Admin Request for Inspection REA Solar Mini Grid
| Application for | REA Solar Mini-Grid Project |
|---|---|
| REA Code | REA-NEP-MG |
| REA LOT Number | REA-NEP/MG/PBG/249/20 |
| REA-NEP-MG | PBG |
| Inspectorate Field Office closest to site location | Lagos(Oshodi) |
| Register as | Corporate |
| NEMSA Certificate Number | CC/CEIF/PR/05110 |
| First Name | Nsikan |
| Last Name | Akpan |
| Other Name | Imeobong |
| Position | Technical Lead |
| Phone | 08028621686 |
| akpan.nsikan@solad.co | |
| Address |
180B, Moshood Olugbani Street, Off Ligali Ayorinde, Victoria Island, Lagos. |
| State | Lagos |
| Company Name | Solad Integrated Power Solutions Limited |
| Company Email | Tito.akomolafe@solad.co |
| Company Phone | 08079111056 |
| Tax Registration Number | 207495170001 |
| Address |
180B, Moshood Olugbani Street, Off Ligali Ayorinde, Victoria Island, Lagos |
| State | Lagos |
| Name of the Village/Community | Ikenne |
| State | Ogun |
| Local Government Area | Ikenne |
| Number of Inhabitants | 700 |
| GPS Coordinates | 6.8698, 3.7095 |
| Site Address/Detail Description |
Ikenne Community Central Market, Ikenne, Ogun State. |
| Activities | Business Activity |
| Total Solar PV Installed (kWp) | 58.32 |
| Total Solar PV Energy Produce Per Day (kwh) | 151.63 |
| Total Storage Capacity (kwh) | 61.44 |
| Total Load/Energy Requirement (kWh) | 108 |
| Storage Technology/Manufacturer | Lithium/CALB |
| Type of Coupling (AC/DC) | DC |
| Generator Rated Power (kVA) | N/A |
| Year of Construction | 2022 |
| Other Generation Technology | None |
| Other Rated Power (kVA) | Nil |
| Other Model/Manufacturer | Nil |
| Date of Installation of Mini-Grid | September 30, 2022 |
| Date of Application | October 19, 2022 |
| Mini-Grid Owner (Full Name) | Solad Integrated Power Solutions Limited |
| Phone | 08079111056 |
| Tito.akomolafe@solad.co | |
| Manufacturer | JS Solar |
| Model | JS-270P-60 |
| Technology | Polycrystalline |
| STC power (Wp) | 270 |
| Number of Cells | 60 |
| MPPT Current | 70 |
| MPPT Voltage | 150 |
| Module catalogue # | JS-270P-60 |
| Number Series | Parallel | 3/3 |
| Total Power (Wp) | 58.32 |
| Fuse (A) | 126 |
| Surge Protection Device | Schneider Electric A9L40281 DIN rail |
| Converter Catalogue | Victron 5kVA Inverter |
| Cable cross-section | 6mm/25mm |
| Manufacturer | Victron Energy |
| Model | BlueSolar 150/70 MPPT Charge Controller |
| Technology | MPPT |
| Rated Power | 4000 |
| Rated Voltage | 150 |
| Rated Current | 70 |
| Manufacturer | CALB |
| Model | CA100 |
| Technology | Lithium |
| Cell Voltage (V) | 3.2 |
| Battery Voltage | 48 |
| C10 Capacity | 100 |
| Charge Voltage | 100 |
| Module Catalogue # | CALB CA100 Lithium Battery |
| Number Series | Parallel | 4/2 |
| Total C10 capacity [kWh] | 61.44 |
| Fuse rating [A] | 100 |
| Date of cell production | September 12, 2020 |
| Cable cross-section [mm²] | 35 |
| General comments | The Batteries are installed in different banks per Inverter System with a 2P4S (Four battery blocks in series in parallel with another four set of Blocks) |
| PV Generator | Expected open circuit voltage [V] |
| String Number | 1 |
| Value | 115.29 |
| PV Generator | Measured open circuit voltage [V] |
| String Number | 1 |
| Value | 98.75 |
| PV Generator | Expected load circuit voltage [V] |
| String Number | 1 |
| Value | 230 |
| PV Generator | Measured load circuit voltage [V] |
| String Number | 1 |
| Value | 229 |
| PV Generator | Expected short circuit current [A] |
| String Number | 1 |
| Value | 54.54 |
| PV Generator | Measured short circuit current [A] |
| String Number | 1 |
| Value | 48.96 |
| PV Generator | Measured ambient temperature [°C] |
| String Number | 1 |
| Value | 36.8 |
| PV Generator | Measured module temperature [°C] |
| String Number | 1 |
| Value | 39.7 |
| PV Generator | Measured solar insulation [W/m²] |
| String Number | 1 |
| Value | 650 |
| PV Generator | Alternatively, estimated insulation (cloudy, sunny, mist, …) |
| String Number | 1 |
| Value | Sunny |
| PV Generator | Expected power output [kW] |
| String Number | 1 |
| Value | 4.86 |
| PV Generator | Measured power output [kW] |
| String Number | 1 |
| Value | 3.25 |
| PV Generator | Measured insulation resistance [Mega Ohm] |
| String Number | 1 |
| Value | 0.0228 |
| PV Generator | Measured continuity to main equipotential bar [Ohm] |
