EV Charging Standards, Regulations & Protocols: What to Know

As electric vehicle (EV) adoption grows among consumers, businesses, and fleets, there is a pressing need for standardized regulations and protocols to ensure a seamless and reliable charging experience. These standards help create an efficient and widely accessible charging network, benefiting businesses and EV drivers.

According to the U.S. Energy Information Administration (EIA), EV adoption continues to rise, leading to greater demand for reliable and interoperable charging solutions. The U.S. Department of Energy - Alternative Fueling Station Locator reports that tens of thousands of EV charging stations are available nationwide.

With this rapid growth, businesses, site hosts, and municipalities must ensure their EV infrastructure aligns with the latest federal, state, and industry standards. This blog explores the critical aspects of EV charging standards, why compliance matters, and state-level initiatives shaping the future of charging infrastructure.

EV Charging Standards and Regulations

The growth of EV infrastructure has introduced multiple challenges, including fragmented charging networks, varied hardware capabilities, and inconsistent payment systems. Governments and regulatory bodies are implementing standards to improve reliability, accessibility, and security for both drivers and businesses.

Why EV Charging Standards Matter

A lack of standardization can lead to operational inefficiencies and customer frustration. Establishing a uniform regulatory framework benefits all stakeholders:

• ‍Interoperability: Ensures that all EV drivers can charge at any station, regardless of network provider.‍
• Reliability: Reduces downtime and ensures chargers remain functional.‍
• Payment Transparency Prevents hidden fees and ensures customers understand pricing.‍
• Safety Compliance Mandates rigorous security and energy delivery standards.

Regulations from agencies such as the National Electric Vehicle Infrastructure (NEVI) Program, California Air Resources Board (CARB and Federal Highway Administration (FHWA) are driving the transition toward a more standardized EV charging ecosystem.

EV Charger Reliability and Uptime

Charger reliability is a critical component of a functional EV infrastructure. Government funding for EV infrastructure has driven stricter uptime requirements, such as the [National Electric Vehicle Infrastructure (NEVI) Standards](https://www.ecfr.gov/current/title-23/chapter-I/subchapter-G/part-680), which mandate a 97% uptime requirement.

Why it matters:

• Businesses investing in EV charging stations must ensure their chargers are operational to avoid disruptions.
• A charger with excessive downtime frustrates drivers and reduces return on investment.

Solutions:

• ‍Smart charger management systems that perform self-diagnostics and remote troubleshooting to minimize downtime.‍
• Open Charge Point Protocol (OCPP) for error reporting and improved charger maintenance efficiency.‍
• NEVI uptime compliance, ensuring chargers maintain high availability.

"As our industry matures, it's imperative that we ensure our chargers have high reliability (i.e., uptime)," says Raghav Murali, Director of Policy & Government Affairs at PowerFlex.

Interoperability and Communication Protocols

A major challenge in the EV industry is ensuring that all vehicles can charge at any compatible station. Interoperability refers to the ability of EVs and chargers to communicate seamlessly across different networks.

Key standards enabling interoperability:

• ISO 15118 for Plug & Charge authentication and seamless transactions.
• Combined Charging System (CCS) for AC/DC charging communication between vehicles and chargers.
• Open Charge Point Protocol (OCPP) for interoperability between chargers and backend networks.
• Tesla’s NACS, now adopted by other automakers.

"As EVs and chargers become increasingly diverse, regulators have adopted communication protocols to increase standardization," says Murali.

State-Specific Regulations

While federal guidelines set a baseline for EV charging infrastructure, many states have additional requirements. Here’s how some leading states are driving EV policy forward:

California

• ‍Plug & Charge Requirements: All new DC fast chargers must support ISO 15118 Plug & Charge to enable seamless transactions.
• EV Charger Uptime Mandates: Requires 97% uptime compliance for publicly funded charging stations.
• Bidirectional Charging Support: Exploring regulations to mandate bidirectional EV charging for future grid resiliency.

New York

• EV Make-Ready Programs: Incentivizes site hosts to install infrastructure that supports future EV charger deployment.
• Municipal Charging Expansion: Funding expansion of Level 2 chargers in public parking facilities.

