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Services / Solar & Renewable Engineering

PV Design.
BESS & Storage.
Grid Interconnection.

From utility-scale PV plant layout and PVSyst energy modeling through BESS single-line diagrams, interconnection packages, and construction drawing sets — TekMinds delivers complete solar engineering to NEC and IEEE standards.

PVSyst / Helioscope NEC 690 / IEEE 1547 BESS SLD & Protection Interconnection Packages Construction Drawing Sets PVCase

Solar & Renewable Engineering Capabilities

Our solar & renewable engineering team covers every stage — from early design and analysis through documentation, reporting, and client delivery — all to US standards and client specifications.

PV Design & Layout
Plant design, energy modeling, and construction documents
PV Plant Layout Design (AutoCAD / Helioscope)
PVSyst Energy Modeling (P50 / P90)
Construction Drawing Sets (Civil & Electrical)
Permit Package Preparation
O&M Manual Preparation
Commissioning Checklists & Procedures
EV Charging Infrastructure Design
BESS & Energy Storage
Battery storage SLDs, protection, and enclosure design
BESS SLD & Protection Design
BESS & Battery Rack Enclosure Design
Microgrid Design (Solar + Storage + DG)
AC/DC Coupling Design
Protection Relay Coordination for BESS
Grid-Forming Inverter Integration
Grid Interconnection
Interconnection docs, impact studies, and SLD/TLD packages
Interconnection Documentation (UIA packages)
SLD / TLD Packages
Grid Interconnection Impact Studies
Offshore Solar / Floating PV Design
Wind Farm Electrical Design
SCADA / DAS Integration Design
Studies & Analysis
Grid modeling, protection, and performance studies
Load Flow & Short Circuit Studies
Arc Flash Analysis
Power Quality Studies
Harmonic Analysis
Relay & Protection Coordination
Energy Production & Yield Analysis

Software & Tools

PVSyst
Helioscope
Aurora Solar
ETAP
AutoCAD Civil 3D
PVCase
SAM (NREL)
SMA / SolarEdge Tools

Codes & Standards

NEC 690
IEEE 1547
UL 1741 / UL 9540
IEC 62109
NERC CIP / NERC FAC
FERC Order 2222
NFPA 855 (BESS)
IBC / ASCE 7

Who We Serve

Our team adapts to each client's tools, formats, and reporting requirements — becoming an invisible extension of your own team from day one.

Solar Developers & IPPs

Full engineering packages from layout through interconnection — delivered to AHJ standards on your timeline.

PV LayoutPVSyst ModelingPVCaseSLD PackagesEnergy Yield ReportInterconnection DocsConstruction Drawing Sets

Solar EPC Contractors

Construction drawing sets, permit packages, and commissioning documentation to keep your project on schedule.

Construction DrawingsPermit PackagesAs-Built DrawingsSLD PackagesPVCaseBOM & Cut SheetsNEC 690 Compliance

BESS / Energy Storage Developers

BESS SLDs, protection design, rack enclosure engineering, and grid-forming inverter integration.

BESS SLDsProtection DesignEnclosure DesignSingle-Line DiagramsInterconnection DocsGrid-Forming InverterConstruction Drawing Sets

Electric Utilities & T&D

Grid interconnection studies, impact analysis, relay coordination, and substation-level protection design.

Grid StudiesRelay CoordinationSCADA IntegrationProtection CoordinationArc Flash StudiesSubstation DesignPower System Studies

Wind & Hybrid Project Developers

Electrical design and power studies for wind, hybrid solar-wind, and distributed generation projects.

Wind Farm DesignHybrid SystemsDG IntegrationEnergy Yield ModelingSLD PackagesPVSyst ModelingPower System Studies

MEP & Engineering Firms

White-label solar and BESS engineering support — delivered under your brand, to your formats.

White-Label EngineeringO&M SupportPV LayoutBESS IntegrationConstruction Drawing SetsNEC 690 Compliance

Project Snapshots

Real deliverables produced for US solar developers — packages shown are stamped, submitted, and approved. Client names redacted per standard NDA practice.

Rooftop Solar

Rooftop Solar PV System — IFC Electrical Package

Complete 28-sheet IFC electrical package for a 1.575 MW AC / 1.986 MW DC commercial rooftop PV system. Covers 3,747 SilFab modules on ballasted racking, 29 SMA central inverters, supply-side interconnection at 480Y/277V, APsmart rapid shutdown MLPEs, SEL-751 reverse protection relay, PV string plans, DC circuit schedules, and electrical calculations per NEC 2023.

AutoCAD Electrical, PVCase
NEC 2023 / IEEE 1547
28 Sheets
View in case studies
Utility Solar

Sunrise Solar — PE-Stamped Construction Set

PE-stamped 17-sheet construction set for a 2,987 kWp DC / 2,000 kWac utility-scale ground-mount project. Covers a 1P TerraTrak single-axis tracking array, 8 × Solectria XGI 1500-250 inverters through TerraSmart combiner boxes, a 12.47 kV / 2,000 kVA Eaton transformer, SEL-651R recloser, complete DC/AC wiring schedules, and 15kV pole line details.

AutoCAD Electrical, PVCase
NEC / IEEE 1547
17 Sheets
View in case studies
PVSyst Modeling

Wood Acres Solar 4 — PVsyst Energy Simulation Report

NTP-approved PVsyst V8.0.15 energy simulation for a 6,883 kWp DC / 5,000 kWac utility-scale ground-mount project in Illinois. Models a 172-tracker 1P N-S horizontal-axis tracking array of 10,925 bifacial Silfab modules — yielding 10.26 GWh/year, PR 84.96%, and P50/P90/P99 probabilistic yield outputs.

PVSyst, Solar Anywhere
NTP-Approved
11 Pages
View in case studies
Ready to Start?

Ready to Move Your
Solar Project Forward?

Whether it's a PV plant layout, a BESS SLD, an interconnection package, or an ongoing resource need — TekMinds can staff the work and turn it around fast.