References oFF-grid

Raach Solar installs off-grid photovoltaic systems in a wide variety of configurations.
Here you will find some references to projects we have implemented.

Battery Storage Systems (AC Solar Home Systems)

grid parallel solar system with grid tie inverter, TESLA Powerwall lithium battery.
Power rating: 20 kWp
Battery capacity: 26 kWh
Installation: solar modules installed on flat roof with 10° angle
Customer: private customer
Ulm, Germany
off grid solar system with grid tie inverter, battery and DC/AC inverter-charger
Power rating: 15 kWp
Battery capacity: 50 kWh
Installation: solar modules installed on the flat roof
Customer: supermarket
Freetown, Sierra Leone
off grid solar system with grid tie inverter, battery and DC/AC inverter-charger 
Power rating: 15 kWp
Battery capacity: 10 kWh
Installation: solar modules installed parallel to the roof
Customer: school and orphanage
Dire Dawa, Ethiopia
grid parallel solar system with grid tie inverter, battery and DC/AC inverter-charger.
Power rating: 9,9 kWp
Battery capacity: 26 kWh
Installation: solar modules installed on flat roof with 15° angle
Customer: commercial company
Kassel, Germany
off grid solar system with charge controller, battery and DC/AC inverter
Power rating: 0,5 kWp
Battery capacity: 2,4 kWh
Installation: solar modules installed parallel to the roof
Customer: private customer
Freetown, Sierra Leone

Photovoltaic pumping Systems

independent submersible pumping system.
Power rating: 0,6 kWp
Pump: 10m head, 5m³/h
Installation: pump installed in horizontal position in a river for children playground.
Customer: Stadt Heidenheim
Heidenheim, Germany
independent submersible pumping system.
Power rating: 0,6 kWp
Pump: 40m head, 2,5m³/h
Installation: CU200 switch box connected to level sensor which stops pump when water tank is full.
Customer: Farmer
Ouagadougou, Burkina Faso
independent submersible pumping system.
Power rating: 2 kWp
Pump: 5m head, 8m³/h
Installation: CU200 switch box with level sensor to drain rain water outof waste disposal site.
Customer: industrial customer
Munich, Germany
independent submersible pumping system.
Power rating: over 2000 x systems in the range between 4 kWp to 20 kWp
Pump: over 2000 x pumps 5m to 100m head, 8m³ to 30m³ /h 
Installation: solar modules installed on ground to supply pump for farmland irrigation.
Customer: gouvernment authority
Dhaka, Bangladesh
independent submersible pumping system.
Power rating: over 5000 x systems in the range between 2 kWp to 5 kWp
Pump: over 5000 x pumps 5m to 100m head, 1,2m³ to 8m³ /h
Installation: solar modules installed on ground to supply pump for farmland irrigation, partially with water tanks.
Customer: private solar company
Lagos, Nigeria

Village Power Systems – AC Mini Grids (30kWp to xMWp)

grid connected string inverter to charge batteries for an AC mini grid.
Power rating: 100 kWp
Battery capacity: 114 kWh
Installation: solar modules installed in parallel to several roofs
Customer: Non Governmental Organization (NGO), primary school
Freetown, Sierra Leone
grid connected string inverter to charge batteries for an AC mini grid.
Power rating: 100 kWp
Battery capacity: 200 kWh
Installation: solar modules installed on ground
Customer: public customer, municipality
Yaoundé, Cameroun
grid connected string inverter to charge batteries for an AC mini grid.
Power rating: 100 kWp
Battery capacity: 466 kWh (lithium)
Installation: solar modules installed on a steel car port with concrete foundations.
Customer: German development organization, Delhi Electricity Company
New Delhi, India
grid connected string inverter to charge batteries for an AC mini grid.
Power rating: 12 kWp
Battery capacity: 50 kWh
Installation: solar modules installed on a container with concrete foundations.
Customer: Non Governmental Organization (NGO)
Ouagadougou, Burkina Faso
grid connected string inverters, inverter chargers and batteries for an AC mini grid, 60Hz.
Power rating: 30 kWp
Battery capacity: 115 kWh
Installation: solar modules installed parallel to the roof
Customer: Non Governmental Organization (NGO), orphanage
Tegucigalpa, Honduras

Solar Power Supplies for Telecom Stations

off grid solar system with charge controller, 48VDC battery and DC/AC inverter
Power rating: 31 x sites each 7,2 kWp = 223,2 kWp
Battery capacity: 31 x sites each 50 kWh = 1,55 MWh
Installation: solar modules installed on ground to power telecom equipment
Customer: private satellite company
Ouagadougou, Burkina Faso

cathodic corrosion protection systems (oil & gas)

off grid solar system with charge controller, 48VDC battery and DC/AC inverter
Power rating: 10 x sites each 14 kWp = 140 kWp
Installation: solar modules installed on ground to power cathodic protection controller for oil pipelines.
Customer: private oil company
Bagdad, Iraq

Solar Streetlights

solar powered LED streetlight charge controller and automatic on/off function.
Power rating: 160 x units 80 Wp, 160 x 45W LED
Installation: solar modules installed on 11m steel poles with charge controller and batteries.
Customer: construction company
Freetown, Sierra Leone

Cold chain refrigeration & freezer systems

off grid solar system with charge controller, battery and DC/AC inverter-charger. 
Power rating: 6,6 kWp
Battery capacity: 109 kWh
Storage capacity: 30 m³
Installation: solar modules installed on an open building with concrete foundations.
Customer: German development organization 
Storage capacity: 30 m³
Dakar, Senegal
PV hybrid system made out of grid connected string inverters, inverter chargers and batteries including 10kVA diesel generator.
Power rating: 19 kWp
Battery capacity: 237 kWh
Storage capacity: 120 m³
Installation: solar modules installed on a steel car port with concrete foundations.
Customer: Ministry of Agriculture, German development organization
Storage capacity: 120 m³
Ouagadougou, Burkina Faso

Solar Home Systems

DC battery charging with auxiliary battery inverter for single phase 230VAC output
Power rating: 15 x 750 Wp
Installation: solar modules installed on a multi-storey building roof. Battery box with electronics on ground floor to power staircase and outdoor lighting. 
Customer: construction company
Banjul, Gambia

Hybrid Photovoltaic Power Plants (>5 MWp)

Photovoltaic Wind Battery Diesel generator hybrid independent photovoltaic power plant.
Power rating: 30 MWp / 27 MVA
Battery capacity: 23 MWh
Installation: On ground solar power plant as independent electric grid.
Customer: SPC
Port Suakin, Sudan
Photovoltaic Wind Battery Diesel generator hybrid independent photovoltaic power plant.
Power rating: 7,7 MWp / 7,5 MVA
Battery capacity: 6 MWh
Installation: On ground solar power plant as independent electric grid.
Customer: Port Sudan Harbour Authority
Live Stock Port, Sudan