Santini Engineering LLC - Solar Farm Cost Estimation

Platform Overview

Our Solar Farm Cost Estimation platform provides comprehensive cost analysis for utility-scale solar PV projects ranging from 0.1 to 1,000 MW. Built for solar developers, EPCs, and financial analysts, it delivers detailed cost breakdowns, professional staffing models, and industry benchmarking across all 50 US states.

The platform includes two estimator tools, each tailored to different workflows and levels of detail.

Estimator Tools

Classic Estimator

Full-featured cost estimation with a three-step wizard: configure project parameters, review detailed cost breakdowns, and generate professional staffing proposals. Includes a market dashboard with industry KPIs, 12-role staffing model across 4 engineering disciplines, proposal negotiation tool with adjustment modes, and AI-powered estimates via Claude agent integration.

SolarScale Estimator Pro

Modern interactive estimator with real-time cost dashboards, engineering specifications, and detailed proposal generation. Features tabbed interface with cost visualization (Recharts), component-level specifications, and a Gemini AI consultant for natural language project analysis and recommendations.

Key Features

State-specific pricing with cost multipliers for all 50 US states based on labor rates and permitting complexity.
Six terrain type adjustments: flat, rolling, steep, rocky, wetland, and brownfield with specific cost and design multipliers.
Battery Energy Storage System (BESS) estimation with 1 to 8 hour duration options and integration cost modeling.
Optional on-site step-up substation cost modeling with capacity-scaled pricing.
Professional staffing calculations with 12 roles across electrical, civil, structural, and environmental disciplines.
Design phase proposal generation with per-task breakdowns, FTE loading, and schedule modeling.
Proposal negotiation tool with proportional, preserve-senior, and preserve-critical adjustment modes.
Industry benchmarking against NREL Annual Technology Baseline, EIA regional data, and Wood Mackenzie reports.

Access the Estimator

The Solar Farm Cost Estimation platform is an internal tool accessible via the company Tailscale network.

Launch Solar Farm Estimator

Requires Tailscale connection to the company network.

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