| String Number | 1 |
| Value | 1.252Ω |
| PV Generator | Measured continuity to main equipotential bar [Ohm] |
| String Number | 1 |
| Value | 1.30Ω |
| PV Generator | Measured earth resistance of support structure [Ohm] |
| String Number | 1 |
| Value | 1.45Ω |
| PV Generator | Result of verification of measured values (OK, low, …) |
| String Number | 1 |
| Value | Ok |
| PV Generator | General visual inspection observations |
| String Number | 1 |
| Value | Installation and Connections are confirmed to be done according to standard |
| PV Generator | Surge Protective Devices functional (indicator at device)? |
| String Number | 1 |
| Value | Green (in good working condition) |
| PV Generator | Overcurrent protection operational (correct fuse rating)? |
| String Number | 1 |
| Value | overcurrent protection done with 32A and 63A Circuit breakers |
| PV Generator | String cables fixed and cables without damages |
| String Number | 1 |
| Value | All strings were properly connected according to standard |
| PV Generator | Connectors properly connected under no mechanical strain |
| String Number | 1 |
| Value | All connectors and connectors were properly done and confirmed to be well tightened. |
| PV Generator | Expected open circuit voltage [V] |
| String Number | 2 |
| Value | 115.29 |
| PV Generator | Measured open circuit voltage [V] |
| String Number | 2 |
| Value | 97.27 |
| PV Generator | Expected load circuit voltage [V] |
| String Number | 2 |
| Value | 230 |
| PV Generator | Measured load circuit voltage [V] |
| String Number | 2 |
| Value | 229 |
| PV Generator | Expected short circuit current [A] |
| String Number | 2 |
| Value | 54.54 |
| PV Generator | Measured short circuit current [A] |
| String Number | 2 |
| Value | 47.64 |
| PV Generator | Measured ambient temperature [°C] |
| String Number | 2 |
| Value | 36.1 |
| PV Generator | Measured module temperature [°C] |
| String Number | 2 |
| Value | 41.2 |
| PV Generator | Measured solar insulation [W/m²] |
| String Number | 2 |
| Value | 605 |
| PV Generator | Alternatively, estimated insulation (cloudy, sunny, mist, …) |
| String Number | 2 |
| Value | Sunny |
| PV Generator | Expected power output [kW] |
| String Number | 2 |
| Value | 4.86 |
| PV Generator | Measured power output [kW] |
| String Number | 2 |
| Value | 3.57 |
| PV Generator | Measured insulation resistance [Mega Ohm] |
| String Number | 2 |
| Value | 0.0215 |
| PV Generator | Measured continuity to main equipotential bar [Ohm] |
| String Number | 2 |
| Value | 1.252Ω |
| PV Generator | Measured earth resistance of support structure [Ohm] |
| String Number | 2 |
| Value | 1.42Ω |
| PV Generator | Result of verification of measured values (OK, low, …) |
| String Number | 2 |
| Value | confirmed to be Okay |
| PV Generator | General visual inspection observations |
| String Number | 2 |
| Value | Installation and Connections are confirmed to be done according to standard |
| PV Generator | Surge Protective Devices functional (indicator at device)? |
| String Number | 2 |
| Value | Green (in good working condition) |
| PV Generator | Overcurrent protection operational (correct fuse rating)? |
| String Number | 2 |
| Value | overcurrent protection done with 32A and 63A Circuit breakers |
| PV Generator | String cables fixed and cables without damages |
| String Number | 2 |
| Value | All string cables are confirmed to be in good working condition without any form of wear and tear |
| PV Generator | Connectors properly connected under no mechanical strain |
| String Number | 2 |
| Value | All connectors and connectors were properly done and confirmed to be well tightened. |
| Inverter/Charge Controller | General visual inspection observations |
| String Number | 1 |
| Reference | In good working condition |
| Inverter/Charge Controller | Inverter protection settings programmed to local requirements? |
| String Number | 1 |
| Reference | The protection settings is programmed to local requirement |
| Inverter/Charge Controller | When an RCD is installed to the AC circuit feeding an inverter, the RCD type shall be verified to ensure it has been selected according to the requirements of IEC 60364 |
| String Number | 1 |
| Reference | A 25Amps RCCB is installed on site |
| Inverter/Charge Controller | Means of isolating the inverter been provided on the AC side? |
