ROI Estimator

Estimate the payback on a BESS deployment.

Adjust the assumptions below to see how peak shaving, wholesale arbitrage, demand response, and carbon tax avoidance combine into an annual revenue estimate.

Connection
BESS System
kW
kWh
S$
%
%
Revenue Assumptions
kW
S$/kW/month
cycles
S$/MWh
hrs
S$/MWh
S$/tCO2e
tCO2e/MWh

Estimated Annual Value

S$181,801
Total Annual Revenue
6.6
Simple Payback (Years)
-S$91,174
10-Year NPV @ 8%
6.2%
10-Year IRR
53%
35%
8%
Peak shaving S$96,000 Arbitrage S$64,240 Demand response S$15,000 Carbon avoidance S$6,561
Payback with Section 19A allowance (17%): 5.5 years
Payback with illustrative 50% grant scenario: 2.2 years
Illustrative estimate only, not a quotation. Actual returns depend on site conditions, tariff structure, and manufacturer pricing at the time of a formal proposal.

10-Year Projection

YearCapacity FactorYear RevenueCumulative RevenueCumulative Cash Flow
1100.0%S$181,801S$181,801-S$1,018,199
297.5%S$177,255S$359,056-S$840,944
395.1%S$172,824S$531,880-S$668,120

See the full 10-year projection modelled for your site.

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