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Proposal Installation for: Solar PV 293 Norwood Road UB24JJ 13.02.2013

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Solar PV building integrated 3kw system south west facing

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  • Proposal Installation for: Solar PV 293 Norwood Road UB24JJ 13.02.2013

  • Quote No. Page Date30286/PV 1 of 4 13.02.13

    JNL Contractors196 Mitcham RoadTootingSW17 9NN

    Dear Jas

    Re 293 Norwood Road Southal UB2 4JJ

    Please find below my quotation for the installation of a photovoltaic system 3.0 KW peak comprising 12Bisol BMO250 Monocrystalline Black on Black modules mounted in a roof integrated system on the southwest facing roof.

    I have simulated the returns for each proposal using both the Standard Assessment Procedure laid out in themcs certification guidelines and also with the aid of dedicated specialist analytical software created by thephotovoltaic department of the University of Geneva PV Syst. I have attached the simulations and thecalculations for the financial returns.

    I have summarised the results for your convenience in the table on page 3.

    Please be advised that in order to qualify for the feed in tariff the property will need to demonstrate anenergy efficiency level of D or above via an energy performance certificate.

    Please also re advised that a roof report by a qualified professional will need to be provided In order to verifythe load bearing capacity of the roof structure. This is a requirement of the MCS process to validate thesystem to qualify for the Feed in Tarrif. Again complete Plumbing can provide this report for our standardfee as detailed in the estimates provided.

    Please also be advised that planning permission may be required for this installation. Complete Pluming hasdnot carried out planning enquiries for this installation. Should you wish us to make planning enquiries onyour behalf we shall be able to do so, charges may apply.

    Please also be advised that should you wish to proceed we will ask for a 40% deposit and ask you to sign ourstandard custom agreement which we have attached for your attention.

    Should you have any queries at all please do not hesitate to contact me.

    Yours sincerely,

    Nick Cotton

    QUOTATION

  • JNL Contractors196 Mitcham RoadTootingSW17 9NN

    ITEM DETAIL COST

    Item 1To supply and install 12 Bisol BMO 250 monocrystalline solarPV modules to be m ounted in a roof integrated system creating aweather proof solar roof

    Panels to be mounted on one south west facing roof

    String Inverter Samil Solariver 2.3 TL(10 Year Warranty)Elster generation meter Ac and Dc isolators.

    To allow for the supply of all works to mount and fix solar pvmodules ac and dc isolators inverter and make connection toexisting consumer unit.

    We have not allowed for the provision of high level accessincluding the fabrication of a scaffold for the duration of theworks

    To allow for all commissioning electrical installation certificationand provision of MCS certification to allow access to feed intariffs.

    6230 + vat

    Labour, parts, materials

    +VAT @ 5%

    TOTAL

    Quote No. Page Date30286/PV 2 of 4 13.02.13

  • Energy prices have risen on average 8% a year for the last 5 years. Taking this into account your new systemwill pay for itself In between 8.6 and 8.9 years.

    Quote No. Page Date30286/PV 3 of 4 13.02.13

    Size of System No of Panels Calculator Annual predictedoutput

    PV Tarrif rate Net financial Gain /Pay Back period

    3.0 kwp /South Westfacing

    Bisol BMO 250 roofintegrated

    12 SAP 2464.8 kwh 0.1544 596.24/10.44yrs

    3.0 kwp /South Westfacing

    Bisol BMO 250 roofintegrated

    12 PV syst 2 567kwh 0.1544 620.96/10.03 yrs

    Kwh stands for kilowatt hours which is the unit electricity usage is measured in. The Feed in tariff pays 15.44p at current levels for each unitgenerated by the system plus 4.5p for half the total generated which is assumed will be fed back to the grid. In addition it is assumed that

    half the total will be used in the property and so will yield returns from using your own electricity rather than buying electricity at 13p a unitfrom your electricity supplier.

    The performance of solar PV systems is impossible to predict with certainty due to the variabilityin the amount of solar radiation (sunlight) from location to location and from year to year. Thisestimate is based upon the Government's standard assessment procedure for energy rating ofbuildings (SAP) and is given as guidance only. It should not be considered as a guarantee ofperformance."

