Difference between revisions of "PV-Diesel Hybrid Mini-Grid"
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One possibility to avoid high storage costs is to use the solar electricity only during daytime, with a small battery system for peak demands. At night or during rainy days the electricity is generated by the Diesel generator. | One possibility to avoid high storage costs is to use the solar electricity only during daytime, with a small battery system for peak demands. At night or during rainy days the electricity is generated by the Diesel generator. | ||
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= Experiences in Senegal = | = Experiences in Senegal = | ||
| − | + | ► Experience from [[Energising Development (EnDev)|EnDev]]. | |
| − | In [[ | + | In [[Senegal Energy Situation|Senegal]] EnDev disseminates PV-diesel hybrid mini-grids for the electrification of villages with up to 500 inhabitants or 40 households. |
<u>The systems consist of (approximate total cost including installation in brackets):</u> | <u>The systems consist of (approximate total cost including installation in brackets):</u> | ||
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*a PV array with a capacity of 5.1 kW<sub>p</sub>consisting of 30 polycrystalline [[Solar Cells and Modules|PV modules]] with a capacity of 170 W<sub>p</sub>each (15,000 €) | *a PV array with a capacity of 5.1 kW<sub>p</sub>consisting of 30 polycrystalline [[Solar Cells and Modules|PV modules]] with a capacity of 170 W<sub>p</sub>each (15,000 €) | ||
*a [[Batteries|battery]] bank consisting of 24 elements of 2 V of lead-acid tubular plate batteries; element capacity is 800 Ah C10 leading to a bank capacity of 38,4 kWh (15,000 €) | *a [[Batteries|battery]] bank consisting of 24 elements of 2 V of lead-acid tubular plate batteries; element capacity is 800 Ah C10 leading to a bank capacity of 38,4 kWh (15,000 €) | ||
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The 16 systems have a total PV capacity of 81.6 kW<sub>p</sub> and can generate 106.9 MWh per year. Electricity generation by the diesel generator is not included in this calculation. | The 16 systems have a total PV capacity of 81.6 kW<sub>p</sub> and can generate 106.9 MWh per year. Electricity generation by the diesel generator is not included in this calculation. | ||
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| + | <br/> | ||
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| + | = Experiences in Kenya = | ||
| + | |||
| + | ► Experience from Prosolar | ||
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| + | In Kenya, the GIZ project Promotion of Solar-Hybrid Mini-Grids (GIZ [https://www.giz.de/en/worldwide/25332.html ProSolar]) aims at promoting [[:Category:Mini-grid|mini-grid electrification]] of remote areas in [[Kenya_Energy_Situation|Kenya]] with the participation of private sector. The vision is to increase levels of cost-effective, affordable and sustainable rural electrification through private sector leadership. | ||
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| + | '''Achievements''' | ||
| + | |||
| + | - The Talek Power mini-grid is a pilot project set up in Talek in close cooperation with the Narok County Government and the German Agro Action. The mini-grid consists of a solar-hybrid generation power plant (40kWp solar), combining a storage system of 3.200 Ah, and a 12 kVA diesel generator. Commissioned in June 2015, the power plant delivers solar power to a rural business center and the community through a 3 km low voltage network. The community purchases electricity through a pay-as-you-go mobile money enabled metering technology. The project’s CAPEX (generation, distribution and metering system) cost was ca. 250.000 €. The pilot tests the social and economic viability of mini-grids and serves as a learning scheme for stakeholders. The mini-grid has improved the lives of the people of Talek, fostering economic development, education and improved health. | ||
| + | |||
| + | - Furthermore, an advanced training course has been developed for solar technicians, qualifying them to install hybrid solar systems in villages. The technicians receive their hands-on training at a 10kW solar-hybrid demonstration system, which was installed at Strathmore University. The demonstration training system was installed using the same technology as the one applied in Talek mini-grid, only in a smaller scale. | ||
| + | |||
| + | <br/> | ||
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*[[Portal:Solar|Solar portal on energypedia]]<br/> | *[[Portal:Solar|Solar portal on energypedia]]<br/> | ||
*[[Portal:Grid|Grid portal on energypedia]]<br/> | *[[Portal:Grid|Grid portal on energypedia]]<br/> | ||
| + | *[[:File:Mini-Grid Sizing Guidebook.pdf|Mini-Grid load assessment and system sizing handbook]] | ||
