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Exploring Technically Feasible and Economically Viable Hybrid Renewable Energy Solution for Off-Grid Electricity Supply Titl Cover

Exploring Technically Feasible and Economically Viable Hybrid Renewable Energy Solution for Off-Grid Electricity Supply Titl

Open Access
|Feb 2022

Figures & Tables

Figure 1.

Principle of parabolic trough solar collector

(Source: “Solar Power – Photovoltaics or Solar Thermal Power Plants?” Oct2001)
Principle of parabolic trough solar collector (Source: “Solar Power – Photovoltaics or Solar Thermal Power Plants?” Oct2001)

Figure 2.

Principle of parabolic trough solar power plant

(Source: “Solar Power – Photovoltaic or Solar Thermal Power Plants?”, October 2001)
Principle of parabolic trough solar power plant (Source: “Solar Power – Photovoltaic or Solar Thermal Power Plants?”, October 2001)

Figure 3.

Solar PV array
Source: (“Energy savings Engineering” http://www.energysavingsengineering.com, March, 2017)
Solar PV array Source: (“Energy savings Engineering” http://www.energysavingsengineering.com, March, 2017)

Figure 4.

PWM Charge Controller and PWM Power Curve

(Source: “Comparing PWM & MPPT Charge Controllers”, 2015)
PWM Charge Controller and PWM Power Curve (Source: “Comparing PWM & MPPT Charge Controllers”, 2015)

Figure 5.

MPPT Charge Controller and MPPT Power Curve

(Source: “Comparing PWM & MPPT Charge Controllers”, 2015)
MPPT Charge Controller and MPPT Power Curve (Source: “Comparing PWM & MPPT Charge Controllers”, 2015)

Figure 6.

Yearly Average of Daily Sums of Global Horizontal Irradiation of Nigeria

(Source: “Soda -solar radiation data, Available at http://www.soda-pro.com/maps”, February 2017).
Yearly Average of Daily Sums of Global Horizontal Irradiation of Nigeria (Source: “Soda -solar radiation data, Available at http://www.soda-pro.com/maps”, February 2017).

Figure 7.

Flow Diagram of the Study
Flow Diagram of the Study

Figure 8.

Design of the Selected Renewable Energy Technology for the System
Design of the Selected Renewable Energy Technology for the System

Figure 9.

Daily Load Profile of Ofubu village
Daily Load Profile of Ofubu village

Figure 10.

Solar energy profile at Ofubu village
Solar energy profile at Ofubu village

Figure 11.

System architecture and cost summary
System architecture and cost summary

Figure 12.

Monthly Distribution of the Electricity Produced in kW
Monthly Distribution of the Electricity Produced in kW

Figure 13.

Cash flow summary based on the selected components
Cash flow summary based on the selected components

SPV OPTIMIZED RESULT

QuantityValueUnits
Rated Capacity30.00kW
Mean Output4.56kW
Mean Output109.39kWh/d
Capacity Factor15.19%
Total Production39,926.00kWh/yr
Minimum Output0.00kW
Maximum Output29.2kW
PV Penetraition135%
Hours of Operation4,418hrs/yr
Levelized Cost26.4 kWh

OPTIMIZED TOTAL SYSTEM COST

ComponentCapital Replacement O&M Fuel Salvage Total
CELLCUBE® FB 10-40 1,500,000.00 298,183.00 16,228.00 0.00(153,314.00) 1,661,097.00
Converter 200,000.00 48,329.00 1,084.00 0.00(7,571.00) 241,842.00
Generic flat plate PV 11,400,000,00 0,00 16,228.00 0,00 0,00 11,416,228.00
Ofubu D/Genset 224,000.00 0.00 835,360.00 2,252,543.00(18,808.00) 3,293,095.00
Other 2,500,000.00 0.00 1,947,487.00 0.00 0.00 4,447,437.00
System 15,324,000,00 346,512,00 2,816,337.00 2,252,543,00(179,693,00) 21,059,749.00

DG OPTIMIZED RESULTS

QuantityValueUnits
Hours of Operation1,374hrs/yr
Number of Starts316starts/yr
Operational Life63.8yr
Capacity Factor5.36%
Fixed Generation Cost84.4 /hr
Marginal Generation Cost41.0 /kWh
Fuel Consumption1,338.00L
Specific Fuel Consumption0.37L/kWh
Fuel Energy Input13,558.00kWh/yr
Mean Electrical Efficiency27.50%
Electrical Production3,755.40kWh/yr
Mean Electrical Output2.73kW
Minimum Electrical Output2.00kW
Maximum Electrical Output8.00Kw

EMISSIONS

Emissions
PollutantEmissionsUnits
Carbon dioxide3655kg/yr
Carbon monoxide9kg/yr
Unbuned hydrocarbons1kg/yr
Partiuiole mattar1kg/yr
Sulfur dioxide7kg/yr
Nitrogen oxides81kg/yr

DETAILS OF OFUBU VILLAGE

PARTICULARSDETAILS
Village NameOfubu (New Patani)
Nearby TownPatani
Local Government AreaSagbama
StateBayelsa
CountryNigeria
Latitude5ol3.7’N
Longitude6ol2.2’E
Area of Village (in hectares)300
Forest land (in hectares)>180
River available1
Water facility2
Grid Electricity0
Number of households30
Total population109
No. Males48
No. Females61
Educational facilities (Primary school)1
Medical Facilities0

OPTIMAL LEAST COST HYBRID SYSTEM FOR THE CASE STUDY

ProductionkWh/r%
Generic flat plate PV39,92691.40
Ofubu D/Genset3,7553.60
Total43,63110O.OO

BEST HYBRIDS AND SPV ONLY – PARAMETERS

ConfigurationUnitBest HybridSPV only
Diesel priceN/L1500
Solar PVkW3040
Batteries-CELLCUBE® FB 10-4(Strings)310
ConverterkW1010
Total Capital CostN11,400,00022,900,000
Total NPCN21,059,72425,447,960
Total Annual Capital CostN/yr1,462,5612,116,573
Total Annual Replacement CostN/yr32,02796,334
Total O&M CostN/yr260,310187,100
Total Fuel CostN/yr208,1950
Total Annual CostN/yr1,946,4842,352,073
Operating CostN/yr483,921235,500
COEN/kWh66.04479.823
PV ProductionkWh/yr39,926 (91%)53,234 (100%)
Diesel GeneratorkWh/yr3,755 (9%)0
Total Electrical ProductionkWh/yr43,68153,234
AC Primary LoadkWh/yr29,47229,466
Unmet LoadkWh/yr511
Excess ElectricitykWh/yr3,51511,258
Capacity ShortagekWh/yr1429

ESTIMATED ELECTRICITY DEMAND FOR OFUBU VILLAGE

S/NLoadNo. In UsePower (Watts)/UnitNo. In Use x Power (Watt)Hrs/DayWatt-Hrs/Day
1Low-energy Lights608480209600
2Security Light50189001210800
3Street light4100400124800
4Ceiling Fan2030600106000
5Standing Fan5157510750
6Refrigerator260012001518000
7Television4100400187200
8Radio2010200122400
9Water pump1745.6745.642982.4
10Local Palm Oil processing machine2745.61491.2811929.6
11Cassava Grinding Machine1745.6745.685964.8
12Others(Phone & Small devices) 200204000
TOTAL 84426.8
Average 80760.13
Language: English
Page range: 9 - 22
Published on: Feb 21, 2022
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2022 Omorogiuwa Eseosa, Ekiyor Martin Thompson, published by Xi’an Technological University
This work is licensed under the Creative Commons Attribution 4.0 License.