    JNL Contractors196 Mitcham RoadTootingSW17 9NN

  • 1813,60

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    MATERIAL:

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    FINISH:UNLESS OTHERWISE SPECIFIED:DIMENSIONS ARE IN MILLIMETERSSURFACE FINISH:TOLERANCES: LINEAR: ANGULAR:

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  • PV Incentive Comparison Calculator

    3.18 kw South West Facing

    293 Norwood Road

    Renewable Technology Photvoltaic

    output rating 3

    deemed output kw hours per year 2464.8

    rate of tarrif or incentive 0.1544

    lifetime of tarrif 20

    value of genration tarrif per year (15.44p per kw generated) 380.56512

    value of export tarrif (50% of total generated x 4.5p) 55.458

    units saved per year ( 50% of total generated) 1232.4

    unit cost of input fuel 0.13

    value of saving at fuel cost 12p electric 4p gas 160.212

    gain per watt output 0.2419

    Total financial gain from technology per year 596.23512

    Cost of supply and installation

    life time of tarrif 20

    cost per year 0

    cost per watt output 0

    gain per watt output 0.2419

    nett gain 0.2419

    nett gain one year 596.24

    nett gain life time of tarrif 11,924.70

    Tarriffs are set to deliver an approximate rate of return of 5-8% for well sited installations

    As the tarrifs are linked to inflation in nominal terms the rate of return could therefore be

    considered to be approximatly 7-10%

    In the 2009 pre budget report the chancellor confirmed that households who use renewable technology

    to generate electricity mainly for own use will not be subject to income tax on feed in tarrifs.

    Department of Energy and Climate Change

    February 2010

    The performance of solar PV systems is impossible to predict with certainty due to the variability

    in the amount of solar radiation (sunlight) from location to location and from year to year. This

    estimate is based upon the Government's standard assessment procedure for energy rating of

    buildings (SAP) and is given as guidance only. It should not be considered as a guarantee of

    performance."

  • PV Incentive Comparison Calculator

    3.18 kw South West Facing

    293 Norwood Road

    SAP Calculation Appendix M

    Electricity Produced by PV Modules = 0.8xkwpxSxZpv

    S Annual solar irradiation from Table H2

    Zpv Overshading Factor from Table H3

    Table H2

    Orientation of collector

    Horizontal South SE/SW E/W NE/NW North

    30 deg 1073 1027 913 785 730

    45 deg 1054 997 854 686 640

    60 deg 989 927 776 597 500

    vertical 746 705 582 440 371

    Overshading Factor

    Overshading percent of sky blocked by obstacles Overshading Factor

    Heavy greater 80% 0.5

    Significant 60-80% 0.65

    Modest 20-60% 0.8

    None or very little less than 20% 1.0

    SAP Calculation 0.8*kwp*S*Zs

    KWP of array 3

    Department of Energy and Climate Change S solar irradiation 1027

    Shading factor 1

    Annual SAP estimated output 2464.8

    The performance of solar PV systems is impossible to predict with certainty due to the variability

    in the amount of solar radiation (sunlight) from location to location and from year to year. This

    estimate is based upon the Government's standard assessment procedure for energy rating of

    buildings (SAP) and is given as guidance only. It should not be considered as a guarantee of

    performance."

  • Page 1/310/02/13PVSYST V5.53

    293 Norwood Road3kwp south west faicng no shading Bisol BMO 250 Solarriver 3000TL 2567kwh

    Grid-Connected System: Simulation parameters

    Project : 293 NorwoodRoadGeographical Site London Country United Kingdom

    Situation Latitude 51.4N Longitude 0.0ETime defined as Legal Time Time zone UT+0 Altitude 5 m

    Albedo 0.20Meteo data : London, Synthetic Hourly data

    Simulation variant : 3kwp south west faicng no shading Bisol BMO 250 Solarriver 3000TL 2567kwhSimulation date 10/02/13 10h21

    Simulation parameters

    Collector Plane Orientation Tilt 15 Azimuth 0

    Horizon Free Horizon

    Near Shadings No Shadings

    PV Array Characteristics

    PV module Si-mono Model BMO-250Manufacturer Bisol d.o.o.

