D/E ratio history for Plug Power Inc.
| Date | D/E ratio | 
|---|---|
| 31 Dec 2023 | 0.07 | 
| 31 Dec 2022 | 0.05 | 
| 31 Dec 2021 | 0.08 | 
| 31 Dec 2020 | 0.46 | 
| 31 Dec 2019 | 2.49 | 
| 31 Dec 2018 | 29.56 | 
| 31 Dec 2017 | 1.41 | 
| 31 Dec 2016 | 0.45 | 
| 31 Dec 2015 | 0.00 | 
| 31 Dec 2014 | 0.02 | 
| 31 Dec 2013 | -0.14 | 
| 31 Dec 2012 | 0.22 | 
| 31 Dec 2011 | 0.19 | 
| 31 Dec 2010 | 0.00 | 
| 31 Dec 2009 | 0.69 | 
| 31 Dec 2008 | 0.50 | 
| 31 Dec 2007 | 0.00 | 
| 31 Dec 2006 | 0.00 | 
| 31 Dec 2005 | 0.03 | 
| 31 Dec 2004 | 0.04 | 
| 31 Dec 2003 | 0.03 | 
| 31 Dec 2002 | 0.05 | 
| 31 Dec 2001 | 0.04 | 
| 31 Dec 2000 | 0.04 | 
| 31 Dec 1999 | 0.03 | 
| 31 Dec 1998 | 0.00 | 
