Solar + BESS Hybrid Financial Modelling

1. System Capacity ▼

Target AC Capacity

Target DC Capacity

kWp

Panel Capacity

Panel Brand

Total Panels Required1,681

DC Loading Factor25.0%

Exact DC System Capacity1000.20 kWp

2. Solar Generation ▼

Specific Generation

kWh/kWp

1st Year Degradation

Linear Degradation

Daily Avg (per kWp)3.42 kWh/day

Avg Monthly Gen-- kWh

1st Year Generation-- kWh

Lifetime Gen. (25 Yrs)-- kWh

3. Tariffs & Revenue ▼

Grid Tariff

INR

Tariff Escalation

4. Open Access Charges & Losses ▼

Transmission Charges

INR

Wheeling Charges

INR

SLDC Charges

INR

Cross Subsidy Surcharge

INR

Additional Surcharge

INR

Transmission Losses

Wheeling Losses

5. Capital Cost ▼

Modules + BoS/I&C

/kWp

₹ 26.00 /Wp

TL Length

TL Cost

/KM

₹ 5.00 /Wp

GSS Bay

INR

₹ 2.50 /Wp

Land Reqd.

Acres/MW

Land Setup

Land Rate

/Acre

₹ 1.50 /Wp

Conn. & Approvals

/MW

₹ 1.00 /Wp

Solar Turnkey

/kWp

GST

Basic Project Cost--

GST Amount--

Total Project Cost--

6. Capital Structure ▼

Project Equity

Project Debt

Debt Interest

Debt Tenure

Yrs

Equity Amount--

Debt Amount--

Monthly EMI--

Yearly EMI--

Consider GST Return Benefit

GST Refund Delay

Months

Calculate Project & Equity NPV

Discount Factor (NPV)

Apply Tax Depreciation Shield

Depreciation Schedule

Corporate Tax Rate

Advanced Debt Modelling

Const. Period (IDC)

Mos

DSRA Requirement

Mos

7. BESS Integration

Storage Capacity

kWh

Cost per kWh

INR

Depth of Discharge

Round-Trip Effic.

Cycles / Day

Cy.

Annual Degradation

Cell Repl. Year

Cell Repl. Cost

⚡ Advanced BESS Charging

BESS Peak Premium

Charging Source

Dedicated Solar Capacity for BESS

100% = Build dedicated solar (added to CAPEX, free charging)
0% = Use existing solar generation (charged at Solar LCOE - opportunity cost)
Mixed = Partial dedicated + partial from existing

Dedicated Solar Built for BESS 0 kWp

Annual BESS Charging Cost ₹ 0

8. O&M and Insurance ▼

O&M Cost (1st Yr)

/kWp

O&M Escalation

Insurance

Insurance Escalation

Include Inverter Replacement (Yr 10 & 20)


Year	1. Power Generation & Gross Turnover			2. BESS Integration				3. Asset Valuation (IT)			4. Operational Expenses						5. Loan Breakup			6. Tax Savings & Payback			7. Net-Present Valuation
Year	Grid Tariff (INR)	Generation (kWh)	Gross Turnover (INR)	BESS Charging (kWh)	BESS Discharge (kWh)	BESS Turnover (INR)	Battery Repl. Cost (INR)	Depreciated Value (INR)	Depreciable Value (INR)	Depreciation Benefit (INR)	O&M Cost (INR)	Insurance (INR)	Inverter Replacement (INR)	Land Lease Cost (INR)	Open Access Charges (INR)	Total OPEX (INR)	Principal (INR)	Interest (INR)	Total Repayment (INR)	Net Savings (INR)	Total Operating Costs (INR)	Capital Payback Schedule (INR)	Discounted Net Savings (INR)	Discounted Operating Costs (INR)	Discounted Payback (INR)

Project IRR

0.00%

Project Payback

0 Yrs

1st Yr Total Gen.

0 kWh

Project NPV

₹ 0

Equity IRR

0.00%

Lifetime Turnover

₹ 0

Lifetime System Energy

0 kWh

Equity NPV

₹ 0

Avg DSCR

0.00x

Min DSCR

0.00x

Cap. IDC

₹ 0

Funded DSRA

₹ 0

Levelized Cost (LCOE)

₹ 0.00 /kWh

Grid Savings

₹ 0.00 /kWh

Plant CUF

0.00%

CO₂ Offset (Lifetime)

0 Tonnes

Eq. Trees Planted

🔋 BESS Economics & Viability Analysis

BESS-Only LCOE ₹ 0.00 /kWh

Solar-Only LCOE (without BESS) ₹ 0.00 /kWh

Combined System LCOE ₹ 0.00 /kWh

BESS Charging Source Solar Power

Effective Charging Rate ₹ 0.00 /kWh

BESS Economic Viability ✓ VIABLE

Viability Factor (Revenue/Cost) 0.00x

Capital Turnover

Basic Project Cost₹ 0

GST Amount₹ 0

IDC Capitalized₹ 0

Total Project Cost₹ 0

Funded DSRA Reserve₹ 0

Project Debt Amount₹ 0

Total Equity Contribution₹ 0

Debt Schedule

Loan Amount₹ 0

Monthly EMI₹ 0

Yearly Repayment₹ 0

1st Year Interest₹ 0

1st Yr Tax Shield₹ 0

Average DSCR0.00x

Minimum DSCR0.00x