| + | *[[:File:Solar PV-diesel Hybrid Business Planning Checklist.pdf|Solar PV-diesel Hybrid Business Planning Checklist]]<br/> | ||
| + | *ProSolar handbooks: [[:File:GIZ2014-en-where-shall-we-put-it-kenya.pdf|Site selection]], [[Mini Grid Licensing|Mini Grid Licensing]], [[Mini-Grid Sizing|Mini-Grid Sizing]]. | ||
| + | *ProSolar 2016 factsheets: [[:File:2016 GIZ ProSolar brief Leading the way to rural electrification.pdf|ProSolar]] project, [[:File:Mini-Grids RBF Brochure.pdf|Mini-Grids Result Based Funding]] (RBF) project | ||
| + | *for [[Australia_Energy_Situation|Australia]]: Australian Renewable Energy Agency (ARENA) and Power and Water Corporation (PWC) [http://acep.uaf.edu/media/87693/SolarDieselGridHandbook.pdf Solar/Diesel Mini-Grid Handbook] (2013). | ||
<br/> | <br/> | ||
| + | |||
= References = | = References = | ||
| − | *[[ | + | *[[Energising Development (EnDev)|Energising Development (EnDev)]] |
<references /> | <references /> | ||
| Line 47: | Line 68: | ||
[[Category:PV_Mini-grid]] | [[Category:PV_Mini-grid]] | ||
[[Category:Mini-grid]] | [[Category:Mini-grid]] | ||
| + | [[Category:Rural_Electrification]] | ||
| + | [[Category:Renewable_Energy]] | ||
| + | [[Category:Kenya]] | ||
| + | [[Category:East_Africa]] | ||
[[Category:Solar]] | [[Category:Solar]] | ||
Latest revision as of 11:04, 8 May 2017
Overview
One possibility to avoid high storage costs is to use the solar electricity only during daytime, with a small battery system for peak demands. At night or during rainy days the electricity is generated by the Diesel generator.
Experiences in Senegal
► Experience from EnDev.
In Senegal EnDev disseminates PV-diesel hybrid mini-grids for the electrification of villages with up to 500 inhabitants or 40 households.
The systems consist of (approximate total cost including installation in brackets):
- a PV array with a capacity of 5.1 kWpconsisting of 30 polycrystalline PV modules with a capacity of 170 Wpeach (15,000 €)
- a battery bank consisting of 24 elements of 2 V of lead-acid tubular plate batteries; element capacity is 800 Ah C10 leading to a bank capacity of 38,4 kWh (15,000 €)
- a monophase generator of 10 kVA linked to the PV system (7000 €)
- a 5000 VA inverter (4,000 €)
- 220 Volts low voltage three phase AC distribution through a mini-grid (10,000 € per km; 2-3 km per village)
- system housing (6,000 €).
The total costs of installing a system is between about 70,000 € and 80,000 €.
The 16 systems have a total PV capacity of 81.6 kWp and can generate 106.9 MWh per year. Electricity generation by the diesel generator is not included in this calculation.
Experiences in Kenya
► Experience from Prosolar
In Kenya, the GIZ project Promotion of Solar-Hybrid Mini-Grids (GIZ ProSolar) aims at promoting mini-grid electrification of remote areas in Kenya with the participation of private sector. The vision is to increase levels of cost-effective, affordable and sustainable rural electrification through private sector leadership.
Achievements
- The Talek Power mini-grid is a pilot project set up in Talek in close cooperation with the Narok County Government and the German Agro Action. The mini-grid consists of a solar-hybrid generation power plant (40kWp solar), combining a storage system of 3.200 Ah, and a 12 kVA diesel generator. Commissioned in June 2015, the power plant delivers solar power to a rural business center and the community through a 3 km low voltage network. The community purchases electricity through a pay-as-you-go mobile money enabled metering technology. The project’s CAPEX (generation, distribution and metering system) cost was ca. 250.000 €. The pilot tests the social and economic viability of mini-grids and serves as a learning scheme for stakeholders. The mini-grid has improved the lives of the people of Talek, fostering economic development, education and improved health.
- Furthermore, an advanced training course has been developed for solar technicians, qualifying them to install hybrid solar systems in villages. The technicians receive their hands-on training at a 10kW solar-hybrid demonstration system, which was installed at Strathmore University. The demonstration training system was installed using the same technology as the one applied in Talek mini-grid, only in a smaller scale.
Further Information
- Solar Hybrid Systems
- Financing solar hybrid systems
- Solar portal on energypedia
- Grid portal on energypedia
- Mini-Grid load assessment and system sizing handbook
- Solar PV-diesel Hybrid Business Planning Checklist
- ProSolar handbooks: Site selection, Mini Grid Licensing, Mini-Grid Sizing.
- ProSolar 2016 factsheets: ProSolar project, Mini-Grids Result Based Funding (RBF) project
- for Australia: Australian Renewable Energy Agency (ARENA) and Power and Water Corporation (PWC) Solar/Diesel Mini-Grid Handbook (2013).
References
