Solar Engineering & Permitting

End to end Solar Engineering Services, one partner from Permit to PTO.

Site surveys, sales proposals, permit plan sets, PE stamps, interconnection and permitting. Vishtik handles the engineering so your team can focus on selling and installing.

Let’s Talk About Your Engineering Needs

Submit your inquiry. We’ll respond within one business day.

25,000+

System Designed

2,000+ MW

Total system capacity designed

98%

AHJ & utility approval rate

300+

In-house designers

About Vishtik

The engineering team behind US solar companies

Since 2020, Vishtik has been the engineering partner for solar installers, EPCs and developers across the United States. A team of 300+ in-house engineers delivers fast, accurate work that moves projects from first design to permission to operate.

Our services cover quick-turnaround sales proposals, permit-ready plan sets for residential, commercial and utility-scale projects, structural and electrical PE stamps, interconnection, and post-installation letters, all on one standard.

Engineering-led

Technical rigor and code knowledge, not generic production.

Compliance-aware

Aligned to local AHJ, utility and code in every jurisdiction.

Enterprise-ready

Built for high-volume teams and repeat project flow.

The Vishtik Operating Layer

Design & Engineering

Plan sets, electrical layouts and PE-ready packages.

Compliance Intelligence

AHJ, utility and code alignment built into every file.

Operations & Visibility

Live status, designer chat and portal-based tracking.

Aerial residential roof assessment showing solar panel placement and shade analysis

Sales Proposal

Clean, persuasive proposals that help your reps close more deals.

98k+ delivered

Same-day turnaround

Solar site surveyor measuring roof dimensions and pitch for residential PV design

Site Survey

Field capture your design team can build on — nothing missed.

50 states

Fast turnaround

Aerial residential property image with solar array layout, equipment locations and site measurements

Permit Plan Sets

Permit-ready plan sets drawn to clear the AHJ the first time.

15k+ delivered

Overnight turnaround

Professional engineer reviewing and stamping a residential solar permit plan set

PE Review & Stamp

Structural (SE) and electrical (EE) PE stamps in all 50 states.

10k+ stamped

Overnight turnaround

Solar engineer reviewing utility interconnection applications, electrical drawings and project status

Interconnection & PTO

Utility applications handled through to permission to operate.

800+ utilities

Fast turnaround

Solar engineer reviewing permit records, site plans and electrical drawings for approval

Permitting

Jurisdiction-specific packages, filed and tracked to approval.

7,000+ AHJs

Filed & tracked

PROJECT COVERAGE

Residential / Commercial / ESS / Utility Scale / EV

From residential rooftops and commercial portfolios to energy storage, utility-scale solar, and EV infrastructure, Vishtik delivers coordinated engineering support across the complete project lifecycle.

Residential

Rooftop PV / home energy projects

Commercial

Rooftop / carport / C&I

ESS

Storage-ready engineering

Utility Scale

Ground-mount / large systems

EV

EV charging infrastructure

Why choose us

Built for cost, speed, quality and control

The right engineering partner makes a solar project. Here’s what sets Vishtik apart.

 

Up to 50% cost saving

Enterprise engineering at a fraction of in-house cost.

Flexible payment

Terms that scale with your project volume.

Quick turnaround

Overnight and next-day delivery on most work.

Live progress tracking

See every project's status in the VT360 portal.

98% AHJ approval

Plans drawn to clear review the first time.

3-pass quality check

Self-QC, QC review and QA review on every file.

Custom templates

Your title block, your standard, every time.

All 50 states

Coverage everywhere you install.

Large-order capacity

300+ engineers absorb your backlog.

Free revisions

We revise until it's right, at no extra cost.

Responsive support

A real team that answers when you need it.

Dedicated manager

One point of contact who knows your account.

VT360: one portal, every project

VT360 gives your operations team real-time status across every active project, permit design, QC stage, PE review, correction cycles and PTO progress, all tracked in one place.

 

Vishtik customer dashboard showing solar project requests, reviews and approval status
Vishtik customer dashboard showing solar project requests, reviews and approval status

A clear file journey, from intake to PTO

1

Intake

Submit details

Site data, scope and utility inputs enter one queue.

2

Review

Scope check

Missing details are flagged before design begins.

3

Design

Design & QC

Plan sets are checked against code and AHJ needs.

4

Engineering

PE / AHJ support

Reviews and corrections stay visible in the portal.

5

Closeout

PTO handoff

Utility documents and milestones close the file.

Solar teams that stopped chasing approvals

Installers, EPCs and developers who hand us their engineering.

Let’s Talk About Your Engineering Needs

Submit your inquiry. We’ll respond within one business day.

Vishtik logo with white wordmark

A US-facing solar engineering and permitting firm. We move installer and EPC projects through design, compliance and delivery across all 50 states, on one standard.

United States · Office

Wyoming

E Lincolnway, Cheyenne,
Wyoming, US

India · Engineering & Design Center

Delhi

Near IGIA, 
Delhi, India

India · Engineering & Design Center

Dehradun

IT Park, 
Dehradun, India

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