    Number of PV modules In series 12 modules In parallel 1 stringsTotal number of PV modules Nb. modules 12 Unit Nom. Power 250 WpArray global power Nominal (STC) 3000 Wp At operating cond. 2746 Wp (50C)Array operating characteristics (50C) U mpp 341 V I mpp 8.0 ATotal area Module area 19.6 m Cell area 17.5 m

    Inverter Model SolarRiver 3000TLManufacturer Samil Power Co., Ltd.

    Characteristics Operating Voltage 210-500 V Unit Nom. Power 2.60 kW AC

    PV Array loss factorsThermal Loss factor Uc (const) 20.0 W/mK Uv (wind) 0.0 W/mK / m/s

    => Nominal Oper. Coll. Temp. (G=800 W/m, Tamb=20C, Wind=1 m/s.) NOCT 56 CWiring Ohmic Loss Global array res. 681 mOhm Loss Fraction 1.5 % at STCModule Quality Loss Loss Fraction 0.1 %Module Mismatch Losses Loss Fraction 2.0 % at MPPIncidence effect, ASHRAE parametrization IAM = 1 - bo (1/cos i - 1) bo Parameter 0.05

    User's needs : Unlimited load (grid)

  • Page 2/310/02/13PVSYST V5.53

    293 Norwood Road3kwp south west faicng no shading Bisol BMO 250 Solarriver 3000TL 2567kwh

    Grid-Connected System: Main results

    Project : 293 NorwoodRoadSimulation variant : 3kwp south west faicng no shading Bisol BMO 250 Solarriver 3000TL 2567kwh

    Main system parameters System type Grid-ConnectedPV Field Orientation tilt 15 azimuth 0PV modules Model BMO-250 Pnom 250 WpPV Array Nb. of modules 12 Pnom total 3000 WpInverter Model SolarRiver 3000TL Pnom 2600 W acUser's needs Unlimited load (grid)

    Main simulation resultsSystem Production Produced Energy 2567 kWh/year Specific prod. 856 kWh/kWp/year

    Performance Ratio PR 82.5 %

    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec0

    1

    2

    3

    4

    5

    6

    Nor

    mal

    ized

    Ene

    rgy

    [kW

    h/kW

    p/da

    y]

    Normalized productions (per installed kWp): Nominal power 3000 Wp

    Yf : Produced useful energy (inverter output) 2.34 kWh/kWp/dayLs : System Loss (inverter, ...) 0.1 kWh/kWp/dayLc : Collection Loss (PV-array losses) 0.39 kWh/kWp/day

    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec0.0

    0.2

    0.4

    0.6

    0.8

    1.0

    Per

    form

    ance

    Rat

    ioP

    RPerformance Ratio PR

    PR : Performance Ratio (Yf / Yr) : 0.825

    3kwp south west faicng no shading Bisol BMO 250 Solarriver 3000TL 2567kwh

    Balances and main results

    GlobHor T Amb GlobInc GlobEff EArray E_Grid EffArrR EffSysR

    kWh/m C kWh/m kWh/m kWh kWh % %

    January 20.0 5.70 25.6 24.3 65.7 60.8 13.07 12.10

    February 34.0 5.50 40.9 39.0 107.4 101.5 13.39 12.66March 70.0 6.80 80.3 76.9 212.3 203.2 13.48 12.91April 103.0 8.30 110.7 106.6 292.1 280.7 13.45 12.92May 138.0 11.50 142.2 137.0 370.7 356.3 13.30 12.78June 146.0 14.70 148.0 142.8 382.1 367.1 13.17 12.65July 142.0 17.10 144.7 139.6 368.9 354.7 13.00 12.50August 124.0 17.10 130.8 125.9 333.1 320.0 12.99 12.48September 88.0 15.20 98.9 94.9 254.1 244.0 13.10 12.58October 52.0 11.60 62.5 59.8 162.2 154.8 13.23 12.63November 26.0 8.20 33.8 32.1 86.3 81.1 13.02 12.24December 15.0 6.90 19.2 18.2 47.2 43.1 12.57 11.48