Colorado

• EV Charger Permitting Requirements: New permitting model being developed to streamline charger installations.
• Fleet Electrification Programs: Provides incentives for businesses to convert commercial fleets to electric vehicles.

These state-led initiatives signal the future direction of EV policy nationwide.

Future Trends in EV Charging Regulations

Beyond current regulations, new trends are shaping the future of EV charging:

1. Grid-Integrated EV Charging: Policies are shifting towards bidirectional charging, allowing EVs to return power to the grid.
2. Stricter Cybersecurity Standards: NEVI and state agencies are tightening cybersecurity compliance for EV chargers.
3. Expanded Multi-Unit Dwelling Regulations: More states require EV-capable parking spots in new residential buildings.

Final Thoughts

As EV adoption accelerates, businesses, fleets, and site owners must stay ahead of charging standards and regulations. Compliance ensures funding eligibility, reliability, security, and customer satisfaction.

"We anticipate compliance and enforcement will only become more stringent," says Murali. "Being proactive about regulations is key to long-term success."

At PowerFlex, we help organizations navigate EV charging regulations and deploy future-proof solutions.

Contact PowerFlex today to ensure your EV charging infrastructure remains compliant and optimized for the future.

The Evolution of EV Charging Regulations

EV charging regulations have evolved significantly over the last decade. Initially, the industry lacked standardized guidelines, leading to a fragmented network of chargers with varying levels of accessibility, payment options, and compatibility. However, as EV adoption accelerated, regulators recognized the need for consistent and enforceable standards.

Early Challenges in EV Charging Regulation

In the early 2010s, EV charging infrastructure faced several hurdles:

• Limited interoperability: Early charging networks often used proprietary software, making it difficult for EV drivers to switch between providers.
• Payment inconsistencies: Some stations required memberships, others used RFID cards, and only a few accepted credit cards, leading to confusion among drivers.
• Unreliable uptime: Due to the lack of maintenance standards, many chargers experienced significant downtime.

Federal Policy Interventions

Recognizing these issues, federal agencies introduced key policies to streamline the industry, such as:

• The Bipartisan Infrastructure Law (2021): Allocated $7.5 billion to expand and standardize EV charging infrastructure nationwide.
• The National Electric Vehicle Infrastructure (NEVI) Formula Program (2022): Established minimum standards for charger uptime, payment methods, and interoperability.
• The Inflation Reduction Act (2022): Expanded incentives for businesses and municipalities to invest in compliant EV charging solutions.

Expanding State-Specific EV Policies

As federal policies set the foundation, individual states are taking initiatives even further by implementing unique regulations that enhance accessibility, affordability, and reliability.

California: Leading the Charge

California has been at the forefront of EV adoption and infrastructure policy, implementing several groundbreaking initiatives:

• CALGreen Building Code: Requires 10% of parking spaces in new multifamily developments to be EV-capable.
• Zero-Emission Vehicle (ZEV) Program: Mandates increasing sales of ZEVs each year, driving demand for more public chargers.
• Bidirectional Charging Mandate: Considering regulations to make bidirectional (V2G) charging mandatory in new EVs by 2030.

New York: Expanding Public Charging Access

New York has prioritized urban EV charging accessibility, particularly in multi-unit dwellings and public spaces:

• EV Make-Ready Program: Allocates funding for businesses to prepare parking lots for future EV chargers.
• New Construction EV Charging Mandate: Requires that at least 20% of parking spaces in new residential buildings be EV-ready.
• Equitable EV Infrastructure Deployment: Ensures disadvantaged communities receive funding for EV charging projects.

Colorado: Reducing Permitting Barriers

Colorado is making EV charger installations more streamlined and cost-effective:

• EV Charger Permitting Reform: Developing a state-wide framework to simplify the permitting process for businesses installing EV chargers.
• Fleet Electrification Grant Program: Provides grants to help businesses transition commercial vehicle fleets to electric.