| String Number | 1 |
| Reference | The inverter can be isolated from the Power output side to the customers by means of different 25Amps breaker |
| Inverter/Charge Controller | All Inverters/Charge controller operating correctly? |
| String Number | 1 |
| Reference | All inverters and Charge controller are operating correctly |
| Inverter/Charge Controller | Isolating and switching devices been connected such that PC installation is wired to the “load” side and the public supply to the “source” side? |
| String Number | 1 |
| Reference | A grid-Tied Inverter was not used for the installation and so this does not apply |
| Inverter/Charge Controller | Inverter/charge controller protection settings and installer details displayed on site? |
| String Number | 1 |
| Reference | All protection settings and details are displayed on site for Health and safety reasons |
| Inverter/Charge Controller | General visual inspection observations |
| String Number | 2 |
| Reference | In good working condition |
| Inverter/Charge Controller | Inverter protection settings programmed to local requirements? |
| String Number | 2 |
| Reference | The protection settings is programmed to local requirement |
| Inverter/Charge Controller | When an RCD is installed to the AC circuit feeding an inverter, the RCD type shall be verified to ensure it has been selected according to the requirements of IEC 60364 |
| String Number | 2 |
| Reference | A 25Amps RCCB is installed on site |
| Inverter/Charge Controller | Means of isolating the inverter been provided on the AC side? |
| String Number | 2 |
| Reference | The inverter can be isolated from the Power output side to the customers by means of different 25Amps breaker |
| Inverter/Charge Controller | Isolating and switching devices been connected such that PC installation is wired to the “load” side and the public supply to the “source” side? |
| String Number | 2 |
| Reference | A grid-Tied Inverter was not used for the installation and so this does not apply |
| Inverter/Charge Controller | All Inverters/Charge controller operating correctly? |
| String Number | 2 |
| Reference | All inverters and Charge controller are operating correctly |
| Inverter/Charge Controller | Inverter/charge controller protection settings and installer details displayed on site? |
| String Number | 2 |
| Reference | All protection settings and details are displayed on site for Health and safety reasons |
| Battery Storage | Wiring properly done without visual deficits |
| String Number | 1 |
| Reference | All wiring is correctly done without defects |
| Battery Storage | Tightening torque of all screws to connectors to the batteries and in between the cells of the batteries is according to the equipment manufacturer’s recommendations |
| String Number | 1 |
| Reference | All connections were confirmed to be done using the right amount of torque. |
| Battery Storage | Battery inverter or charge controller parameters are properly set (correct system configuration, date and time, control of the load shedding relays, reading of external temperature sensor verified, …) |
| String Number | 1 |
| Reference | All battery inverter and Charge controller settings were confirmed to be properly done |
| Battery Storage | State of charge (If applicable state of health) |
| String Number | 1 |
| Reference | The state of charge of battery was 95% as at the time of test |
| Battery Storage | Safety measures for the respective types of batteries applied |
| String Number | 1 |
| Reference | All safety measures for battery handling are given on the safety signs on site and on the site Operations and maintenance manual |
| Battery Storage | Deep discharge protection, over-charge protection and temperature monitoring installed and functional |
| String Number | 1 |
| Reference | The Battery Management Unit helps in protecting the batteries from deep discharge and over-charge |
| Battery Storage | Cell voltage |
| String Number | 1 |
| Reference | 3.25V |
| Battery Storage | Cell temperature |
| String Number | 1 |
| Reference | 24.1 degree Celsius |
| Battery Storage | Cell impedance |
| String Number | 1 |
| Reference | 0.9mΩ |
| Battery Storage | General visual inspection observations |
| String Number | 1 |
| Reference | The batteries were properly installed with Battery Management Units on each blocks and are all in good working condition |
