Shetson Solar + Battery

Shetson
Westpoint, 328 Bath Rd, Hounslow TW4 7HW,

UK
Project Name: Shetson
13-10-2022
Your PV system
Address of Installation
Westpoint, 328 Bath Rd, Hounslow TW4 7HW, UK
Created with PV*SOL premium 2022 (R6)

Valentin Software GmbH
Shetson
Project Overview
Figure: Overview Image, 3D Design
PV System
3D, Grid-connected PV System with Electrical Appliances and Battery Systems
Climate Data Westpoint, 328 Bath Rd, Hounslow
TW4 7HW, UK, GBR (1996 - 2015)
Values source Meteonorm 8.1(i)
PV Generator Output 30.24 kWp
PV Generator Surface 139.7 m²
Number of PV Modules 72
Number of Inverters 1
No. of battery systems 3
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Shetson
Figure: Schematic diagram
Production Forecast
Production Forecast
Spec. Annual Yield 944.99 kWh/kWp
Performance Ratio (PR) 91.03 %
Yield Reduction due to Shading 0.2 %/Year
PV Generator Energy (AC grid) with battery 27,575 kWh/Year

Direct Own Use 15,758 kWh/Year
Down-regulation at Feed-in Point 0 kWh/Year
Grid Feed-in 11,817 kWh/Year
Own Power Consumption 57.1 %
CO₂ Emissions avoided 12,475 kg / year
Level of Self-sufficiency 47.7 %
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Shetson
Financial Analysis
Your Gain
Total investment costs 36,288.00 ₹
Internal Rate of Return (IRR) 10.65 %
Amortization Period 10.2 Years
Electricity Production Costs 0.0841 ₹/kWh
Energy Balance/Feed-in Concept Surplus Feed-in
The results have been calculated with a mathematical model calculation from Valentin Software GmbH (PV*SOL algorithms). The
actual yields from the solar power system may differ as a result of weather variations, the efficiency of the modules and inverter,
and other factors.
Page 4 of 21
Shetson
Set-up of the System

Overview
System Data
Type of System 3D, Grid-connected PV System with Electrical Appliances
and Battery Systems
Climate Data
Location Westpoint, 328 Bath Rd, Hounslow TW4 7HW, UK, GBR
(1996 - 2015)
Values source Meteonorm 8.1(i)
Resolution of the data 1h
Simulation models used:
- Diffuse Irradiation onto Horizontal Plane Hofmann
- Irradiance onto tilted surface Hay & Davies
Consumption
Total Consumption 33000 kWh
New 33000 kWh
Load Peak 3.8 kW
Figure: Consumption
Page 5 of 21
Shetson
Module Areas
1. Module Area - Building 01-Roof Area Southeast
PV Generator, 1. Module Area - Building 01-Roof Area Southeast
Name Building 01-Roof Area Southeast
PV Modules 72 x TSM-420-NEG9.28 VERTEX S+
2022 (v1)
Manufacturer Trina Solar
Inclination 15 °
Orientation Southeast 118 °
Installation Type Roof parallel
PV Generator Surface 139.7 m²
Figure: 1. Module Area - Building 01-Roof Area Southeast
Page 6 of 21
Shetson
Horizon Line, 3D Design
Figure: Horizon (3D Design)
Inverter configuration
Configuration 1
Module Area Building 01-Roof Area Southeast
Inverter 1
Model MAX 25KTL3-XL (v1)
Manufacturer GROWATT New Energy Co., Ltd.
Quantity 1
Sizing Factor 121 %
Configuration MPP 1: 1 x 12
MPP 2: 1 x 12
MPP 3: 1 x 12
MPP 4: 1 x 12
MPP 5: 1 x 12
MPP 6: 1 x 12
AC Mains
AC Mains
Number of Phases 3
Mains voltage between phase and neutral 230 V
Displacement Power Factor (cos phi) +/- 1
Page 7 of 21
Shetson
Battery Systems
Battery System
Model SPH 3000+GBLI6531 (6.5kWh) (v2)
Quantity 3
Battery Inverter
Type of Coupling DC intermediate circuit coupling
Nominal output 3 kW
Battery
Model GBLI6531/2 (v1)
Quantity 1
Battery Energy 5.9 kWh
Battery Type Lithium iron phosphate
Page 8 of 21
Shetson
Simulation Results
Results Total System
PV System
Spec. Annual Yield 944.99 kWh/kWp
Performance Ratio (PR) 91.03 %
Yield Reduction due to Shading 0.2 %/Year
PV Generator Energy (AC grid) with battery 27,575 kWh/Year

