Who We Are
Onterris is a global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect.
Sectors
Access deep environmental expertise tailored to your industry, with solutions built for real-world conditions.
Solutions
Prepare for escalating environmental risks with expert solutions designed to perform under pressure.
Our Thinking
Explore briefs, perspectives and articles that turn insight into action. Discover thought leadership that informs decisions and drives impact. See the ideas shaping environmental solutions and guiding your next move.
Cuture & Careers
Where brilliant people come together to turn environmental science into real-world progress for communities, industry and the planet.

Energy

Enabling power generation and energy infrastructure to scale responsibly through integrated environmental intelligence, regulatory expertise and measurable operational performance.
Oil pump jacks operating in a large agricultural field.
Rows of solar panels generating renewable energy outdoors.
INTRO

Connecting science, compliance and performance across energy systems

Energy systems power economies, communities and critical infrastructure. As demand grows, renewable energy, power generation and energy infrastructure must perform within increasingly complex environmental and regulatory frameworks.

Working as an integrated team, we combine scientific expertise, environmental monitoring and regulatory compliance for renewable energy and power generation. Our coordinated approach helps energy infrastructure projects move forward with confidence, efficiency and measurable environmental performance.
Why it matters

Rising energy demand is colliding with complex environmental and regulatory expectations

Energy infrastructure is expanding rapidly to meet rising demands for electricity, renewables and resilient power generation systems. Meanwhile, operators must navigate evolving environmental regulations, emissions management requirements, water protection standards and land use constraints.

These pressures extend across the full lifecycle of energy infrastructure. Decisions that are made during siting, permitting and construction shape operational performance, regulatory compliance and long-term asset value.

Our environmental insights help organizations anticipate regulatory requirements, reduce risk and strengthen project outcomes. By harnessing our defensible data, advanced monitoring and practical regulatory expertise, operators can maintain compliance and deliver reliable energy systems that support economic growth.
Rows of large oil pipelines stretching across an industrial field at sunset with trees in the distance
Aerial view of wind turbines rising above fog at a wind energy farm

Environmental insights driving stronger energy performance

Our teams combine environmental science, regulatory expertise and advanced monitoring to optimize performance across power generation and energy infrastructure projects.
Energy industry worker operating heavy equipment at an industrial site.

Responsible energy expertise in action

Explore how we support power generation and energy infrastructure from early planning and permitting through operations, monitoring and long-term performance.
Field worker surveying rocky terrain with binoculars.

Permitting & Compliance

Working through air, water and land permitting requirements and building compliance programs that hold up under regulatory review, across regulated industries.
Woman wearing a yellow vest and looking through binoculars while standing in a field with homes and mountains in the background.

Methane

Detect, quantify and manage methane emissions with advanced measurement technologies, defensible data and regulatory expertise.
Laboratory technician handling samples during environmental testing.

Emerging Contaminants

Identify, assess and manage PFAS and other emerging contaminants with advanced science, regulatory insight and integrated environmental solutions.
Professional reviewing environmental or safety data on a computer.

Health, Safety & Chemistry

Bringing scientific precision to critical decisions
SECTOR LEADER

Meet your Energy sector leader

Connect with our energy sector leadership to explore strategies that strengthen environmental performance across power generation and energy infrastructure.

Energy Spotlight

new guide

The Environmental Strategy Maturity Curve

A practical roadmap to move from reactive compliance to proactive environmental leadership
New Report

The Onterris Outlook

Why environmental performance is business-critical

Canada’s Federal VOC Regulations: What Facility Operators Need to Prioritize

Federal VOC Regulations Phase 2 focus on emissions from petroleum liquid storage tanks and loading racks, with phased requirements now in effect for affected facilities.

Marcellus Gas: Environmental Data & Market Access

Explore how Marcellus gas operators can connect methane monitoring, environmental data and operations to build buyer confidence and support market access.

A Smarter Air Permitting Strategy for a Texas Refinery

Strategic planning creates a more efficient permitting pathway and keeps critical refinery modernization on schedule

The Industrial Wastewater Paradigm Shift: From Treatment to Resource Recovery

Why forward-thinking industries are transforming wastewater from a compliance cost into a strategic source of water, energy and valuable materials

“Just-in-Time” Compliance: The Hidden Risk Building in Legacy Environmental Programs

Teams in asset-intensive industries now need to recognize indicators of operational risk long before compliance brings them into view

Designing a Modern LDAR Program: Why Compliance Alone Is No Longer Enough

The best LDAR programs no longer ask, “Are we compliant?” They ask, “What are our emissions telling us about our operation?”

Why the AFFF Transition Is Becoming a Major Engineering and Liability Test

As fluorine-free foam becomes the industry standard, facility operators are finding that the real challenge is not choosing a replacement, but addressing what legacy systems reveal during the transition.

Can Environmental Programs Keep Pace with Production in the Permian Basin?

Learn how leading operators are building connected, defensible programs that scale with today’s operations and tomorrow’s opportunities

Strengthening PFAS Data Integrity Through Stage 4 Data Validation

Rigorous data review can uncover issues that summary reports do not show, protecting data integrity across the project lifecycle

Critical Thinking in Data Validation: How Small Errors Can Have Big Impacts

Critical thinking and professional judgment help uncover small data issues before they become costly project risks

Benzene at the Fenceline: The Public Metric Downstream Operators Can’t Treat Reactively

Why benzene is becoming a clear test of environmental maturity and operational assurance

Temporary Emissions Monitoring Gives Data Centers a Defensible Path from Commissioning to Operation

Why project teams use Temp-CEMS to protect go-live schedules, ensure air compliance and bring power capacity online with confidence

Accelerating Remote Groundwater PFAS Treatment with Modular Systems

Compact deployment, remote operation and a reliable treatment design supported consistent PFAS treatment across six groundwater sites

The Legal Case for Early Environmental Expertise

For companies in high-impact industries, bringing external environmental and legal insight into their decision-making early can strengthen cross-functional coordination and turn environmental performance into a strategic advantage

Environmental Proof is Becoming a Requirement for Midstream Market Access

As environmental performance influences commercial decision-making, midstream operators need defensible data to drive operational control and business value

Air Release Incidents: A Facility’s First Estimate Shapes What Follows

The first emissions estimate can influence regulatory, legal and public outcomes long after the release ends

Real-Time Benzene Source Detection for Refinery Emissions

Mobile PTR-TOF-MS monitoring helped a refinery pinpoint benzene emission sources in days, accelerate corrective action and strengthen regulatory confidence.

What the Latest NEPA Reforms Mean for Energy Infrastructure Permitting

USDA’s and DOI’s revised NEPA procedures signify the shift toward decentralized and agency-specific implementation, redefining permitting risk management across energy infrastructure projects