| Battery Storage | General visual inspection observations |
| String Number | 2 |
| Reference | The batteries were properly installed with Battery Management Units on each blocks and are all in good working condition |
| Battery Storage | Wiring properly done without visual deficits |
| String Number | 2 |
| Reference | All wiring is correctly done without defects |
| Battery Storage | Tightening torque of all screws to connectors to the batteries and in between the cells of the batteries is according to the equipment manufacturer’s recommendations |
| String Number | 2 |
| Reference | All connections were confirmed to be done using the right amount of torque. |
| Battery Storage | Battery inverter or charge controller parameters are properly set (correct system configuration, date and time, control of the load shedding relays, reading of external temperature sensor verified, …) |
| String Number | 2 |
| Reference | All battery inverter and Charge controller settings were confirmed to be properly done |
| Battery Storage | State of charge (If applicable state of health) |
| String Number | 2 |
| Reference | 90% |
| Battery Storage | Safety measures for the respective types of batteries applied |
| String Number | 2 |
| Reference | All safety measures for battery handling are given on the safety signs on site and on the site Operations and maintenance manual |
| Battery Storage | Deep discharge protection, over-charge protection and temperature monitoring installed and functional |
| String Number | 2 |
| Reference | The Battery Management Unit helps in protecting the batteries from deep discharge and over-charge |
| Battery Storage | Cell voltage |
| String Number | 2 |
| Reference | 3.29V |
| Battery Storage | Cell impedance |
| String Number | 2 |
| Reference | 0.95mΩ |
| Battery Storage | Cell temperature |
| String Number | 2 |
| Reference | 24.4 Degree Celsius |
| General Safety/Security | General visual inspection observations |
| String Number | 1 |
| Reference | All equipment were installed properly |
| General Safety/Security | Inverter/charge controller protection settings and installer details displayed on site? |
| String Number | 1 |
| Reference | all safety measures are detailed on site |
| General Safety/Security | All Inverters/Charge controller operating correctly? |
| String Number | 1 |
| Reference | All inverters and Charge Controllers were properly installed |
| General Safety/Security | Isolating and switching devices been connected such that PC installation is wired to the “load” side and the public supply to the “source” side? |
| String Number | 1 |
| Reference | PV Inverters were not used for this installation and so does not apply |
| General Safety/Security | Means of isolating the inverter been provided on the AC side? |
| String Number | 1 |
| Reference | A Miniature Circuit Breaker (MCB) of 25Amps per stand-Alone system is used |
| General Safety/Security | When an RCD is installed to the AC circuit feeding an inverter, the RCD type shall be verified to ensure it has been selected according to the requirements of IEC 60364 |
| String Number | 1 |
| Reference | An RCCB is used in the Inverter AC Output and not AC input |
| General Safety/Security | Inverter protection settings programmed to local requirements? |
| String Number | 1 |
| Reference | The inverter is also programmed to trip off on different faults to protect the customer and Engineers/Technicians from any form of harm |
| Official Letter of Request | https://nemsa.gov.ng/wp-content/uploads/formidable/67/Request-for-Power-Services_-1-150×150.jpg |
| PV System | https://nemsa.gov.ng/wp-content/uploads/formidable/67/Panel-Technical-sheet-JSP270-1-150×150.jpg |
| Charge Controller or Grid-tie Inverter | https://nemsa.gov.ng/wp-content/uploads/formidable/67/Victron-Blue-Solar-Charge-Controller-Technical-details-1-150×150.jpg |
| Combiner Boxes | https://nemsa.gov.ng/wp-content/uploads/formidable/67/combiner-Box-Ikenne-design-1-150×150.jpg |
| Battery System | https://nemsa.gov.ng/wp-content/uploads/formidable/67/BATTERY-SPECIFICATION-CALB-CA100Ah-SHEET-1-150×150.jpg |
| Earthing & Surge Protection System | https://nemsa.gov.ng/wp-content/uploads/formidable/67/Ikenne-AC-box-and-Surge-Protection-SLD-1-150×150.jpg |
| User ID | Nsikan Akpan |