Other States Setting Trends

• Maryland: First state to pass vehicle-to-grid (V2G) legislation, allowing EVs to discharge energy back into the grid.
• Washington: Considering a 100% electric vehicle sales mandate by 2035, similar to California’s ZEV rule.
• Illinois: Offering significant tax incentives for companies installing Level 2 and DC fast chargers in urban areas.

Key Industry Challenges and Future Trends

While EV charging standards have significantly improved, the industry still faces key challenges and emerging trends:

1. The Push for Smart Grid Integration

EVs are increasingly integrated into smart grids, allowing for dynamic energy management. Technologies such as Vehicle-to-Grid (V2G) and demand response programs will require new regulatory frameworks to ensure seamless grid interaction.

2. Strengthening Cybersecurity in EV Charging Networks

With more chargers and payment systems connected, the risk of cyberattacks is growing. Regulators are introducing cybersecurity guidelines to protect consumer data and network integrity.

3. Accelerating Rural EV Infrastructure Deployment

Most EV charging infrastructure is concentrated in urban and suburban areas, but rural communities remain underserved. Expect increased funding incentives and federal grants to encourage charger deployment in remote locations.

Conclusion: Staying Ahead of EV Charging Regulations

With EV adoption accelerating, businesses, site hosts, and municipalities must ensure compliance with evolving regulations. Staying ahead of standards ensures eligibility for government incentives and enhances user experience, reliability, and security.

“EV charging regulations are no longer optional—essential for long-term business success,” says Murali. "Organizations that proactively meet compliance requirements will be best positioned to capitalize on future funding and policy shifts."

At PowerFlex, we help organizations navigate EV charging regulations and deploy future-proof solutions.

Contact PowerFlex today to ensure your EV charging infrastructure remains compliant and optimized for the future.

Case Studies: How Businesses Are Navigating EV Charging Regulations

To better understand the real-world impact of EV charging regulations, let’s explore how businesses and municipalities adapt to evolving standards.

A Retail Chain Meets NEVI Compliance

A national retail chain with locations across the U.S. wanted to install fast-charging stations to attract EV-driving customers. However, to qualify for NEVI funding, they had to ensure:

• 97% uptime compliance
• OCPP-supported chargers for interoperability
• Credit card and Plug & Charge payments

By partnering with an innovative EV charging provider, they integrated real-time monitoring, ensured uptime reliability, and automated compliance reporting, securing federal incentives worth over $1 million.

A City Government Expands EV Infrastructure

A major city in California aimed to increase public EV charger accessibility, especially in low-income neighborhoods. Their approach:

• Used state grants to install Level 2 and DC fast chargers in public parking areas
• Ensured compliance with CALGreen building codes for EV-ready infrastructure in new developments
• Adopted bidirectional charging (V2G) pilots to help stabilize the local grid

Their efforts resulted in a 30% increase in EV charger accessibility, positioning the city as a leader in sustainable transportation.

How PowerFlex Helps Businesses Stay Compliant

Navigating EV charging regulations can be complex, but PowerFlex offers a suite of solutions to help businesses stay ahead:

• Site Assessments: We analyze regulatory requirements to ensure full compliance before installation
• Smart Energy Management: Our adaptive software optimizes charging schedules, reduces costs, and ensures grid-friendly operation
• Automated Reporting: We handle NEVI-mandated uptime and data reporting to streamline compliance

Staying ahead of the curve as EV regulations evolve ensures businesses can secure funding, avoid penalties, and future-proof their infrastructure.

Contact PowerFlex today to ensure your EV charging infrastructure remains compliant and optimized for the future.

Final Summary

EV charging standards and regulations are evolving rapidly, shaping the future of transportation and clean energy adoption. Businesses, site hosts, and municipalities that proactively adapt to these changes will gain a competitive advantage, securing funding, ensuring uptime reliability, and offering a seamless charging experience for EV drivers. Federal and state policies will continue to refine compliance requirements, emphasizing interoperability, cybersecurity, and equitable infrastructure deployment.

PowerFlex is committed to helping organizations navigate the complexities of EV charging regulations, providing innovative energy solutions that optimize charging, reduce costs, and ensure full compliance.