Hybrid solar system එකට විදුලි බිල

dayt0na

Well-known member
  • Jan 2, 2012
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    For a new 40 kW rooftop solar PV system without batteries, the proposed payment is:

    • LKR 19.50 per unit exported to the grid.
    • One electricity unit equals 1 kWh.
    • The same rate applies at all times of day.
    • Example: exporting 1,000 units would earn LKR 19,500.
    Exactly 40 kW falls within the document’s “Above 10 kW and up to 40 kW” band—not the lower-paying “Above 40 kW” band.

    If the system includes battery storage, the proposed first-15-year rates are LKR 66.53/unit from 5:30 p.m.–9:30 p.m. and LKR 14.62/unit at other times. After that, the rate becomes LKR 19.50/unit for the remainder of the agreement.
     
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    raman2

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  • Feb 16, 2009
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    66.53 denne night time export walata witharai.
    hari, namuth api wena panel tikak daala battry charge kaloth dawal ra 2ma export karanna puluwanda?
    dawalta 37, raata 66

    බැටරි වල කෝස්ට් එකක්ත් එක්ක වැඩේ ලාබයිද බං..
    66 nam shape
    ------ Post added on Jul 26, 2026 at 12:14 PM
     
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    Tricle_Buwa

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  • Sep 15, 2019
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    hari namuth api wena panel tikak daala battry charge kaloth dawal ra 2ma export karanna puluwanda?
    dawalta 37, raata 66
    Existing ewata 66ma denne ne mchn.. eta adu ganak denne. Ara doc eka balanna eke cn eka thiyanawa.
    බැටරි වල කෝස්ට් එකක්ත් එක්ක වැඩේ ලාබයිද බං..
    වැඩේ ලාබයි.. 5 year ROI තිබේ.. Contract එක 15 years..
     
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    BODHIEE

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  • Nov 23, 2023
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    බැටරි වල කෝස්ට් එකක්ත් එක්ක වැඩේ ලාබයිද බං..
    5kW battery ekak approx 600k wage kiyala gaththoth ,
    Unit 5 kama daily discharge karoth

    Per Year = 5 units*66 lkr per unit* 365 days
    = 120,450

    @Tricle_Buwa kiyala thiyanawa wage battery cost eka 5 years walin wage recover wei.

    Hybrid inverter ekak Danna wena nisa normal On-grid ekakata wada cost ekak add wenawa. (Battery wires, Battery Isolator etc.)
     

    Tricle_Buwa

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  • Sep 15, 2019
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    5kW battery ekak approx 600k wage kiyala gaththoth ,
    Unit 5 kama daily discharge karoth

    Per Year = 5 units*66 lkr per unit* 365 days
    = 120,450

    @Tricle_Buwa kiyala thiyanawa wage battery cost eka 5 years walin wage recover wei.

    Hybrid inverter ekak Danna wena nisa normal On-grid ekakata wada cost ekak add wenawa. (Battery wires, Battery Isolator etc.)
    Battery capasity eka wedi weddi average cost eka adu wenawa mchn.. 16kWh battery ekaka cost eka 2 - 2.5 times wage wenne 5kwh ekak ekka baladdi..

    5:30 - 9:30 window eke 4kW efficiency eken 14 kwh wage export karaganna puluwan. losses ain kalama..
     
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    hi.dushan

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  • Jun 29, 2009
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    Battery capasity eka wedi weddi average cost eka adu wenawa mchn.. 16kWh battery ekaka cost eka 2 - 2.5 times wage wenne 5kwh ekak ekka baladdi..

    5:30 - 9:30 window eke 4kW efficiency eken 14 kwh wage export karaganna puluwan. losses ain kalama..
    me vidiyata battery eka use kaloth 8years walin wage battery eka iwarayi neda ?
     

    eksudda

    Well-known member
  • May 25, 2017
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    @trical
    Battery capasity eka wedi weddi average cost eka adu wenawa mchn.. 16kWh battery ekaka cost eka 2 - 2.5 times wage wenne 5kwh ekak ekka baladdi..

    5:30 - 9:30 window eke 4kW efficiency eken 14 kwh wage export karaganna puluwan. losses ain kalama..
    @Tricle_Buwa පැය 4 කට unit 14 දෙන්ට 16 kW බැටරි ඕනද... කෝස්ට් එක කියක් වෙයිද බැටරි වල විතරක්..