can u help me calculate Grid Electricity Expenses

Maintenance Expenses

Accounting Depreciation

for north warehouse for year $0$ to $10$ along with figures, following are Assumptions and Parameters

$$1\mathrm{.}00$ Annual maintenance expense per panel

$7\mathrm{.}00\%$ Grid electricty costs annual inflation

$2\mathrm{.}50\%$ Other costs inflation

$8\mathrm{.}00\%$ Hurdle rate

$30\mathrm{.}00\%$ Tax rate

$365$ Days per year

Table $3$: Electricity Purchase Costs$/$Credits and Total Electricity Usage

Project Yr $1$ Public electricity grid: Purchase cost$/$credits per kWh Yr $1$ total electricity usage kWh

North $$0\mathrm{.}3412,000,000$ Supply and installation quoted costs for North $$6,000,000$

"Solar system size: Panels $($each $1$ sqm$)6,000$

Total solar system capacity kW $1,020$ Sun exposure: Average daily kWh produced per kW of capacity $8\mathrm{.}9$