Energy Landscape and Renewable Energy Resources in Nigeria: A Review
Abstract
:1. Introduction
2. Methods
2.1. Literature Review Methodology
2.2. Methodology Limitations
3. Results
3.1. Energy Situation: Demand and Consumption in Nigeria
3.1.1. Energy Consumption
3.1.2. Energy Demand
3.2. Energy Resources: Supply and Production
3.2.1. Energy Supply Status
3.2.2. National Grid System
3.2.3. Power Generating Sets
3.2.4. Renewable Energy in Nigeria
Wind Energy
Hydropower Energy
Solar Energy
Bioenergy (Biomass)
3.2.5. Renewable Energy Resources-Cost Comparison
3.2.6. Overview of Technologies and Projects for Application in Nigeria
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Conflicts of Interest
References
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Electricity Demand Projections Per Scenario (MW) | |||||
---|---|---|---|---|---|
Scenario (GDP Growth %) | 2010 | 2015 | 2020 | 2025 | 2030 |
Reference (7%) | 15,730 | 28,360 | 50,820 | 77,450 | 119,200 |
High Growth (10%) | 15,920 | 30,210 | 58,180 | 107,220 | 192,000 |
Optimistic 1 (11.5%) | 16,000 | 31,240 | 70,760 | 137,370 | 250,000 |
Optimistic 2 (13%) | 33,250 | 64,200 | 107,600 | 172,900 | 297,900 |
Resource | Description/Information | Environmental Impact | Carbon Dioxide (LB/Million BTU) | Ref |
---|---|---|---|---|
Natural Gas | The mining of natural gas has the potential to leak vast amounts of methane (which is 34 times stronger than carbon dioxide) into the environment. | 117 | [23,24,25,26,27,28] | |
Oil |
| Plenty of energy is needed to produce and refine the oil. Pipeline oil spills also result in land, water and air pollution. Burning the oil afterward also adds to emissions. | 164 | [24,27] |
Coal |
| Due to their light-absorbing qualities, black carbon has harmful effects on the environment. | 208 | [23,24,25,27,30] |
Year | Partial Collapse | Total Collapse | Total System Collapse | Ref |
---|---|---|---|---|
2000 | 6 | 5 | 11 | [36,37] |
2001 | 5 | 14 | 19 | [36,37] |
2002 | 32 | 9 | 41 | [36,37] |
2003 | 39 | 14 | 53 | [36,37] |
2004 | 30 | 22 | 52 | [36,37] |
2005 | 15 | 21 | 36 | [36,37] |
2006 | 10 | 20 | 30 | [36,37] |
2007 | 8 | 18 | 27 | [36,37] |
2008 | 16 | 26 | 42 | [36,37] |
2009 | 20 | 19 | 39 | [36,37] |
2010 | 20 | 22 | 42 | [38] |
2011 | 6 | 13 | 19 | [38] |
2012 | 8 | 16 | 24 | [38] |
2013 | 2 | 22 | 24 | [38] |
2014 | 4 | 9 | 13 | [38,39] |
2015 | 4 | 6 | 10 | [38,39] |
2016 | 6 | 22 | 28 | [38,39] |
2017 | 9 | 15 | 24 | [38,39] |
2018 | 1 | 12 | 13 | [38,39] |
2019 | - | - | 11 | [39] |
Resource | Potential | Current Utilisation |
---|---|---|
Wind | 2–4 m/s ( 10 m height mainland) | N/A |
Small Hydropower | 3500 MW | 64.2 MW |
Large Hydropower | 11,250 MW | 1900 MW |
Solar | 4–6.5 kWh/m2.day | 15 MW (dispersed solar PV) |
Biomass | Municipal Waste | 0.5 kg/capita.day |
Energy Crops | 28.2 million hectares of arable land (8.5% cultivated) | |
Fuel Wood | 43.4 million tonnes/year (consumption) | |
Agricultural Residues | 91.4 million tonnes/year (produced) | |
Animal Waste | 245 million (assorted animals in 2001) |
Source | Bioenergy Potential (GJ/Year) |
---|---|
Municipal Solid Waste | 186 |
Energy Crops | 1700 × 106 |
Forestry and Wood Residues | 18 × 10−3 |
Agricultural Crop Residues | 604 × 106 |
Human Waste | 8 |
Animal Waste | 29 |
Food and Feed Processing Waste | Limited |
TOTAL | 2.3 × 109 |
Crop | Production (000t) | Component | Weigh Available in Million Tons | Total Energy Available (PJ) | Total Energy Available (GW) |
---|---|---|---|---|---|
Rice | 3368.24 | Straw | 7.86 | 125.92 | 34,977.8 |
Husk | 1.19 | 23 | 6388.9 | ||
Maize | 7676.85 | Stalk | 10.75 | 211.35 | 58,708.3 |
Cob | 2.1 | 34.19 | 9497.2 | ||
Husk | 0.92 | 14.32 | 3977.8 | ||
Cassava | 42,533.17 | Stalks | 17.01 | 297.68 | 82,688.9 |
Peelings | 76.56 | 812.3 | 225,638.9 | ||
Groundnut | 3799.25 | Shells | 1.81 | 28.35 | 7875 |
Straw | 4.37 | 76.83 | 21,341.7 | ||
Soybean | 365.06 | Straw | 0.91 | 11.27 | 3130.6 |
Pods | 0.37 | 4.58 | 1272.2 | ||
Sugar Cane | 481.51 | Bagasse | 0.11 | 1.99 | 552.8 |
Tops/Leaves | 0.14 | 2.21 | 613.9 | ||
Cotton | 602.44 | Stalk | 2.25 | 41.87 | 11,630.6 |
Millet | 5170.45 | Straw | 7.24 | 89.63 | 24,897.2 |
Sorghum | 7140.96 | Straw | 7.14 | 88.39 | 24,552.8 |
