Banaban School Rabi (1233 Cakaudrove)
Specifications
Works & Maintenance
CO2 & $s
Contacts
Charge data
Term Reports
Procedures
The Banaban Primary School is on Rabi Island. From Suva that means an overnight ferry trip, two hours in a truck and a sea crossing the get to the school. Prior to solar the school had been running a generator for several hours each day and in the evenings during exams periods for night study. As well as fuel costs they have had issues with the generators needing repairs or replacement - they are now on to their third generator in in five years. Now they have solar, using the fuel savings the school leadership is keenly focused on building the schools’ capacity to deliver a modern education with electronic resources - recently purchasing laptops and projectors to facilitate modern education at the school. That and the now reliable 24 hour power is making serious difference at the school. The school has committed to spend 15 minutes each week picking up plastics – less waste and great learning for the kids. The school has also taken on other clean ups and village beautification projects including converting old bins and tyres into planter pots etc. The school has become a true community leader for sustainability on the island. Check out their website: https://www.banabanps.com/
Lead funding was seven shareholders from CWP Global lead by Michael Vawser (thanks Ed, Alex, Kam, Mark, Mike, Dimitar and Helen). Thanks to all our supporters The students, teachers, school management committee and the whole community send a big Vinaka Vakalevu – thank you. The project was installed June 2022.
Banaban School Rabi
Annual school fuel saving (litres) (1)
Annual fuel saving 1 teachers' homes getting solar (litres) (2)
Annual cartage saving (litres) (3)
Total annual fuel saving (litres) (4)
Fuel saving over 30 years (kgs)
Annual CO2 saving (kgs)
CO2 saving over 30 years (kgs)
Annual AUD saving (8)
Annual USD saving
Annual FJD saving
30 yrs AUD saving
30 yrs USD saving
30 yrs FJD saving
Total of All It's Time Solar Schools
Total annual school fuel saving (litres)
Total annual fuel saving 91 teachers' homes getting solar (litres)
Total annual cartage saving (litres)
Total annual fuel saving (litres) (4)
Total fuel saving over 30 years (litres)
Total annual CO2 saving (kgs)
Total CO2 saving over 30 years (kgs)
Total annual AUD saving (8)
Total annual USD saving
Total annual FJD saving
Total 30 yrs AUD saving
Total 30 yrs USD saving
Total 30 yrs FJD saving
Assumptions
Fuel cost in the islands in AUD/litre (5)
Fuel cartage consideration % (3)
Annual fuel consumption per teacher's home wired (litres) (2)
Annual generator maintenance consideration AUD (6)
CO2 produced per litre of fuel burned (kgs) (7)
AUD to USD conversion rate used
AUD to FJD conversion rate used
Notes
(1) This is the annual fuel consumption based on reporting from the school at the time of school survey and affirmed at the time of installation. It refers to direct fuel use by the school, not including teachers' homes.
(2) The fuel consumption of teachers' homes varies considerable between homes and over time. Their sources of energy varies from their own small generators to shared generators, still some use kerosene for lighting and some small solar (often failing) for lights and charging. Recently on Beqa Island two of the 7 households at one school were each using 10 litres of fuel per week and some were using very little. So, we have chosen the conservative underestimate of each household saving of 2 litres per week (approx. 5 kgs of CO2).
(3) Most schools have a cost to get fuel to the school - usually small boats and car/truck on the mainland. The costs vary from small amounts to some schools where the cartage cost is almost the same as the cost of the fuel itself. The cartage consideration (dollar and carbon cost) is a percentage of the total fuel consumption, because it varies widely from school to school we have chosen quite a conservative estimate.
(4) Includes cartage and teachers' home consumption estimate that therefore contribute to the total CO2 saving. But we do not include the teachers home in the financial saving - rather we just refer to the savings from the school generator.
(5) This is the current published diesel price in Fiji presented in AUD. Often the islands pay a higher price, but that is not factored in, so generally the price will be a small under estimation.
(6) Generators often require repairs and eventually replacement. That cost varies significantly from school to school, so a conservative value is applied to represent this component of cost/saving for all schools. It is not possible to calculate that accurately for every school, hence the estimate across all.
(7) Burning diesel produces CO2 at a rate of 2.68 kgs/litre, whereas petrol produces it at a rate of 2.31 kgs/litre. We have chosen 2.55 as the approximate for our calculations because there is more diesel used than petrol in the school generators.
(8) The fuel savings in the teachers' homes are not included in the calculation of financial savings for the school. Although teachers are asked to make a small contribution each term (FJD70) for their now 24-hour power and this goes to the school to buy more education resources.
Inverters
Inverter type
Charge controller
Panels
Panel type
Number of panels
Array (watts)
Mountings
Mountings
Brand
Batteries
Battery type
Number of batteries
Kilowatt hours
Batteries mounted
General electrical works
The school's wiring was very old and dangerous, so the school was rewired including the one teacher's home in the school precinct.
Partners
Solar contractor
General electric works constractor
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