Admin Request for Inspection REA Solar Mini Grid

Application for REA Solar Mini-Grid Project
REA Code REA-NEP-MG
REA LOT Number 4
REA-NEP-MG PBG
Inspectorate Field Office closest to site location Akure
Register as Corporate
NEMSA Certificate Number CC/CIEF/PR/00058
First Name Francis
Last Name Muoneke
Position Project Engineer
Phone 08039488315
Email fmuoneke@cesel.com.ng
Address

52A Campbell Street (4th floor), Lagos.

State Lagos
Company Name COMMUNITY ENERGY SOCIAL ENTERPRISE LIMITED
Company Email ptolani@cesel.com.ng
Company Phone +2348100000127
Tax Registration Number 18411141
Address

52A Campbell Street (4th floor), Lagos.

State Lagos
Name of the Village/Community Osi
State Osun
Local Government Area Ife South
Number of Inhabitants 2000
GPS Coordinates N 07.32270° E004.53818°
Site Address/Detail Description

Osi is a small rural community situated in Ife South of Osun State, off Ife-Ondo road, South-Western region, Nigeria. The community stretches to about 1.2km with clustered households in two different segments in the community. The population of the community is approximately 2000 residents, including children.

Osi’s main industries is farming; especially cocoa farming, palm oil milling and trading.

Activities Business Activity, Educational Facility, Health Care Facility, Residential
Total Solar PV Installed (kWp) 44
Total Solar PV Energy Produce Per Day (kwh) 243
Total Storage Capacity (kwh) 135
Total Load/Energy Requirement (kWh) 202
Storage Technology/Manufacturer Lithium Ion Storage/ Alpha ESS
Type of Coupling (AC/DC) DC
Generator Rated Power (kVA) 30
Year of Construction 2022
Fuel Type Diesel
Generator Model/Manufacturer 4D24TG2/A / Mikano
Operation Automatic
Date of Installation of Mini-Grid August 21, 2023
Date of Application September 17, 2023
Mini-Grid Owner (Full Name) CESEL-CONCERTO JV
Phone +2348100000127
Email ptolani@cesel.com.ng

Manufacturer JA SOLAR
Model JAM72S30-545/MR
Technology 11BB PERC CELLS
STC power (Wp) 545
Number of Cells 144
MPPT Current 13.04
MPPT Voltage 41.80

Module catalogue # 81
Number Series | Parallel 3|3
Total Power (Wp) 44,145
Fuse (A) 1,125
Surge Protection Device Schneider DC SPD
Converter Catalogue 9
Cable cross-section 6sqm

Manufacturer Voltronic Power
Model Axpert King 5K
Technology Off-Grid Inverter
Rated Power 5kVA
Rated Voltage 220V
Rated Current 22.7A

Manufacturer Alpha ESS
Model M48112-P
Technology Lithium Ion
Cell Voltage (V) 3.2
Battery Voltage 48
C10 Capacity 4.9kWh
Charge Voltage 54.5

Module Catalogue # 25
Number Series | Parallel |4
Total C10 capacity [kWh] 122.5
Fuse rating [A] 125A
Date of cell production December 13, 2022
Date of installation August 21, 2023
Cable cross-section [mm²] 35
General comments 4 batteries are connected in parallel, and 1 BMU controls 2 strings of 4 batteries connected in parallel. There are 3 BMUs and 1 Master BMU that monitors the 3 BMU.

PV Generator Expected open circuit voltage [V]
String Number 3
Value 139V
PV Generator Measured open circuit voltage [V]
String Number 3
Value 138V
PV Generator Expected load circuit voltage [V]
String Number 3
Value 136V
PV Generator Connectors properly connected under no mechanical strain
String Number 3
Value Connectors were properly connected

Inverter/Charge Controller General visual inspection observations
String Number 9
Reference There are 9 units of 5kVA inverters, connected in parallel giving a total of 45kVA
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 9
Reference Breakers and Changeover switch can isolate load from source.
Inverter/Charge Controller All Inverters/Charge controller operating correctly?
String Number 9
Reference The inverters have inbuilt MPPT charge controller and they are all working properly
Inverter/Charge Controller Inverter/charge controller protection settings and installer details displayed on site?
String Number 9
Reference The Inverter has a display screen, making it easy to configure the settings and troubleshoot

Battery Storage General visual inspection observations
String Number 4
Reference 4 batteries are connected in parallel, and 1 BMU controls 2 strings of 4 batteries connected in parallel. There are 3 BMUs and 1 Master BMU that monitors the 3 BMU.
Battery Storage Wiring properly done without visual deficits
String Number 4
Reference Wiring was properly done, and lugs firmly terminated.
Battery Storage State of charge (If applicable state of health)
String Number 4
Reference Battery Monitoring Unit (BMU) shows the battery state of charge
Battery Storage Deep discharge protection, over-charge protection and temperature monitoring installed and functional
String Number 4
Reference BMU and Inverter monitors the battery level and temperature, and prevents it from over-discharging.

General Safety/Security Inverter protection settings programmed to local requirements?
Reference Inverter meets local requirement (220V, 50Hz) and can handle surge current twice its capacity
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?
Reference Breakers and Changeover switch can isolate load from source.
General Safety/Security All Inverters/Charge controller operating correctly?
Reference The inverters have inbuilt MPPT charge controller and they are all working properly
Official Letter of Request https://nemsa.gov.ng/wp-content/uploads/formidable/67/NEMSA-Letter-of-Request.pdf
PV System https://nemsa.gov.ng/wp-content/uploads/formidable/67/540Wp-545Wp-JAM-Solar-Panels.pdf
Charge Controller or Grid-tie Inverter https://nemsa.gov.ng/wp-content/uploads/formidable/67/Inverter.pdf
Combiner Boxes https://nemsa.gov.ng/wp-content/uploads/formidable/67/45kVA-SLD.pdf
Battery System https://nemsa.gov.ng/wp-content/uploads/formidable/67/5.4kWh-Li-Fe-Battery-Data-Sheet.pdf
Earthing & Surge Protection System https://nemsa.gov.ng/wp-content/uploads/formidable/67/45kVA-SLD-1.pdf
User ID Francis Muoneke