⚡
Minalav
Decision Engine · Restricted Access
Email
Password
Sign In
Minalav · Secure Access
☀️
Minalav · Solar + 4Hr BESS Optimizer
Sizing Optimizer & Financial Modelling Tool
← Home
Sign Out
⚙ Technical Sizing
📊 Financial Model
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 Parameters
Augmentation Interval
(years between each)
yrs
Augmentation years: 5, 9, 13, 17, 21
Charging / Discharging Efficiency
%
Min State of Charge (DoD)
%
DoD = 1 − Min SoC%. At 5% min SoC, usable capacity = 95% of rated MWh.
CAPEX Inputs
Solar CAPEX
Cr/MWp
BESS CAPEX
Cr/MWh
Augmentation CAPEX
(blank = same as BESS)
Cr/MWh
Financial Parameters
Solar Points
20 — Standard (~2 min)
30 — Precise (~3 min)
40 — High Precision (~4 min)
▶ Run Optimizer
☀️🔋
Configure inputs and click Run Optimizer
Results will appear here · Excel downloads automatically
Optimising Solar + BESS sizing…
Estimated time: 3–5 minutes on server. 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
GWh
Shortfall %
CUF %
Inputs & Assumptions
Edit fields · outputs update live
Project Parameters
PPA Duration
Yrs
Useful Life
Yrs
Tariff
INR/kWh
REIA Rebate
INR/kWh
Early Payment Discount
%
Solar DC Capacity
MWp
BESS Upfront
MWh
Solar CAPEX
Module CAPEX (wo GST)
Cr/MWp
Module GST
%
BoS CAPEX (wo GST)
Cr/MWp
BoS GST
%
Battery CAPEX
Container FOB
$/kWh
Duties
%
Surcharge
%
Inverter
$/kWh
BOS
$/kWh
EPC
$/kWh
USD/INR Rate
INR/$
Aug CAPEX (% of orig)
%
Land
Land Requirement
Acre/MWp
Aggregation Cost
L/Acre
Annual Lease
INR/Acre
Lease Escalation
%/yr
Upfront Yrs
Yrs
NA Charges
INR/Ac
Stamp Duty
%
Project Costs
Soft Costs
% Hard CAPEX
Contingency
% Hard CAPEX
DSM Charges
% of Revenue
O&M & Auxiliary
Solar O&M
L/MWp/yr
Solar O&M Esc.
%/yr
BESS O&M
L/MWh/yr
BESS O&M Free
Yrs
BESS O&M Esc.
%/yr
Aux Consumption
kWh/MWh/d
Aux Tariff
INR/kWh
Financing
Debt % of CAPEX
%
IDC Rate
% p.a.
Interest Rate (Ops)
% p.a.
Loan Tenure
Yrs
Construction Period
Months
Days Receivable
Days
Days Payable
Days
▶ Repayment Schedule
click to expand
% of loan per year (must sum to 100%)
Taxation
Tax Rate
%
WDV Depreciation
%
▶ Run Model
—
⬇ Download Financial Statements
☀
Initialising…