Home Solar lighting blog Case studies Offgrid internet access in Ghana

 

Offgrid internet access in Ghana

 

Bluetown is a company that deploys wifi communication networks in the most isolated areas of the planet. The energy is solar and the architecture is composed of a central satellite tower equipped with a multipoint transmitter and peripheral receivers within a perimeter of 15 km. Bluetown acts as an internet service provider and relies on local Telco networks. The targeted areas are all the world’s isolated populations (46% of the world’s population).

Installation offgrid au Ghana

An autonomous infrastructure

 

The central Bluetown transmitter is capable of powering 200 receiving points, also hotspots. Ghana has been selected to pilot a solution combining wifi and lighting. 20 access points are installed in Asankrangwa around the bus stop, then meshed up to the village limits.

 

Given the density of the population, the perimeter’s hotspot coverage is insufficient. The multiplication of receiving antennas serving as hotspots is complicated since they are off-grid and would therefore imply too high a cost. It is necessary to combine wifi access with a dense autonomous energy infrastructure such as solar lighting.

Installation offgrid au Ghana

A combined solution

 

Sunna proposes to adapt its autonomous street lamps to also feed wifi antennas. Given the controller architecture, an energy output can be dedicated to wifi. The reduced size of the Bluetown wifi antenna allows to integrate the hotspot invisibly. The public lighting thus combines two essential functions: energy autonomy and wireless networks allow to multiply the number of internet access points whatever the quality of the network and therefore everywhere. The two initial needs (lighting and communication) are combined in a single offer, in collaboration with local telecommunications players. Infrastructure investment becomes simpler, faster, more economical and involves the resource of local companies.

 

A pilot project

 

The client validated the technical feasibility during 6 months off-site and then another 6 months in Ghana. The positive result triggered the implementation of a pilot project of 20 equipped lighting poles in this village. 40 new hotspot poles will be installed in other regions of Ghana during 2020.

Year

 

2022
Location

 

Ghana
Client

 

Bluetown
Product(s) used

 

iSSL Maxi Road

Which products for this field of application ?

    Park and recreation Parking lot Path and crosswalk
    The iSSL+ is a reliable and robust stand-alone solar lighting solution, particularly suitable for pedestrian walkways, cycle paths and car parks. This innovative product offers a very simple and quick installation with unmatched performance and connected services such as Sunnap'. Do you have a similar project or any other project? Talk to our sales team!    
    Park and recreation Parking lot General Area
    The iSSL maxi Area is a reliable and robust stand-alone solar lighting solution, particularly suitable for area lighting, car parks and public squares. This innovative product offers a very simple and quick installation with unmatched performance and connected services such as Sunnap'.   Do you have a similar project or any other project ? Talk to our sales team!    
    Road and street Parking lot General Area
    iSSL Maxi Road is the most reliable and robust stand-alone solar lighting solution. This innovative product offers unparalleled performance and connected services with the SunnApp, and installs very quickly.   Do you have a similar project or any other project ? Talk to our sales team!    
    Lampadaire solaire Sunna Design iSSL+ noir Lampadaire solaire Sunna Design iSSL+ blanc
    Lampadaire solaire Sunna Design iSSL Maxi Area noir Lampadaire solaire Sunna Design iSSL Maxi Area blanc
    Lampadaire solaire Sunna Design iSSL Maxi Road Noir Lampadaire solaire Sunna Design iSSL Maxi Road blanc

    Specifications iSSL +

    Lighting
    Lighting power
    1800 to 3600 lumens
    Consumption
    10 W to 20 W
    Lighting efficiency
    Up to 1 lm/W
    Color temperature options couleur
    2700K, 3000K, 4000K & 5700K
    Lifespan
    50,000 hours IESNA LM-80 TM-21 certified
    * Available with motion sensor
    PHOTOVOLTAIC PANELS
    Technology
    Photovoltaïc modules (Monocrystalline silicon)
    Power
    50 Wc
    Lifespan
    25 years
    Battery
    Technology
    NiMH , battery, maintenance free, very high temperature resistance
    Capacity
    120 Wh
    Operating temperature range
    -40°C to +70°C
    Lifespan
    12 years
    General
    SCx
    0,16 m2
    Fixation
    Top mounting Ø60 mm
    Weight (without pole)
    13 kg

    Specifications iSSL Maxi Area

    Lighting
    Lighting power
    3600 to 7200 lumens
    Consumption
    20 W to 40 W
    Lighting efficiency
    Up to 180 lm/W
    Color temperature options
    2700K, 3000K, 4000K & 5700K
    Lifespan
    50,000 hours IESNA LM-80 TM-21 certified
    * Available with motion sensor
    Photovoltaic panels
    Technology
    Photovoltaïc modules (Monocrystalline silicon)
    Power
    80 Wc
    Lifespan
    25 years
    Battery
    Technology
    NiMH , battery, maintenance free, very high temperature resistance
    Capacity
    240 Wh
    Operating temperature range
    -40°C to +70°C
    Lifespan
    12 years
    General
    SCx
    0,147 m2
    Fixation
    Top mounting Ø60 mm
    Weight (without pole)
    19 kg

    Specifications iSSL Maxi Road

    Lighting
    Lighting power
    3600 to 7200 lumens
    Consumption
    20 W to 40 W
    Lighting efficiency
    Up to 180 lm/W
    Color temperature options
    2700K, 3000K, 4000K & 5700K
    Lifespan
    50,000 hours IESNA LM-80 TM-21 certified
    * Available with motion sensor
    Photovoltaic panels
    Technology
    Photovoltaïc modules (Monocrystalline silicon)
    Power
    80 Wc
    Lifespan
    25 years
    Battery
    Technology
    NiMH , battery, maintenance free, very high temperature resistance
    Capacity
    240Wh
    Operating temperature range
    -40°C to +70°C
    Lifespan
    12 years
    General
    SCx
    0,147 m²
    Fixation
    Top mounting Ø60 mm
    Weight
    19 kg

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