Rs. 37.50 lakh to WBGEDCL for supply of 1875 nos. of Solar Lanterns to the Minority students of the blocks of Gosaba, Namkhana, Patharpratima and Sagar of South 24 Parganas. WBGEDCL has completed the  supply of solar lanterns to the Block Development Officers of the above blocks.  In second phase,   Minority Dept. Govt. of Wet Bengal has sanctioned Rs. 43.12 lakh  for supply of 1875 nos. of Solar Lanterns to the above blocks. It expected the work will be completed by the month of April, 2012.

The table below presents the solar power capacity installed in the various Indian states over the last three years, according to MNRE:
State
Installed capacity (MW)
Andhra Pradesh
23.15
Chhattisgarh
4.00
Gujarat
824.09
Haryana
7.80
Jharkhand
16.00
Karnataka
14.00
Madhya Pradesh
7.75
Maharashtra
25.00
Orissa
13.00
Punjab
9.00
Rajasthan
251.25
Tamil Nadu
17.05
Uttar Pradesh
12.00
Uttranchal              
5.00
West Bengal
2.12
Delhi
2.52
Total
1.233.73


West Bengal receives financial assistance for solar projects

During 2009-10, 2010-11, 2011-12 and 2012-13, the Ministry of New And Renewable Energy released Rs. 11.78 crores, Rs. 12.47 crores, Rs. 8.12 crores and Rs. 3.82 crores respectively to West Bengal Renewable Energy Development Agency for various off-grid solar photo-voltaic systems and power projects.
The Ministry, under the Off-grid and Decentralized Solar Application scheme of JNNSM provides a subsidy of 30% of the project cost ranging from Rs 42/- to Rs. 72/- per watt peak for off-grid SPV power plants having module capacity up to 100 kWp depending on their capacity and configuration in general category States. In Special Category States, UT Islands and districts with international borders, the ministry provides 90% of the cost of the off-grid SPV power plants limited to in the range of Rs. 126/- and Rs 216/- per Wp for installation by Central and State Government Ministries, departments and their organizations, State Nodal Agencies and Local Bodies. The Ministry also provides a subsidy of 30% of the cost of project limited to Rs. 150 per watt for installation of micro/mini-grid SPV power plants of unit capacity up to 250 kW.
 The ministry is providing generation based incentives at a rate equal to difference between CERC approved applicable tariff and a notional rate of Rs. 5.50 per unit for the year 2010-11, escalated at three per cent every year thereafter for solar power projects of total capacity 100 MW. The Government is extending exemption on excise duty on the components procured from within the country and levying concessional customs duty on the components imported for the first time installation of solar power plant. Accelerated depreciation and tax holiday facilities are also available for solar power projects.

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Friday, 19 July 2013

21st Century Energy Evolution

The 21st Century Energy Evolution


"I'd put my money on the sun and solar energy. What a source of power! I hope we don't have to wait till oil and coal run out before we tackle that."
Thomas Edison

Climate change has now become the problem the world cannot ignore. Addressing future global warming, and adapting to it now, will require making fundamental changes to the way we live. To day each country  Energy Strategy set out how decentralized electricity generation could deliver huge CO2 reductions by enabling the convergence of heat and power generation, leading to massive growth in renewable energy production, and providing the cornerstone of a renewable energy economy.

Global production of oil, the world's dominant energy source, is expected to peak in the next 10 to 20 years. But of greater concern to many is not when or if economically recoverable fossil fuel reserves will be depleted, but the fact that the world cannot afford to use all the conventional energy resources that remain.

Scientists have concluded that global carbon dioxide (CO2) emissions must be reduced at least 50-60 per cent by mid-century to avoid catastrophic change. In late 2007, NASA climate scientist James Hansen warned that atmospheric concentrations of CO2 are already too high, and the world should be aiming to reduce them below current levels. The dramatic reductions in emissions required are not possible without significant and rapid improvements in energy efficiency and a shift to renewable energy. In fact, renewable energy and energy efficiency improvements are the only technologies that can achieve the emissions reductions required over the next decade to help stabilize the global climate.

