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Solar + BESS Sizing Tool · Restricted Access
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Minalav · Solar + BESS Optimizer
25-Year NPV Sizing Tool
Configuration
Tender & Financial Inputs
Solar Profile
PVsyst Hourly Export (.xlsx)
Column E, rows 14–8773 · kW · leave blank to use built-in default profile
DC Capacity of PVsyst Run
MWp
Tender Parameters
Contracted Capacity
MW
Max Shortfall
%
Max Direct CUF
%
Battery Augmentation
Augmentation Interval
Every 4 years (Yrs 5,9,13,17,21)
Every 5 years (Yrs 6,11,16,21)
Every 3 years (Yrs 4,7,10,13,16,19,22)
CAPEX Inputs
Solar CAPEX
Cr/MWp
BESS CAPEX
Cr/MWh
Augmentation CAPEX
(blank = same as BESS)
Cr/MWh
Financial Parameters
Solar Points
10 — Fast (~2 min)
20 — Precise (~4 min)
5 — Quick test
▶ Run Optimizer
☀️🔋
Configure inputs and click Run Optimizer
Results will appear here · Excel downloads automatically
Optimising Solar + BESS sizing…
This takes approximately 2 minutes. Please wait.
Optimal Sizing
Solar DC
—
MWp
BESS Power
—
MW nameplate
BESS Energy
—
MWh nameplate
Augmentation Schedule
Start of Year
MW Added
MWh Added
25-Year Dispatch Summary
⬇ Download Full Excel Report
Year
Eff BESS MW
Solar MWp
GWh
Shortfall %
CUF %