2026 National Electrical Code (NEC®) Changes: PV, ESS, EVs, PCS, and More

About this course
Please note this course only covers changes and updates in the 2026 NEC®. We will release a longer course (~10 hours) that takes a deep-dive into all NEC® requirements applicable to these systems and equipment. Students taking this "changes and updates only" course can apply the cost of this course to the longer format one when it is available. Students will be notified when the longer course is released and can coordinate with support@heatspring.com to apply the credit.
Learning Objectives
- Describe and interpret significant changes across the NEC that impact PV, energy storage, EVs, and power control systems
- Describe and interpret changes in Articles 690 – Solar Photovoltaic (PV) Systems and 691 – Large-Scale Photovoltaic (PV) Electric Supply Stations
- Describe and interpret changes in Articles 706 – Energy Storage Systems and 480 – Stationary Batteries
- Describe and interpret changes in Articles 705 – Interconnected Electric Power Production Sources and 710 – Stand-Alone Systems
- Describe and interpret changes in Article 130 – Energy Management Systems
- Describe and interpret changes in Article 702 – Optional Standby Systems
- Describe and interpret changes in Article 625 – Electric Vehicle Power Transfer Systems
Course outline
Welcome • 5 assignments
Orientation Materials
- Set up email notifications and your student profile
- Introduce yourself on the discussion board
- Meet Your Instructors and Solar Tech Collective (02:46 minutes)
- Course Overview (04:38 minutes)
- Accessing the NEC® (02:54 minutes)
Module 1 • 6 assignments
Introduction, NEC Overview, and Notable Non-PV/ESS Changes
- Module 1 Presentation PDF (.pdf)
- Overview of the NEC® (02:52 minutes)
- The Code-making Process (05:11 minutes)
- Layout and New Articles (04:22 minutes)
- Code-wide Changes (02:13 minutes)
- Updated General Requirements to be Aware Of (04:04 minutes)
Module 2 • 16 assignments
Articles 690 and 691: Solar Photovoltaic (PV) Systems
- Module 2 Presentation PDF (.pdf)
- Articles 690 and 691: PV Systems (01:00 minutes)
- Article 690 Scope (01:16 minutes)
- 690.2 and .4 Listing and General Requirements (05:16 minutes)
- Maximum DC Voltage (04:46 minutes)
- Circuit Current (04:07 minutes)
- Conductor Ampacity (03:20 minutes)
- PV System Disconnecting Means (05:08 minutes)
- Equipment Disconnecting Means and Isolating Devices (02:07 minutes)
- Wiring Systems and Connectors (02:04 minutes)
- Different Systems, Identification, and Grouping (03:11 minutes)
- Specific Types of Installations (03:23 minutes)
- PV System DC Circuit Grounding and Protection (03:42 minutes)
- Equipment Grounding and Bonding (04:30 minutes)
- Grounding Electrode System (03:29 minutes)
- Article 691 Large-scale PV (01:35 minutes)
Module 3 • 11 assignments
Article 705: Interconnected Electric Power Production Sources
- Module 3 Presentation PDF (.pdf)
- Article 705 Interconnected Electric Power Production Sources (43 seconds)
- Scope and General Requirements (05:09 minutes)
- 705.11 Source Connections to a Service (07:23 minutes)
- 705.11(C) OCPD, GFPE, and Splices and Taps (07:50 minutes)
- 705.11 Grounding and Bonding (03:47 minutes)
- 705.12 Load-side Source Connections (01:25 minutes)
- Source Disconnecting Means and Wiring Methods (03:28 minutes)
- Circuit Sizing and Overcurrent Protection (04:40 minutes)
- Ground Fault Protection (02:48 minutes)
- Article 710 Stand-alone Systems (05:42 minutes)
Module 4 • 7 assignments
Articles 480 and 706: Stationary Batteries and Energy Storage Systems
- Module 4 Presentation PDF (.pdf)
- Articles 480 and 706 Stationary Batteries and Energy Storage Systems (04:10 minutes)
- Article 706 Scope and Listing (02:09 minutes)
- More General Requirements (01:34 minutes)
- 706 Part II Disconnecting Means (03:52 minutes)
- Article 706 Part III (02:26 minutes)
- Article 706 Parts IV, V, and VI (02:43 minutes)
Module 5 • 4 assignments
Articles 130 and 702: Energy Management Systems and Optional Standby Systems
- Module 5 Presentation PDF (.pdf)
- EMS and PCS Definitions and Overview (09:37 minutes)
- Article 120 Load Calculations with PCS (07:53 minutes)
- Article 702 Optional Standby Systems (04:29 minutes)
Module 6 • 5 assignments
Article 625: Electric Vehicle Power Transfer System
- Module 6 Presentation PDF (.pdf)
- Article 625 Electric Vehicle Power Transfer System (04:20 minutes)
- Circuits, Loads, Ratings, and Settings (03:02 minutes)
- Disconnecting Means (04:01 minutes)
- Equipment Mounting and Fastening (02:38 minutes)
Conclusion • 4 assignments
Feedback and Additional Resources
- 1 Year of Access to Course Materials
- Feedback: 2-minute Exit Survey
- Consider Joining as a HeatSpring Member
- Certificate of Completion: Request a Certificate
Continuing Education Units
Approved NABCEP CEU Hours
NABCEP Credential | Advanced Hours for Exam | Recertification CEU Hours | NEC | JTA | RE Elective | Building or Fire Code |
---|---|---|---|---|---|---|
3 | 3 | 3 | 0 | 3 | 0 | |
0 | 3 | 0 | 0 | 0 | 0 | |
3 | 3 | 3 | 0 | 3 | 0 | |
3 | 3 | 3 | 0 | 3 | 0 | |
3 | 3 | 3 | 0 | 3 | 0 | |
3 | 3 | 0 | 0 | 3 | 0 | |
0 | 3 | 3 | 0 | 3 | 0 | |
0 | 3 | 3 | 0 | 0 | 0 |
Instructors

Brian Mehalic
Brian Mehalic is a NABCEP-certified PV Installation Professional with over 22 years of experience designing, installing, inspecting, and servicing all types and sizes of PV and energy storage systems. He began his career as Lead Technician and Project Manager at EV Solar Products in Arizona then worked as Project Engineer for O2 Energies in North Carolina. He was a...

Rebekah Hren
Rebekah Hren has over twenty years of experience working in the solar and electrical industry. She is a qualified master electrician, and has served as a principal voting member on Code-Making Panel 4 for NFPA 70 (National Electrical Code) since 2017. She is a NABCEP board member and certified PV Installation Professional . Since 2007 she’s enjoyed teaching PV system...

Alex Jahp
Alex Jahp joined the solar industry in 2015 out of a passion for the environment, climate change, and sustainable development. He has since worn many hats – and hard hats – with roles in construction, design, and project management on projects from watts to megawatts throughout the US, Peru, and Guatemala. His work has taught him the important role that codes,...