Buy Power During the Night and sell during the day Sri Lanka
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Customers
with large
generatorsbeing paid Rs.
21.15 per unit
for generating
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Copper indium gallium (di)selenide (CIGS) verified by NREL to be as
http://www.popsci.com/popsci/flat/bown/2007/index.html
Cost/Wp=$Cost/Wp=$
http://en.wikipedia.org/wiki/NRELhttp://en.wikipedia.org/wiki/NREL8/14/2019 Buy Power During the Night and sell during the day Sri Lanka
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Solar cell Price
and production
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GLOBALGLOBAL
Temperat
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All sources of Energy are
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ON AVERAGE AROUND THE WORLD, SUNLIGHT DELIVERS A BARREL OF OIL OF ENERGY ON EVERY
Sri Lanka getsat6(kWh/m2/day)
S
unlighthittingtheearthfor
onehourwould
providethe
entireplanets
energyneedsfo
r
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Ultra
efficiency
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Sell power
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Buy power during
the night
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CEB TARIFFDomestic effective from Nov 2008
Fuel Adjustment Charge 30% on all unit charges except DP &RP consumers consumin less than 90 units er month
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Residential tiered tariff
30.00X1.3=Rs3925.00X1.3=Rs32.50
16.00X1.3=Rs20.80
Rs7.50Rs4.70Rs3.00
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Rs 39Rs 39Rs 39Rs 39Rs 39
Rs39/kWh
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Technologytransfer to
rural SriLanka
A solar water pumping system hasbeen installed in Kaduruwewa in
the Kurunegala district, ablyguided by APSL stalwart Prof. I MDharmadasa, and supported by
the Helasarana organisation. Thepumping system provides about
500 watts of ower to um clean
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Annual Savings Beforeand After
3
1 2 3 4
..
.
1000
0.
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Accumulated Net
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.
8000
6000
4000
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How Storage will Help Smoothingof Out Put
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ConversionW/m kWh/(mday) sun hours/day
kWh/my kWh/kWpy W/m41.66666 41.66666 0.1140796 0.1521061kWh/(mday 0.024 1 1
0.0027379 0.0036505 sun hours/da0.024 1 1 0.0027379 0.003 kWh/my 8.765813 365.2422 365.242
1 1.333333
kWh/kWpy 6.574360 273.9316 273.9316 0.75
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o ar a a on n m
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Efficiency of
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2
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Cost of Generation
Kerawalapitya Cost in Ja
CEB DOMTariff>90kWh/m
CEB DOM tariff
CEB Pays private 1GOODSUNSHINE
GOODSUNSHIN
E
Lowsun
Lowsun
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SUN POWER PRODUCTIONvs LOAD PROFILE
A TypicalCEB Load
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The annual results for Sri Lanka, which range from 4.5 to 6.0 kWh/m2/day,
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The annual results for Sri Lanka, which range from 4.5 to 6.0 kWh/m2/day,are consistent with, and slightly higher than earlier studies using sunshine
recorders, which gave results of 4.2 to 5.6 kWh/m2/day.The slightly higher results are due most likely to the fact that, for Sri Lanka,
we chose tocalculate the resource for a flat plate collector tilted to latitude, rather than
http://www.nrel.gov/docs/fy03osti/34645.pdfhttp://rredc.nrel.gov/solar/codes_algs/PVWATTS/version1/#map
With a 4kW system we can get thisamount of Energy
Radiation Energy Energy
(kWh/m2
/day) (kWh) Axis tracking per Watt/day Colombo Ratmalana
6.58 7411 2 1.85 22.5% Extra
6.35 7172 1 1.79
5.38 6028 0 1.51
Colombo/Katunayake
6.71 7632 2 23.56% Extra 6.47 7377 1
5.46 6177 0
Hambantota
7.32 8494 2 2.12 29% Extra
7.00 8140 1
5.71 6583 0 Trincomalee (AFB)
S l P C t f S i
http://www.nrel.gov/docs/fy03osti/34645.pdfhttp://rredc.nrel.gov/solar/codes_algs/PVWATTS/version1/#maphttp://rredc.nrel.gov/solar/codes_algs/PVWATTS/version1/#maphttp://www.nrel.gov/docs/fy03osti/34645.pdfhttp://www.nrel.gov/docs/fy03osti/34645.pdfhttp://www.nrel.gov/docs/fy03osti/34645.pdf8/14/2019 Buy Power During the Night and sell during the day Sri Lanka
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Solar Power Costs for SriLanka
Power needed 1577 kWh/yr OR 131 kWh/Month AC outputneeded 0.75 kW
Module area 1.33 sq.ft Area needed 11 sq.ft No of Modules8 Power per module 100 watts DC power 789 watts Inverter
efficiency 95 % AC power 750 watts
Module cost rate $2.00 watt Module Cost $1,500Rs/house 178,406 (assuming todays exchange rate) Inverter
cost rate $0.50 watts Inverter cost $395 Installation cost rate
$0.50 per watt Installation cost $395 Capacity factor 24 % SriLanka 2102.4 kWh/Year/kW Output per year 1577 kWhDegradation rate -0.30 %/Output after year: 25 Total power
delivered kWh 37,991
Cost per kWh amortized with out
batteries = $0.11 (With net metering no Batteries
O O G C C
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NANO ORGANIC PV CELLNANO ORGANIC PV CELL(HIGH EFFICIENCY)(HIGH EFFICIENCY)
l ibl l i
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Flexible PlasticFlexible Plastic
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Ult T i l J ti
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Ultra Triple Junction
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l
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SolarSolar
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I i ffi i
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Improving efficiency
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The SolarWall
PV/thermal solar system
is housed on the roof ofa servicecentre and health clinic
for theOlympic athletes in
PV module efficiency is typically betwee8-20%.What happens to the rest of the sunsenergy that
shines on the panels? Most of it isconverted intoheat energy, which normally is lost andprovidesno value to the system owner. As well, thheat build-up behind PV modules reduce
the electrical
Benefits of Solar Cell
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Benefits of Solar CellEner a Zero Emission
More manual labor jobs will be created The value of the property will go up By distributed generation day peak will come down. Transmission and Distribution
losses will be reduced.
