Investor Presentaiton
Minigrids
A $1.1M) MINIGRID AT THIS SITE GENERATES A15% PROJECT IRR, SAVES
$110,000/YEAR AND PROVIDES BETTER SERVICE
Proposed Solution
■ Levelized cost of electricity is $0.40/kWh
Minigrid with 470 kW solar, 668 kWh
battery, and 220 kW diesel backup can
meet overlapping load of residential and
commercial loads
5 km low-voltage distribution system
■ Upfront capital cost of $1.1 million
Project Economics
kW
Predictable $31,000 monthly revenue that
would grow over time
250
200
150
100
Onyen-Okpon Load
50
Customer Savings and Benefits
■ Customers save up to $0.12/kWh (#42/
kWh) compared with diesel self-
generation, or $0.03/kWh (#11/kWh)
compared to petrol
Customers save time and money usually
spent on operations and maintenance
Businesses significantly enhance
productivity with 95%+ system uptime
Commercial uses can scale up, with
enhanced economic flows to the
community coming from added value.
through additional cocoa processing
Source: RMI analysis
RURAL ELECTRIFICATION AGENCY
400
200
00:00
02:00
04:00
06:00
08:00
10:00
12:00
14:00
16:00
18:00
20:00
22:00
Minigrid Dispatch-Example Weekday
0 3
Optimal
System
Sizing
69 12 15 18 21 24
Generic flat plate PV Power Output
Autosize Genset Power Output
AC Primary Load
Generic 1kWh Lead Acid Discharge Power
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