How did Enron use special purpose entities to hide financial losses?

Enron utilized special purpose entities (SPEs)—limited partnerships created with outside parties—as a mechanism to conceal the company's deteriorating financial health. While the use of SPEs is a common business practice, Enron abused this structure by employing these entities as "dump sites" for its troubled assets and underperforming operations.1

By transferring these liabilities and assets to the SPEs, Enron effectively kept them off its own balance sheets. This deceptive accounting practice allowed the company to hide significant financial losses, making its overall fiscal position appear far more stable and profitable than it actually was. The situation was further complicated by the fact that some of these entities were managed by Enron’s own chief financial officer, Andrew Fastow.1

This manipulation, alongside other practices like "mark-to-market" accounting, misled investors and analysts until the true extent of the fraud was uncovered in 2001, ultimately leading to the company's bankruptcy.1