> For the complete documentation index, see [llms.txt](https://green-energy-network.gitbook.io/gen-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://green-energy-network.gitbook.io/gen-docs/tech-architecture/proof-of-concept.md).

# Proof of Concept

- [Credit Trading](https://green-energy-network.gitbook.io/gen-docs/tech-architecture/proof-of-concept/credit-trading.md)
- [Impact Investing](https://green-energy-network.gitbook.io/gen-docs/tech-architecture/proof-of-concept/impact-investing.md)
- [Energy Management](https://green-energy-network.gitbook.io/gen-docs/tech-architecture/proof-of-concept/energy-management.md)