How does the Commercial Solar Ground-Mount Pile Depth & Foundation Solver calculate financial return and payback?

The solver models gross capital expenditure (CapEx), Section 48 Investment Tax Credits (ITC 30%–50%), 5-year MACRS accelerated depreciation, utility demand charge shaving, and levelized cost of energy (LCOE).

Does this calculator account for battery degradation over time?

Yes, it models standardized degradation curves (typically 1.5% to 2.2% annually for LiFePO4 cells) and accounts for battery pack augmentation cycles across a 20-to-25 year lifecycle.

What federal tax credits apply under the Inflation Reduction Act?

Under Section 48 and Section 45Y, qualifying clean energy and battery storage installations unlock a 30% base ITC, plus potential 10% domestic content and 10% energy community bonus adders.

Commercial Solar Ground-Mount Pile Depth & Foundation Solver

Geotechnical & Array Parameters Site Profile

Ground-Mount System Size 500 kW-DC (~1,250 Panels)

100 kW 1.5 MW 5.0 MW

Geotechnical Soil Classification (USCS)

Foundation Type

Table Architecture

Wind Speed (ASCE 7-22)

Frost Line Depth

Civil Unit Pricing

Steel Pile Cost ($/ft)

Rig Driving Cost ($/pile)

Embedment Depth

8.5 ft (102 in)

✓ +5.5 ft Beyond Frost

Total Piles Driven

156 Piles

~1 Pile per 8 Panels

Overturning Moment

14,280 ft-lbs

Per Foundation Post

Foundation CapEx

$41,847

$0.084 / W-DC

📐 Geotechnical Embedment & Steel Schedule Broms Lateral Analysis

Total Steel Pile Length: 14.0 ft (168 in)

Above-Grade Reveille: 5.5 ft

Underground Embedment: 8.5 ft

Total Galvanized Steel: 10.4 Metric Tons

Driving Rig Production: 2.5 Days (60 piles/day)

Above Ground (5.5 ft)

— Ground Line —

Embedment (8.5 ft)

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