Cowpea | 3368.24 | Shell | 4.89 | 95.06 | 26,405.6 |
Total | 145.62 | 1958.94 | 544,150.2 |
Crop | Production (000 t) | Difference (%) | |
---|---|---|---|
2010 | 2018 | ||
Rice (paddy) | 4472.52 * | 6809.33 | +52.2% |
Maize | 7676.85 | 10,155.03 | +32.3% |
Cassava | 42,533.17 | 59,475.20 | +39.8% |
Groundnut | 3799.25 | 2886.99 | –24% |
Soybean | 365.06 | 758.03 | +107.7% |
Sugarcane | 849.90 * | 1423.09 | +67.4% |
Cotton | 602.44 | 270.53 | –55.1% |
Millet | 5170.45 | 2240.74 | –56.7% |
Sorghum | 7140.96 | 6862.34 | –3.9% |
Cowpea | 3368.24 | 2606.91 | –22.6% |
TOTAL | 75,978.84 | 93,488.19 | +23% |
Type | Population | Dry Matter Production Kg/Head/Day * | Amount of Dry Matter Produced Per Year Kg | Biogas Yield | |||
---|---|---|---|---|---|---|---|
Fraction Recoverable | Amount of Dry Matter Available Per Year Kg (×109) | m3/kg Dry Matter ** | Total Potential m3/Year (×109) | ||||
Cattle | 18,871,339 | 2.86 | 1.970 × 1010 | 0.3 | 5.91 | 0.2 | 1.182 |
Goat | 65,651,252 | 0.552 | 1.323 × 1010 | 0.4 | 5.292 | 0.25 | 1.323 |
Pig | 6,040,820 | 0.66 | 1.457 × 109 | 1 | 1.457 | 0.56 | 0.815 |
Sheep | 37,422,554 | 0.329 | 4.493 × 109 | 0.3 | 1.348 | 0.25 | 0.337 |
Chicken | 101,676,710 | 0.043 | 1.596 × 109 | 1 | 1.596 | 0.28 | 0.447 |
Duck | 9,553,911 | 0.05 | 0.177 × 109 | 0.9 | 0.159 | 0.56 | 0.089 |
Total | 15.762 | 4.193 |
Wastes | Gas Production (m3/kg) | % Volume |
---|---|---|
Cattle | 0.380 | - |
Pig | 0.569 | - |
Poultry | 0.617 | - |
Sewage | 0.265 | - |
Weeds | 0.277 | - |
Cattle + Pig (50:50) | 0.510 | +6 |
Cattle + Sewage (50:50) | 0.407 | +16 |
Cattle + Weeds (50:50) | 0.363 | +5 |
Poultry + Sewage (50:50) | 0.413 | +1 |
Poultry + Weeds (50:50) | 0.495 | +1 |
Sewage + Weeds (50:50) | 0.387 | +39 |
Technology | LCOE ($/kWh) | |
---|---|---|
On-grid | Hydropower | 0.05–0.07 |
Onshore Wind | 0.09–0.14 | |
Coal | 0.10 | |
Solar PV | 0.10–0.11 | |
Off-grid | Solar PV | 0.20 |
Diesel Generator | 0.30 | |
Gasoline Generator | 0.60 |
Case Study | Location | Description | Technology | Generation | Supply | Ref |
---|---|---|---|---|---|---|
Cows To Kilowatts Project | Ibadan, Nigeria | The “Cows to Kilowatts” Project aimed to reduce the water pollution levels and greenhouse gas emissions from slaughterhouse waste at the former Bodija Market Abattoir in Ibadan. Approximately 1000 cows were slaughtered per day. This has the potential to provide 1500 cubic metres of biogas which is 900 cubic metres of methane [73]. As a result, almost 5400 cylinders of cooking gas per month are generated. Some of the project sales points were selling the cooking gas to the community (~5400 households) at a lower price point and transforming the sludge produced by the reactor into fertiliser that is used by farmers | 3000 m3 anaerobic fixed-film bioreactor, designed to capture 1800 m3 of methane | 3600 kWh per day | 5400 households | [74]. |
Potential Of Off-Grid Solar PV/Biogas System | Ado Ekiti, Nigeria | Using an optimal design and techno-economic analysis, a study by Sanni et al. (2019) presents an off-grid solar PV and biogas power generation system for a slaughterhouse in Ado Ekiti, Nigeria. Approximately 25 cows are slaughtered per day, which can yield a biomass supply of 1150 kg/day. The area has an annual average daily radiation of 4.93 kWh/m2/day. The daily load requirement of the facility is 164 kWh. Simulation results from HOMER software present the optimal PV/biogas/battery/converter system | 20 kW PV, 20 kW biogas generator, 15 kW inverter and 16 Trojan IND 17-6 V batteries | n/a | n/a | [75]. |
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Eweka, E.E.; Lopez-Arroyo, E.; Medupin, C.O.; Oladipo, A.; Campos, L.C. Energy Landscape and Renewable Energy Resources in Nigeria: A Review. Energies 2022, 15, 5514. https://doi.org/10.3390/en15155514
Eweka EE, Lopez-Arroyo E, Medupin CO, Oladipo A, Campos LC. Energy Landscape and Renewable Energy Resources in Nigeria: A Review. Energies. 2022; 15(15):5514. https://doi.org/10.3390/en15155514
Chicago/Turabian StyleEweka, Ebuwa Elisabeth, Enrique Lopez-Arroyo, Christian Oluwaremilekun Medupin, Abiola Oladipo, and Luiza Cintra Campos. 2022. "Energy Landscape and Renewable Energy Resources in Nigeria: A Review" Energies 15, no. 15: 5514. https://doi.org/10.3390/en15155514