Reduction of costly oil imports to the country Reduction of costly Gas turbine generation and costly Private
power. Reduction of Global warming Reduction of polluting CO2 and other CHS Gasses
Reduction of wasteful use of water in thermal Power stations
With net metering the large homes will benefit more on reducing therecostly electricity bills.
Combined with energy efficiency and energy saving and use of LED lamps the nightpeak can also be reduced to benefit the utility.
Should be able to get Renewable Energy Certificates and Carbon trading Low interest soft loans will become available from the local banks like for Rural solar
home systems
A mental satisfaction that we have not contributed to Pollutionand Global warming.
It is expected that bilateral and multilateral finance and market stimulationprograms based on best service at least cost will be soon available
Distributed Generation: the Next Step in Smart
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SOLAR CELLS WITH LED
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SOLAR CELLS WITH LED
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20%efficiency =200W/m2 or
20W/ft2
.LED lampLIFESPAN ofup to 50,000hours!
Up to 90%
Solar Powered LED
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Solar Powered LED
S l t t l i
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Solar street lamps in
D Li ht I di
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D Li ht IndiaAt INDRs1100/lamp with 2W SolarAt INDRs1100/lamp with 2W Solar
Solar power has severalSolar power has several
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Solar power has severalSolar power has severaladvanta esadvanta es
Economical Benefits: The energy from the sun is practically free, after the initial investment has been
recovered
Solar energy reduces our dependence on foreign or centralized conventional source ofenergy
Solar energy supports local jobs and creates wealth, which elevates local economies
Environmentally Friendly: Solar energy is clean, quiet, renewable and sustainable unlike other conventional energy
sources such as gas, oil, and coal
Solar energy does not contribute to global warming, acid rain, or smog, on the contrary, ithelps to lower harmful green house gas emissions
Independent/Semi-Independent: Solar energy reduces our dependence on foreign or centralized sources of energy
Solar energy can reduce your electric bill, and also supply your property with electricity inthe event of a power outage
Solar energy systems can operate entirely independent from a power or gas grid;therefore systems can be installed in remote location
To ota 2010 Solar Roof
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Toyota 2010 Solar RoofToyota has announced that the next
redesign of their highly successfulhybrid Prius automobile will include
solar panels on its roof
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A photo of the new world recordsolar cell.
( Fraunhofer
The sunlight was concentrated 454-times onto a 5 mm multi-
junction solar cell composed of GaInP/GaInAs/ Ge (gallium indiumphosphide, gallium indium arsenide on a germanium substrate) a
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A new
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phone ofSamsung
"BlueEarth"powered by
solar
energy isseen at theMobileWorld
Congress inBarcelona,Spain,
Monday,
Feb. 16,
Researchers at the Fraunhofer Institute for Solar
http://www.fraunhofer.de/EN/http://www.fraunhofer.de/EN/http://www.fraunhofer.de/EN/8/14/2019 Buy Power During the Night and sell during the day Sri Lanka
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Energy Systems (ISE) in Freiburg have reached arecord 41.1 percent efficiency
http://www.news.com.au/heraldsun/story/0,21985,25105900-
http://www.fraunhofer.de/EN/http://www.fraunhofer.de/EN/http://www.fraunhofer.de/EN/8/14/2019 Buy Power During the Night and sell during the day Sri Lanka
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First Solar first to US$1 per
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First Solar first to US$1 perwatt manufacturing cost
http://www.pv-
tech.org/news/_a/first_solar_first_to_us1_per_watt_manufacturing_co
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Sri Lanaka
JapanJapan
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Thank ou
gunda12@yahoo.comvkgnana@gmail.com
mailto:gunda12@yahoo.commailto:gunda12@yahoo.com8/14/2019 Buy Power During the Night and sell during the day Sri Lanka
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Bicycle Powered
Generatorhttp://www.mattshaver.com/bikegen/index.htm Ind
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