能量是执行工作的能力。它以各种形式存在，例如动力学，电势，热等。在焦耳（J）中测量。
1 GWh = 3,412,128,220.196 BTU
1 BTU = 2.9307e-10 GWh
例子:
将15 gigawatt小时转换为英国热单元：
15 GWh = 51,181,923,302.94 BTU
| gigawatt小时 | 英国热单元 |
|---|---|
| 0.01 GWh | 34,121,282.202 BTU |
| 0.1 GWh | 341,212,822.02 BTU |
| 1 GWh | 3,412,128,220.196 BTU |
| 2 GWh | 6,824,256,440.392 BTU |
| 3 GWh | 10,236,384,660.588 BTU |
| 5 GWh | 17,060,641,100.98 BTU |
| 10 GWh | 34,121,282,201.96 BTU |
| 20 GWh | 68,242,564,403.92 BTU |
| 30 GWh | 102,363,846,605.88 BTU |
| 40 GWh | 136,485,128,807.84 BTU |
| 50 GWh | 170,606,411,009.8 BTU |
| 60 GWh | 204,727,693,211.761 BTU |
| 70 GWh | 238,848,975,413.721 BTU |
| 80 GWh | 272,970,257,615.681 BTU |
| 90 GWh | 307,091,539,817.641 BTU |
| 100 GWh | 341,212,822,019.601 BTU |
| 250 GWh | 853,032,055,049.002 BTU |
| 500 GWh | 1,706,064,110,098.004 BTU |
| 750 GWh | 2,559,096,165,147.006 BTU |
| 1000 GWh | 3,412,128,220,196.008 BTU |
| 10000 GWh | 34,121,282,201,960.082 BTU |
| 100000 GWh | 341,212,822,019,600.8 BTU |
规则