Power systems · Renewable energy · Controls
Engineering from analysis through commissioning.
Santini Engineering LLC provides electrical engineering design and consulting for commercial, industrial, utility, and renewable energy projects. We connect power system analysis, protection, controls, and field engineering to support your project from design through construction.
Engineering tools
Choose a calculation or explore the physics behind it. The NEC calculators and Physics Lab open without an account; Terra requires assigned sign-in credentials.
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Public · Calculator
Voltage drop
Check voltage drop and estimated voltage at the load for copper or aluminum conductors. Single- and three-phase AC, with every calculation step shown.
Open voltage drop calculator -
Public · 3 calculators
Conductor sizing, ampacity & voltage drop
Work through NEC table values, correction factors, and the governing limit, step by step. Preliminary sizing only.
Open calculators -
Sign-in required · Engineering preview
Terra Thermal Studio
Explore underground cable layouts, mutual heating, and thermal headroom. Preliminary screening; not a certified ampacity assessment.
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Public · 5 simulations
Physics Lab
Experiment with motion, gases, heat transfer, and engine cycles. Compare numerical results with the underlying theory.
Browse simulations -
Service
Solar cost estimating
Preliminary cost estimates and design-phase proposals for utility-scale solar PV and battery storage.
About the service
Our Capabilities
Power Systems Design & Analysis
Expert design of high, medium, and low voltage power systems including load studies, short circuit calculations, and protective coordination. Extensive experience in the design of central energy plants and generating facilities. Specialized expertise in medium voltage electrical systems for large amusement park campuses.
Control & Automation
Development of advanced control systems and SCADA solutions with robust cybersecurity measures and redundancy. Extensive knowledge in the use of Schweitzer Engineering Laboratories (SEL) automation and protection equipment.
Field Engineering & Construction
On-site engineering support, construction safety protocols, commissioning, and quality control to ensure project success.
Renewable Energy Integration
Design and integration of utility-scale battery energy storage systems (BESS) and renewable energy projects with comprehensive monitoring and safety systems.
Communications & Network Infrastructure
Implementation of secure, redundant communication networks and fiber optic systems for reliable data transmission.
Project Management & Engineering Leadership
End-to-end project oversight, risk assessment, and regulatory compliance to ensure projects meet stringent industry standards.
Security & Specialized Facility Design
Integrated security systems and specialized design for critical facilities such as research laboratories and environmental control systems.
Software Development
Software development services backed by over 12 years of experience in full-stack engineering. Focused on building reliable, scalable, and user-friendly applications across web, infrastructure, and game development. Offers a well-rounded approach to solving technical challenges, ensuring smooth deployments, and delivering impactful, high-quality solutions tailored to your needs.
Underground Cable Thermal Screening
Terra Thermal Studio explores underground cable layouts, mutual heating, and thermal headroom for solar collection systems. Compare scenarios and export preliminary reports. Assigned sign-in credentials are required for Terra and its documentation. Engineering preview only — not a certified ampacity or code-compliance assessment. Open Terra → · User guide and methodology
Solar Cost Estimating & Design Proposals
Preliminary capital cost estimates and design-phase engineering proposals for utility-scale solar PV, with battery storage and an on-site substation where the project has them, adjusted for state and terrain. Cost basis fitted at 100 MW, 2024 data, not escalated. Learn more →
Technical Expertise
- Utilization of industry-standard software for electrical modeling and analysis (SKM, ETAP, EasyPower, Synergi Electric by DNV).
- Proficiency in AutoCAD and advanced project management tools.
- Expertise in network security, SCADA system configuration, and cloud monitoring solutions.
- Software development capabilities for custom applications, data analytics, and system integration.
- Cloud infrastructure management (AWS, GCP) for scalable, reliable, and secure deployment of engineering solutions.
- Development and implementation of safety protocols and quality control procedures in accordance with NEC, NFPA, IEEE, and other standards.
Contact Us
Tell us about your project location, scope, and schedule, and the engineering support you need.
Employee Resources
The intranet, company policies and the estimating tool are internal and are not available from this public site. Staff: use the company network.