OUR IMPACT

ENGINEERING A
SUSTAINABLE FUTURE

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RENEWABLE NATURAL GAS

BIOGAS-TO-RNG
FACILITY SOLUTIONS

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PROJECT DEVELOPMENT
SUPPORT

BIOGAS-TO-RNG PROJECT
DEVELOPMENT SUPPORT

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BIOGAS-TO-ENERGY

WASTE-TO-ENERGY
BIOGAS FACILITIES

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OPERATIONS &
MAINTENANCE

BIOGAS, LFG, RNG
FACILITIES O&M

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LANDFILL GAS COLLECTION & CONTROL

LFG GAS COLLECTION &
CONTROL (GCCS) SYSTEMS

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ANAEROBIC DIGESTER

ANAEROBIC DIGESTER
BIOGAS UTILIZATION

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POWER GENERATION

POWER GENERATION &
COMBINED HEAT & POWER (CHP)

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WATER/WASTEWATER TREATMENT

WASTEWATER AD
BIOGAS UTILIZATION

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FOOD WASTE

FOOD WASTE AD
BIOGAS UTILIZATION

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We Build Profitable Projects

Our end-to-end, facility lifecycle solutions are designed to deliver maximum ROI for the life of your assets—with decades of engineering, operations & maintenance know-how built into every project.

As a Total Solution Provider, we can handle every aspect of your project—and deliver unique, cross-functional value at every point in the delivery chain.
Providing industry-leading biogas utilization Project Development Support, Engineering, Construction, and O&M solutions since 2007, our deep experience sets us apart.

As a long-time Operator, we know what it takes to design a facility for maximum operational efficiency—and profitability.
In addition to our suite of EPC and O&M solutions, we offer integrated analytics solutions utilizing data from o&m, controls & monitoring, and SCADA—for continuous improvement, run-time optimization, and predictive maintenance

CONTACT US
Contact us today to speak with one of our biogas utilization project professionals at: (+1) 541-549-8766 or click to contact us below.

When you work with ESI, profitability and sustainability go hand-in-hand. We've been developing, designing, engineering, building, integrating, and operating leading-edge biogas utilization projects since 2007. Supporting more profitable projects than virtually any other competitor, there is no better partner to support your next profitable, sustainable waste-to-energy project.

Our projects collectively produce over 1 million MWh of renewable electricity—and over 50 million gallons of renewable vehicle fuel every year, off-setting approximately 1 million tons of carbon dioxide each year.

ESI Projects - 2
90+

Biogas Utilization
Projects & Counting

CARS- Equivalante CO2 Reduction - 1-1

1 MM

Tons of CO2
Mitigated/yr.*

Trees - Equivalent CO2 Reduction 2

11.4 MM

Equivalent Acres of
Forests Planted/yr*

Biogas Utilization & Cleanup Projects

Construction/Operations Projects Utilizing Biogas

Best-in-Class SCADA/Control Systems

Renewable Natural Gas (RNG) Facilities

We Design it Like We Own it

Our engineering design work is informed by a real-time feedback loop of ongoing project data—supporting continuous improvement that also incorporates recommendations and lessons learned from our own operations and maintenance field service teams.

We design it like we own it, because we know, from our own 'hands-on' experience, what it takes to maintain and manage your facility for maximum operational efficiency—and profitability. Learn about our engineering services here.
SCADA & Controls
24-7 Maintenance - Your Parts Are On The Way

In 2017, the decision was made to annex the Sisters Airport to ESI's property holdings, following in overwhelming majority vote by the citizens of Sisters. The airport provides ongoing benefit to the community while supporting ESI's rapidly expanding business needs.

Maintaining an airport at our headquarters facilitates efficient travel and supports rapid, responsive service for any urgent needs of our O&M clients. Learn about our Operations & Maintenance solutions here.
Predictive Maintenance

Our own in-house, experienced SCADA and Control personnel design, fabricate, and install fully custom SCADA and Control systems, to deliver 360° visibility across all your projects and give you the power to identify and optimize project and program-wide inefficiencies, reduce downtime, and maximize capacity.

With the added option of predictive maintenance, you can identify and address maintenance issues before they lead to equipment damage or shutdown. Learn More.
Cloud Data Management & Optimization Solutions

Our GreenFleet cloud-based CRNG chain of custody tracking and data management solution lets you monitor, measure, track, and record gas attributes and logistics data across the complete CRNG delivery chain from production to pipeline injection—including the details required to receive renewable energy (RIN) credits.

GreenFleet continuously measures, monitors and reports on the flow of your CRNG, including tank trailer location, gas quality/Btu value, fill time, flow rates, gas pressure, temperature, and travel time—to and from all receipt and delivery points, up to and including injection. Learn about our CRNG chain of custody tracking solutions here.

CAREERS

Join a team that is continually pushing boundaries in project development, engineering, construction, operations and maintenance , and more - delivering solutions to our customers across all phases of the biogas and RNG value chain.

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HSE

We perform our work to the highest standards with a goal zero approach: zero incidents, zero accidents, and zero environmental releases. Our goal is to eliminate day-to-day perils - before they happen.

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MISSION & VALUES

We define our success by the way we impact the lives of the people around us: from our team members & their families, to our customers, supply partners, and in the communities where we work.

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OUR IMPACT

RENEWABLE NATURAL GAS

PROJECT DEVELOPMENTSUPPORT

BIOGAS-TO-ENERGY

OPERATIONS &MAINTENANCE

LANDFILL GAS COLLECTION & CONTROL

ANAEROBIC DIGESTER

POWER GENERATION

WATER/WASTEWATER TREATMENT

FOOD WASTE

We Build Profitable Projects

Engineering A Sustainable Future One Project at a Time

Proven Performance By Design

FREE Biogas-to-RNG Solutions Overview

Get a complete overview of our Biogas-to-RNG Solutions including:

End-to-End Services We’ve Got You Covered

What Makes Us Different?

We Design it Like We Own it

SCADA & Controls

24-7 Maintenance - Your Parts Are On The Way

Predictive Maintenance

Cloud Data Management & Optimization Solutions

Our Company

CAREERS

HSE

MISSION & VALUES

Featured Projects

Brazed Aluminum Heat Exchanger Repairs

Industrial Maintenance for Food & Beverage Manufacturer

Heat Exchanger Fabrication Project for a battery plant

Storage Tank for an Environmental Water Treatment Plant

Agricultural Plant Design, Installation & Construction

Valve Swap for Wastewater Treatment Plant

Bar Screen Replacement & Control Panel Changeout

Confined Space Rescue for Environmental Services Company

Stainless Steel Vacuum Knockout Pot Fabrication

Wastewater Treatment Piping System Maintenance & Repair

Custom-Fabricated Reactor for Pharmaceutical Customer

Process Piping Maintenance & Repair

Steam Piping Maintenance

Vessel Repairs & Piping Updates

Custom Stainless Steel Mix Tanks

Mechanical Maintenance Services

Process Piping Flange Assembly Fabrication For Refining Customer

Process Piping Repair & Replacement

Air Separation - Cryogenic Services

Biofuel Plant Maintenance & Repair

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PROJECT DEVELOPMENT
SUPPORT

OPERATIONS &
MAINTENANCE

Get a complete overview of our
Biogas-to-RNG Solutions including: