Changelog

09 May 2025

Samoa 1-node and 2-node models added to Scenario Builder

Model scope

Base year: 2024
End year: 2050
Spatial resolution: Regionalised (2 nodes)
- Upolu (UP)
- Savai’i (SA)
Temporal resolution:
- Low resolution (24-hourly and yearly) - 1 Timeslice
- Medium resolution (3-hourly and 3-monthly) - 32 Timeslices

Data sourcing table

Input variable	Data source	Data standard
Demand profiles - current	Profile is generated using a profile from a proxy country (Indonesia).	Bronze
Demand profiles - future	Shape of the demand profile does not change in the future.	Bronze
Annual demand - current	Annual data from Samoa Energy Sector Plan FY2023/24-FY2027/28 zoned location in the highest resolution. Available for base year (2024)	Gold
Annual demand - future	Annual data from Samoa Energy Sector Plan FY2023/24-FY2027/28 zoned location in the highest resolution. Available for base year (2024)	Gold
Renewable profiles	renewables.ninja	Bronze
Renewable potentials	REZoning	Bronze
Power plant data - current (location, capacity, fuel, technology, start year, end year)	Top-down data at the regional level from Samoa Energy Sector Plan FY2023/24-FY2027/28	Silver
Power plant data - future	Top-down data at the regional level from Samoa Energy Sector Plan FY2023/24-FY2027/28	Silver
Technology costs - current	NREL ATB 2024	Bronze
Technology costs - future	NREL ATB 2024	Bronze
Commodity costs - current	Cost of electricity generation by power plant type from Samoa Energy Sector Plan FY2023/24-FY2027/28	Gold
Commodity costs - future	Constant prices	Bronze
Fuel reserves	[N/A]	[N/A]
Fuel processing capacity - current	[N/A]	[N/A]
Emissions targets	[N/A]	[N/A]
RE targets	Samoa Energy Sector Plan FY2023/24-FY2027/28 (70% by 2031)	Gold
Energy efficiency targets	[N/A]	[N/A]
Interconnector data - current (location, capacity, technology, start year, end year)	[N/A]	[N/A]
Interconnector data - future	[N/A]	[N/A]
Efficiency / Losses	NREL ATB 2024	Bronze
Minimum generation level	Default, technology-specific	Bronze
Planned outages / Availability	NREL ATB 2024	Bronze
Discount rate	Default (5%)	Bronze
WACC	IEA Cost of Capital Observatory	Bronze

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Samoa

Changelog

Model scope

Data sourcing table

​Changelog

​Model scope

​Data sourcing table

Changelog

Model scope

Data sourcing table