Site assessments, energy modeling, and preliminary layouts — delivered fast so you can make confident go/no-go decisions.
Detailed PV system layout and energy production estimate using Helioscope. Accounts for shading, orientation, and module selection.
Bankable energy yield simulation for financing and due diligence. Includes loss diagrams and performance ratio analysis.
Preliminary system layout establishing array positioning, inverter locations, and point of interconnection.
Comprehensive review of site conditions including roof structure, electrical infrastructure, and environmental factors.
Battery energy storage system sizing and economic analysis. Optimized for demand charge reduction, rate arbitrage, or backup power.
Detailed review of historical utility data to identify savings opportunities, rate optimization, and optimal system sizing.
Upload utility bills, site plans, and project requirements through our platform.
Our engineers model your system using Helioscope, PVSyst, and proprietary tools within 24 hours.
Get a clear summary of energy production, savings, and system recommendations.
Use your feasibility package to secure financing, win proposals, or green-light engineering.
| The Old Way | With PhaseOne | |
|---|---|---|
| Turnaround | 1-2 weeks | 0.5-2 days |
| Accuracy | Rough estimates in spreadsheets | Bankable PVSyst and Helioscope models |
| Storage analysis | Separate vendor or skipped entirely | BESS modeling included |
| Site review | You verify constraints | Structural & electrical pre-check |
| Cost | Hours of internal time | Fixed price starting at $99 |
Feasibility & Design starts at $99 per deliverable. No hidden fees, no surprise invoices. PE stamping is always included.
Sign up and get your first deliverable free — no credit card required.
“PhaseOne's feasibility reports are thorough and fast. We can now qualify sites in days instead of weeks, which means we close more deals.”
From 10% conceptual through IFC and as-builts — every deliverable is code-compliant and AHJ-ready. PE stamping available in all 50 states as an add-on.
Learn moreProposals, savings analyses, and financial models that give your sales team the technical edge — delivered in 1-2 days.
Learn moreComprehensive site visits with detailed reports covering structural, electrical, and environmental factors — so you can engineer with confidence.
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