Direct Own Use 15,758 kWh/Year
Down-regulation at Feed-in Point 0 kWh/Year
Grid Feed-in 11,817 kWh/Year
Own Power Consumption 57.1 %
CO₂ Emissions avoided 12,475 kg / year
Appliances
Appliances 33,000 kWh/Year
Standby Consumption (Inverter) 6 kWh/Year
Total Consumption 33,006 kWh/Year

covered by PV power with battery 15,758 kWh/Year
covered by grid 17,248 kWh/Year
Solar Fraction 47.7 %
Battery System
Charge at beginning 18 kWh
Battery Charge (PV System) 5,239 kWh/Year
Battery Energy for the Covering of Consumption 4,231 kWh/Year
Losses due to charging/discharging 905 kWh/Year
Losses in Battery 121 kWh/Year
Cycle Load 3.5 %
Service Life >20 Years
Level of Self-sufficiency
Total Consumption 33,006 kWh/Year
covered by grid 17,248 kWh/Year
Level of Self-sufficiency 47.7 %
Page 9 of 21
Shetson
Figure: Energy flow
Page 10 of 21
Shetson
Figure: Use of PV Energy
Figure: Coverage of Consumption
Page 11 of 21
Shetson
Figure: Coverage of total consumption
Page 12 of 21
Shetson
Financial Analysis
Overview
System Data
Grid Feed-in in the first year (incl. module degradation) 11,817 kWh/Year
Start of Operation of the System 12-10-2022
Assessment Period 25 Years
Interest on Capital 1 %
Economic Parameters
Internal Rate of Return (IRR) 10.65 %
Accrued Cash Flow (Cash Balance) 72,976.69 ₹
Amortization Period 10.2 Years
Electricity Production Costs 0.0841 ₹/kWh
Payment Overview
Specific Investment Costs 1,200.00 ₹/kWp
Investment Costs 36,288.00 ₹
One-off Payments 0.00 ₹
Incoming Subsidies 0.00 ₹
Annual Costs 725.76 ₹/Year
Other Revenue or Savings 0.00 ₹/Year
Remuneration and Savings

Total Payment from Utility in First Year 1,844.09 ₹/Year
First year savings 2,047.75 ₹/Year
FIT 2019 (Jan - Mar) Higher Rate - Export tariff with 50%
deeming - Building Attached
Validity 12-10-2022 - 11-10-2042
Specific generation remuneration 0.0524 ₹/kWh
Generation Tariff 726.54 ₹/Year
Inflation Rate for Generation Tariff 1.00 %/Year
FIT 2019 (Jan - Mar) Higher Rate - Generation tariff only -

Building Attached
Validity 12-10-2022 - 11-10-2042
Specific generation remuneration 0.0403 ₹/kWh
Generation Tariff 1,117.54 ₹/Year
Inflation Rate for Generation Tariff 1.00 %/Year
SDC Example Energy Tariff (Example)

