• Southwest Gas average return on investment for 2023 was -1.6, a 261.62% decline from 2022.
• Southwest Gas average return on investment for 2022 was 0.99, a 77.4% decline from 2021.
• Southwest Gas average return on investment for 2021 was 4.38, a 2.82% decline from 2020.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.