Solar,

done right.

Sonora Solar Engineering is the design, structural, electrical and permitting partner behind installers, developers and EPCs across the Southwest. Stamped plan sets that clear review the first time, engineered for the sun we know best.

Solar

done right.

Sonora Solar Engineering is the design, structural, electrical and permitting partner behind installers, developers and EPCs across the Southwest. Stamped plan sets that clear review the first time, engineered for the sun we know best.

142.3

MW engineered

across utility, C&I and residential portfolio

+1,200

plan sets stamped

PE-Reviewed structural & electrical packages

50

state coverage

Built to work nationwide

48 hr

median turnaround

preliminary layouts for qualified RFPs

142.3

MW engineered

across utility, C&I and residential portfolio

+1,200

plan sets stamped

PE-Reviewed structural & electrical packages

50

state coverage

Built to work nationwide

48 hr

median turnaround

preliminary layouts for qualified RFPs

capabilities

A full engineering department, on demand.

Skip the overhead. We plug into your pipeline as the stamped-and-sealed

engineering team behind every submittal.

01 SSE

PV System Design

Production-optimized array layouts, single-line diagrams, string sizing and equipment schedules built for constructability and yield.

Array layout & shading analysis
DC/AC ratio optimization
Single-line & three-line diagrams
PVsyst production modeling
02 SSE

Structural Engineering

Stamped structural analysis for rooftop, ballasted and ground-mount systems - wind, snow and seismic loading to current code.

Attachment & load path design
Ballasted roof calculations
Ground-mount foundations
PE-stamped letters, 50 states
03 SSE

Electrical Engineering

Code-compliant electrical design from module to point of interconnection, coordinated with the AHJ and utility from day one.

NEC 690/705 compliance
Conductor & OCPD sizing
Rapid shutdown & labeling
Interconnection studies
04 SSE

Permitting & Plan Sets

Full permit packages that clear plan review the first time, with AHJ-specific formatting and revision management built in.

AHJ-ready permit sets
Corrections & resubmittals
Utility applications
As-built documentation
05 SSE

Commissioning & QA/QC

Field verification and functional testing that confirms the system matches stamped design intent before energization.

Functional performance testing
IV curve tracing
Punch list & deficiency tracking
Utility witness testing
06 SSE

Monitoring & O&M Support

Production monitoring setup and as-built documentation packages that keep operations teams ahead of underperformance.

Monitoring platform setup
Performance ratio alerts
O&M handoff packages
Warranty documentation

how we work

From RFP to energization.

A disciplined, transparent workflow with revision tracking at every stage, so your crews never wait on drawings.

step 01

Intake

Site data, utility bills, and scope reviewed. We flag risk before you quote.

step 02

Preliminary

Layout, production estimate inside 48 hours for qualified projects.

step 03

Engineering

PE-stamped structural + electrical, single-lines, and full calculation package.

step 04

Permit Set

AHJ-formatted plan set delivered, tracked through approval and corrections.

step 05

Support

Field RFIs, change orders and as-builts handled through energization.

how we work

From RFP to energization.

A disciplined, transparent workflow with revision tracking at every stage, so your crews never wait on drawings.

STEP 01
Intake
Site data, utility bills, and scope reviewed. We flag risk before you quote.
STEP 02
Preliminary
Layout, production estimate and BOM inside 1 week for qualified projects.
STEP 03
Engineering
PE-stamped structural + electrical, single-lines, and full calculation package.
STEP 04
Permit Set
AHJ-formatted plan set delivered, tracked through approval and corrections.
STEP 05
Support
Field RFIs, change orders and as-builts handled through energization.

selected work

Engineered, permitted, built.

A slice of the portfolios we've stamped: From ballasted rooftops to utility-scale tracker fields.

SELECTED WORK

Engineered, permitted, built.

A slice of the portfolios we've stamped: From ballasted rooftops to utility-scale tracker fields.

Fahrney Keedy Memorial Home
COMMERCIAL   SOLAR SHADE STRUCTURES
Fahrney Keedy Memorial Home
Boonsboro, MD
1,322.52
KW DC
Scottsdale Bible Church - Shea Campus
COMMERCIAL   SOLAR CARPORTS
Scottsdale Bible Church - Shea Campus
Scottsdale, AZ
886.08
KW DC
Highlands Church
COMMERCIAL   SOLAR SHADE STRUCTURES
Highlands Church
Scottsdale, AZ
396.00
KW DC
Notre Dame High School
COMMERCIAL   SOLAR SHADE STRUCTURES
Notre Dame High School
Scottsdale, AZ
801.94
KW DC
HL Residence
RESIDENTIAL   SOLAR
HL Residence
Scottsdale, AZ
14.43
KW DC
IW Residence
RESIDENTIAL   SOLAR
IW Residence
Cave Creek, AZ
7.20
KW DC
SH House
RESIDENTIAL   SOLAR
SH House
Fountain Hills, AZ
11.52
KW DC
Resi 3
RESIDENTIAL   SOLAR
AB Residence
Flagstaff, AZ
5.40
KW DC

about us

Sun specialists,

not generalists.

Founded in Tempe in 2016, Sonora Solar Engineering exists to be the technical backbone for solar businesses. Our PEs and designers carry projects from feasibility through as-built, quietly, accurately, and on schedule.

Licensed PEs

Structural & electrical stamps in all states.

Constructability first

We design what your crews can actually build. Fewer RFIs, faster energization.

AHJ fluency

Deep familiarity with Southwest jurisdictions and utility interconnection standards.

Responsive

Questions and revisions handled quickly to keep projects moving toward construction.

let's build

Stop losing money. Send us your next

project scope.

PHONE

(602) 905-3422

ADDRESS

1865 E 3rd St, Tempe, AZ 85281

let's build

Send us your next

project scope.

Preliminary layouts and pricing for qualified RFPs within two business days.

Tell us the site, the target size, and the AHJ — we'll take it from there.

PHONE

(602) 123-1234

ADDRESS

1865 E 3rd St, Tempe, AZ 85281

Copyright 2026. SONORA SOLAR ENGINEERING LLC. All Rights Reserved.