    Year 958.0 10.75 1037.6 997.1 2682.3 2567.4 13.18 12.62

    Legends: GlobHor Horizontal global irradiationT Amb Ambient TemperatureGlobInc Global incident in coll. planeGlobEff Effective Global, corr. for IAM and shadings

    EArray Effective energy at the output of the arrayE_Grid Energy injected into gridEffArrR Effic. Eout array / rough areaEffSysR Effic. Eout system / rough area

  • Page 3/310/02/13PVSYST V5.53

    293 Norwood Road3kwp south west faicng no shading Bisol BMO 250 Solarriver 3000TL 2567kwh

    Grid-Connected System: Loss diagram

    Project : 293 NorwoodRoadSimulation variant : 3kwp south west faicng no shading Bisol BMO 250 Solarriver 3000TL 2567kwh

    Main system parameters System type Grid-ConnectedPV Field Orientation tilt 15 azimuth 0PV modules Model BMO-250 Pnom 250 WpPV Array Nb. of modules 12 Pnom total 3000 WpInverter Model SolarRiver 3000TL Pnom 2600 W acUser's needs Unlimited load (grid)

    Loss diagram over the whole year

    Horizontal global irradiation958 kWh/m+8.3% Global incident in coll. plane

    -3.9% IAM factor on global

    Effective irradiance on collectors997 kWh/m * 20 m coll.

    efficiency at STC = 15.31% PV conversion

    Array nominal energy (at STC effic.)2995 kWh

    -5.5% PV loss due to irradiance level

    -2.3% PV loss due to temperature-0.1% Module quality loss-2.1% Module array mismatch loss

    -0.7% Ohmic wiring lossArray virtual energy at MPP2688 kWh

    -4.3% Inverter Loss during operation (efficiency)

    0.0% Inverter Loss over nominal inv. power-0.2% Inverter Loss due to power threshold0.0% Inverter Loss over nominal inv. voltage0.0% Inverter Loss due to voltage threshold

    Available Energy at Inverter Output2567 kWh

    Energy injected into grid2567 kWh

  • Comments by previous customers

    An excellent service and an excellent product. Professional and objective advice from the start to thecompletion of our engagement plus an on-going support when required.Physical works carried out quickly clearly and safely. Solar panels are technically great and look marvellousdue to the advice I received the maximum amount of from solar panelId thoroughly recommend this company and would have them back to work for me again without a secondthought.Huge apologies for the delay! Our panels are great

    Roan Willmore BSc (hons) Environmental ScienceEnvironmental and Sustainability ManagerSE19

    Thanks for helping out where others couldnt. Its a relief to find someone who understands the complexity ofmodern home energy systems and is able and willing to work out best solution for every site.Will AndersonSW2

    Installation was completed very helpful and efficient within a couple of days, and my solar panels were up andrunning straight away. Thank you. Your service is brilliantCharmian KennerSW2

    Complete Plumbing and Heating Service Ltd played a major part as a sub-contractor. Their standard of workwas very good and included the installation of the Solar and Photo Voltaic panels with related pipework andequipment as well as the more general plumbing work.

    The project was completed very satisfactorily within budget and with the submission of a reference manuallisting the work done. On completion the Company provided a briefing explaining the system and the controlmethodology. We were very pleased with the quality work and helpfulness of all involved.

    Peter CobleySW4

    We asked three companies to provide us with an estimate to install PV panels, CPHS was not only the mostthorough of the three in terms of survey they undertook but they also came up with the most cost effectiveproposal. The installation went pretty smoothly and the system works well.

    Richard SeagerManagement ConsultantSE22

    Very Happy. Job done professionally. Very high standard of workmanship. Cooperative team of installers.Found them highly experienced in the field of solar and underfloor heating. I would highly recommend thiscompany without any doubt. Pleasure to do business with Nick Cotton.

    Milan ShahHA2

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