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How Guarantees of Origin support the circular economy in energy?

Guarantees of Origin (GOs) help track renewable energy use, supporting circular economy goals and corporate sustainability across global markets.

April 30th, 2025
Guarantees of Origin and the circular economy in energy

How do GOs support circular economy in energy? 

As sustainability goals become increasingly vital for businesses, being able to track and verify renewable energy consumption is key. One widely adopted method is through Guarantees of Origin (GOs)—certificates that prove the origin of renewable electricity. These allow businesses to align their operations with green targets, providing transparency and verification in a circular energy economy.

How do Guarantees of Origin enable circular energy strategies?

Guarantees of Origin allow companies to prove the source of their energy, supporting claims of renewable consumption. They play a crucial role in tracking green energy usage, helping businesses measure and adjust their operations to reduce carbon output and optimise resources.

GOs and their role in sustainable energy consumption

Empowering consumers through renewable energy choice

GOs enable consumers and businesses to choose their energy source, encouraging a shift toward renewable consumption. This transparency helps utilities market 100% green tariffs and supports informed consumer decisions.

Advancing corporate sustainability and conscious purchasing

Businesses can use GOs to demonstrate sustainability credentials, which are increasingly critical for attracting eco-conscious investors, customers, and talent.

Supporting ESG compliance and carbon reporting

GOs allow companies to quantify renewable energy use and emissions reductions—key components in meeting ESG standards and environmental reporting obligations.

Guarantees of Origin (GO) Market Outlook 2025

We look at the 2025 market outlook for Guarantees of Origin, highlighting price fluctuations, the number of expirations and market regulations taking place in 2024.
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Benefits of Guarantees of Origin for energy producers and markets

GOs provide direct financial and reputational benefits to renewable energy producers by bypassing brokers and building trust in clean energy transactions. They also facilitate participation in green energy markets and can be traded to support energy transition strategies.

Challenges in implementing Guarantees of Origin

Tackling greenwashing and ensuring verification integrity

Without transparency and consistent auditing, GOs may risk being misused. Third-party verification and standardised reporting processes are essential to uphold their integrity.

Harmonising international certification systems

Different naming conventions and regulations across borders can limit the transferability of GOs. Efforts are needed to unify certification standards globally.

Raising public awareness of energy certification

General public knowledge about GOs remains limited. Simplified explanations and relatable comparisons (e.g., 1 GO = 1 MWh) are vital to build awareness and trust.

Leveraging blockchain and digital tools for transparency

Technologies like blockchain and smart contracts can enhance traceability and automate the certification process, reinforcing the authenticity of green energy claims.

The future of GOs in the circular energy economy

As national policies increasingly require environmental reporting, GOs are set to become central tools in corporate sustainability strategies. Real-time tracking and granular GOs—measuring energy in half-hour increments—will further enhance their usefulness for dynamic energy management and accurate carbon accounting.

GOs are vital tools for building a transparent, low-carbon future—empowering businesses, consumers, and energy markets to make sustainable choices.

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