Resources

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Case Studies

The Power of Automation in Sustainability: How AFL Saved ~$300k Annually

AFL, a global leader in fiber optic cable and connectivity solutions, faced...

Case Study: UChicago Reduces Emissions, Increases Savings with Online Platform

The University of Chicago has an ambitious goal to reduce absolute GHG...

Case Study: Hawaiʻi Island Retreat

Hawaiʻi Island Retreat, a 20-room eco-boutique sustainable hotel, operates on 100% onsite...

A Ground Source Heat Pump Solution for Colorado State University

Updating aging equipment and improving efficiency are foundational goals for Colorado State...

Advancing the City of Boulder’s Climate Action Commitment

With a Climate Action Plan that aims for an 80% reduction in...

Case Study: Belle Haven Community Campus Microgrid Project

The City of Menlo Park, in partnership with Meta and ENGIE North...

Case Study: Largest Solar and BESS Installation on O’ahu to Energize ~10,000 Homes

How did the Kūpono Solar installation – a partnership with a utility,...

Case Study: Solar Generates Financial and Environmental Benefits

A Fortune 50 company with ambitious ESG goals needed a clear path...

Case Study: Largest Solar and BESS Installation on O’ahu to Energize ~10,000 Homes

How did the Kūpono Solar installation – a partnership with a utility,...

Case Study: Energy as a Service Unlocks Deep Retrofit

A 25-acre waterfront resort, OUTRIGGER Kauai Beach Resort implemented efficiency measures and...

Case Study: Reshaping City of Boulder’s Built Environment

The City of Boulder, CO is a recognized leader in climate action...

Case Study: JLG Industries, Inc. — 50001 Ready

JLG Industries, manufacturer of access equipment at 80 sites worldwide set a...

White Papers

Battery Swapping for Truck Electrification in the United States

Medium- and long-haul trucks’ daily travel distances as well as operational and...

Can Maritime Hydrogen Overcome the Headwinds?

With maritime shipping currently responsible for more than 700 million tonnes of...

2025 Google Water Stewardship Project Portfolio

In 2021, Google announced its goal to replenish 120% of the freshwater...

Action Plan: External Financing for Energy Projects

Financing is a key part of any capital project. In this worksheet...

Pathways to Commercial Liftoff: Geothermal Heating and Cooling

Deployment of geothermal heat pumps (GHPs) with air-source heat pumps (ASHPs) and...

Pathways to Commercial Liftoff: Virtual Power Plants 2025 Update

Virtual power plants (VPPs) are among the critical solutions to meet the...

Boulder Community-Wide Greenhouse Gas Emissions Summary Report

The City of Boulder has released its 2023 Greenhouse Gas (GHG) Inventory,...

Canada’s Next Net-Zero Milestone: The 2035 Emissions Reduction Target

In 2015, Canada was on pace to hit a new emissions peak...

Preparing for the Next Stage of Corporate Renewable Purchasing

There has been tremendous growth in corporate and institutional procurement of renewable...

Solar Means Business – 2024 Report

Companies across the United States are investing in record levels of solar...

Renewables 2024 – Analysis and Forecast to 2030

The 2024 edition of the International Energy Agency’s (IEA) annual Renewables market...

Maximizing the Benefits of Onsite Renewable Energy Generation Using Onsite Energy Storage

Facility owners seeking to reduce their operating costs, lower greenhouse gas emissions,...

Research & Reports

City of Chicago’s EV and Mobility Infrastructure Framework

The Chicago Department of Transportation (CDOT) is developing a framework plan to...

Industrial Working Group Report Out

Industrials learn how to assess, characterize, and present the value of energy...

IEA Global Energy Review 2025

According to to the newest edition of the International Energy Agency's (IEA)...

Pathways to Commercial Liftoff: Virtual Power Plants 2025 Update

Virtual power plants (VPPs) are among the critical solutions to meet the...

How to Leverage Rebates for Energy Efficiency Projects

As your organization begins to consider energy efficiency projects to meet your...

Preparing for Carbon Reduction Legislation

Building emissions account for almost 40% of carbon dioxide (CO2 or carbon)...

McDonald’s Corporation 2023-2024 Purpose & Impact Report

McDonald's' 2023-2024 Purpose & Impact Report covers how the company is working...