Energy Price 0.13 ₹/kWh
Base Price 4.4712 ₹/Month
Inflation Rate for Energy Price 5 %/Year
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Shetson
Figure: Development of energy costs
Page 14 of 21
Shetson
Cash flow
Cash flow
Year 1 Year 2 Year 3 Year 4 Year 5
Investments ₹ -36,288.00 ₹ 0.00 ₹ 0.00 ₹ 0.00 ₹ 0.00
Operating costs ₹ -718.57 ₹ -711.46 ₹ -704.42 ₹ -697.44 ₹ -690.54
Feed-in / Export Tariff ₹ 1,789.21 ₹ 1,825.91 ₹ 1,825.99 ₹ 1,826.08 ₹ 1,826.16
Electricity Savings ₹ 1,999.43 ₹ 2,107.77 ₹ 2,191.25 ₹ 2,278.03 ₹ 2,368.25
Annual Cash Flow ₹ -33,217.93 ₹ 3,222.22 ₹ 3,312.83 ₹ 3,406.67 ₹ 3,503.87
Accrued Cash Flow (Cash ₹ -33,217.93 ₹ -29,995.70 ₹ -26,682.88 ₹ -23,276.21 ₹ -19,772.33
Balance)
Cash flow
Investments ₹ 0.00 ₹ 0.00 ₹ 0.00 ₹ 0.00 ₹ 0.00
Operating costs ₹ -683.70 ₹ -676.93 ₹ -670.23 ₹ -663.59 ₹ -657.02
Annual Cash Flow ₹ 3,604.59 ₹ 3,708.95 ₹ 3,817.10 ₹ 3,929.20 ₹ 4,045.41
Accrued Cash Flow (Cash ₹ -16,167.75 ₹ -12,458.80 ₹ -8,641.70 ₹ -4,712.50 ₹ -667.09
Balance)
Cash flow
Investments ₹ 0.00 ₹ 0.00 ₹ 0.00 ₹ 0.00 ₹ 0.00
Operating costs ₹ -650.52 ₹ -644.08 ₹ -637.70 ₹ -631.38 ₹ -625.13
Annual Cash Flow ₹ 4,165.90 ₹ 4,290.82 ₹ 4,420.38 ₹ 4,554.75 ₹ 4,694.12
Accrued Cash Flow (Cash ₹ 3,498.81 ₹ 7,789.63 ₹ 12,210.01 ₹ 16,764.76 ₹ 21,458.88
Balance)
Cash flow
Investments ₹ 0.00 ₹ 0.00 ₹ 0.00 ₹ 0.00 ₹ 0.00
Operating costs ₹ -618.94 ₹ -612.82 ₹ -606.75 ₹ -600.74 ₹ -594.79
Annual Cash Flow ₹ 4,838.70 ₹ 4,988.70 ₹ 5,144.33 ₹ 5,305.82 ₹ 5,473.40
Balance)
Cash flow
Investments ₹ 0.00 ₹ 0.00 ₹ 0.00 ₹ 0.00 ₹ 0.00
Operating costs ₹ -588.90 ₹ -583.07 ₹ -577.30 ₹ -571.58 ₹ -565.92
Feed-in / Export Tariff ₹ 0.00 ₹ 0.00 ₹ 0.00 ₹ 0.00 ₹ 0.00
Annual Cash Flow ₹ 3,819.84 ₹ 4,000.27 ₹ 4,187.56 ₹ 4,381.99 ₹ 4,583.83
Balance)
Page 15 of 21
Shetson
Cash flow
Year 26
Investments ₹ 0.00
Operating costs ₹ -560.32
Feed-in / Export Tariff ₹ 0.00
Electricity Savings ₹ 5,353.70
Annual Cash Flow ₹ 4,793.38
Accrued Cash Flow (Cash ₹ 72,976.69
Balance)
Degradation and inflation rates are applied
on a monthly basis over the entire
observation period. This is done in the first
year.
Figure: Accrued Cash Flow (Cash Balance)
Page 16 of 21
Shetson
Plans and parts list

Circuit Diagram
Figure: Circuit Diagram
Page 17 of 21
Shetson
Overview plan
Figure: Overview plan
Page 18 of 21
Shetson
Dimensioning Plan
Figure: Building 01-Roof Area Southeast
Page 19 of 21
Shetson
String Plan
Figure: Building 01-Roof Area Southeast
Page 20 of 21
Shetson
Parts list
Parts list
# Type Item number Manufacturer Name Quantity Unit
1 PV Module Trina Solar TSM-420-NEG9.28 72 Piece
VERTEX S+ 2022
2 Inverter GROWATT New MAX 25KTL3-XL 1 Piece
Energy Co., Ltd.
3 Battery System GROWATT New SPH 3000+GBLI6531 3 Piece
Energy Co., Ltd. (6.5kWh)
Page 21 of 21

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Shetson

Westpoint, 328 Bath Rd, Hounslow TW4 7HW,

Project Name: Shetson

Created with PV*SOL premium 2022 (R6)

Figure: Overview Image, 3D Design

Figure: Schematic diagram

PV Generator Energy (AC grid) with battery 27,575 kWh/Year

Own Power Consumption 57.1 %

CO₂ Emissions avoided 12,475 kg / year

Level of Self-sufficiency 47.7 %

Set-up of the System

Figure: 1. Module Area - Building 01-Roof Area Southeast

Horizon Line, 3D Design

Figure: Horizon (3D Design)

PV Generator Energy (AC grid) with battery 27,575 kWh/Year

Own Power Consumption 57.1 %

CO₂ Emissions avoided 12,475 kg / year

Total Consumption 33,006 kWh/Year

Solar Fraction 47.7 %

Figure: Energy flow

Figure: Use of PV Energy

Figure: Coverage of Consumption

Figure: Coverage of total consumption

Remuneration and Savings

FIT 2019 (Jan - Mar) Higher Rate - Generation tariff only -

SDC Example Energy Tariff (Example)

Figure: Development of energy costs

Figure: Accrued Cash Flow (Cash Balance)

Plans and parts list

Figure: Circuit Diagram

Figure: Overview plan

Figure: Building 01-Roof Area Southeast

Figure: Building 01-Roof Area Southeast

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