Distributed renewable power generation can also improve reliability of the electric grid and reduce risk of blackouts due to massive grid failures. In developing countries, where an estimated 1.6 billion people lack access to electricity, renewables can provide power more cheaply and quickly than the extension of transmission lines and construction of new plants, and can aid in economic development, while avoiding the need to spend precious export earnings on imported fuels.

Technologies and markets

Technical progress of many renewables - particularly wind power - has been faster than was anticipated even a few years ago, and this trend is expected to continue. Wind remains the cheapest "new" renewable resource for electricity generation.

Solar photovoltaic (PV) cells, which generate electricity directly from sunlight, are now the cheapest option for many remote or off-grid functions. 

Solar photovoltaics (PV) have rapidly become one of the world's fastest growing industries; the US National Renewable Energy Laboratory expects that PV has the "potential to become one of the world's most important industries" as well. PV market options range from consumer products (such as calculators and watches) and remote stand-alone systems for electricity and water pumping to grid-connected systems on buildings and large-scale power plants.

Solar thermal power offers another promising technology for future electricity generation.

Geothermal heat is found deep in the earth, and new technologies allow it to be used directly or tapped for electricity generation by channeling the steam to drive a turbine. 

Power generation from biomass continues to increase in more than 40 countries around the world,  biomass provides another ready source of energy. 

The energy embodied in the oceans' tides, waves, currents and temperature differentials can also be tapped. While most such technologies are still at the experimental stage, Scotland and Australia are among a growing list of countries investing in ocean energy technologies and some sizable installations are already in place or underway in several places around the world.

Friday, 12 July 2013

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Wednesday, 10 July 2013

India : Renewable Energy capacity

MNRE has released the data for the cumulative installed capacity of renewables in India till 31st May 2013. The previous data was till March 31, 2013 and the data shows that the capacity addition grew by 376 MW in April and May 2013. 



New & Renewable EnergyCumulative deployment of various Renewable Energy Systems/ Devices in the country as on 31/05/2013
Renewable
Energy
Programme/
 Systems
Target
 for
2013-14
Deployment during May, 2013
Total
Deploy-
ment
in  
2013-14
Cumulative achievement up to 31.05.2013
I.   POWER FROM RENEWABLES:
A.   GRID-INTERACTIVE POWER (CAPACITIES IN MW)
Wind Power
2500
114.30
264.10
19317.05
Small Hydro Power
300
24
39
3671.25
Biomass Power
105
300
-
-
1264.80
Bagasse Cogeneration
-
-
2337.43
Waste to Power         
            -Urban
20
-
-
96.08
-Industrial
-
-
-
Solar Power (SPV)
1100
73
73
1759.44
Total
4325.00
211.30
303.10
28446.05
B.    OFF-GRID/ CAPTIVE POWER (CAPACITIES IN MWEQ)
Waste to Energy                   -Urban-Industrial
10.00
-
-
115.57
Biomass(non-bagasse) Cogeneration
80.00
2.8
2.8
473.95
Biomass Gasifiers         
        -Rural- Industrial
1.00
-
-
16.792
9.00
0.50
0.50
142.08
Aero-Genrators/Hybrid systems
1.00
-
-
2.11
SPV Systems (>1kW)
40.00
-
-
124.67
Water mills/micro hydel
500 Nos.
-
-
10.65 (2131 nos)
Bio-gas based
 energy system
2
-
-
-
Total
143.00
3.30
3.30
885.82
II. REMOTE VILLAGE ELECTRIFICATION
No. of Remote Village/Hamlets provided with RE Systems
-
-
-
-
III. OTHER RENEWABLE ENERGY SYSTEMS
Family Biogas Plants (No. in lakhs)
1.10
-
-
46.55
Solar Water Heating - Coll. Areas (Million m2)
0.60
-
-
6.98

Press Release