Meta’s 2024 Sustainability Report

Meta's annual Sustainability Report outlines its progress to address emissions as well...

Data & Analytics: Connecting Energy Usage to Your Business Goals

You can only proactively manage utility costs, understand trends, and develop strategies...

Reducing your Carbon Footprint with RECs and EFECs

While decarbonizing your organization's energy supply might seem daunting, there are a...

Reaching Sustainability Goals Through Renewable Energy Procurement

The integration of renewable purchasing is a popular, but potentially complicated, step...

Overview: Renewable Energy Certificates

A new guide, “Overview: Renewable Energy Certificates” provided by the U.S. Department...

Expert Columns

Navigating Sustainability with Plugged In: Exploring Energy

As we continue Constellation's “Plugged In: Exploring Energy” podcast series, take a...

2025 Building Policies Outlook: More and Smaller Cities Still Passing Building Performance Standards

Fighting climate change means taking serious steps to reduce carbon emissions generated...

Energy Savings Performance Contract Cuts Cost, Reduces Energy Consumption Energy at Memorial Elementary School

As part of a larger energy savings performance contract (ESPC) in its...

Heineken: Innovative partnerships on the path to net zero

Climate change is reshaping how Heineken operates and defining its plans for...

Google: Our progress to accelerate carbon removal solutions

In 2024, Google signed for more than $100 million in carbon removal...

How Amazon approaches carbon credits, a key tool in the fight against climate change

In its approach to carbon credits, Amazon focuses on reducing tropical forest...

Expert Perspectives that Navigate the Future of Energy

"Plugged In: Exploring Energy,” Smart Energy Decisions’ podcast series with Constellation, features...

2025 Energy Codes Outlook: Lawsuits, IECC, BPS Alignment

Who doesn’t love healthier, safer, more affordable-to-operate buildings? In this column, Cherylyn...

DOE: Progress and Accomplishments in Clean Hydrogen — and a Look Back at Major Milestones in 2024

According to the U.S. Department of Energy, momentum for clean hydrogen continued...

Google: 6 unique ways we advanced energy solutions in 2024

In 2024, Google pursued a range of actions to procure more energy...

Sunrise Opportunities: Strategic Planning and Budgeting for Cold Climate Heat Pump Implementation

Located in Washington County, Maine, Sunrise Opportunities (Sunrise) is a rural, grassroots...

Innovate, collaborate, scale: Inside Amazon’s approach to decarbonizing its global network of buildings

According to the Carbon Leadership Forum, buildings and construction account for 40%...

Webinars

2025 State of Corporate Sustainability: Operating buildings with efficiency and sustainability at the forefront

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Powering the Future: Navigating Energy Demands for Data Centers

Recent market dialogue suggests we're witnessing an energy expansion rather than a...

Clean Energy: What to Watch in 2025

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Scope 1 Emissions Reduction: Why All Eyes Are On Heat Pump Technology

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Unlocking Chiller Plant Efficiency Gains with Digital Twin Technology

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The New Math: Balancing Decarb with Your Business & Mission Imperatives

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Climate Regulations Are Coming – Are You Ready?

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Better Bill Data: Using technology to streamline utility bill management

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2024 State of Corporate Sustainability

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Achieving Energy Efficiency with Building Software

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Overcoming the Biggest Hurdle in Decarbonizing Buildings

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The 5 Energy Trends for 2023 and Beyond

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Podcasts

Hackensack Meridian Health’s Sustainability Strategy

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The Water-Energy Nexus

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The Evolution of Data Centers & Sustainability

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Smart and Connected – AT&T’s Carbon-Neutral Future

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Meeting the Energy Challenges of Data Centers

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Driving Circularity in the U.S

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The Dynamics of Data Reporting with Iron Mountain

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Heard at Net Zero Forum: The Current State of Clean Energy

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On the Frontier of Carbon-Free Resources with Microsoft

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Reaching Net Zero: Kingspan’s Planet Passionate Program

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The Evolving Landscape of Nuclear Technologies

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Heard at REF: PIVOT! How to Keep Advancing Your Strategy When Everything Changes

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Supplier Spotlights

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