Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Wind power in France
Table title:
Offshore windpower
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 > 2014 </th><th colspan=1 rowspan=1 > 2018 </th><th colspan=1 rowspan=1 > 2023 </th></tr>
<tr> <td colspan=1 rowspan=1 > Offshore wind power </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 500 MW </td><td colspan=1 rowspan=1 > 3,000 MW, (an additional 500 to 6,000 MW to be deployed, following consultations in the proposed zones, the outcome and results of the first projects and on the basis of costs). </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Marine energy (floating wind turbines, underwater turbines etc.) </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 100 MW (an additional 200 to 2,000 MW capacity deployed,depending on the outcome of the trial projects and according to costs) </td></tr>
<tr> <td colspan=1 rowspan=1 > Total </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 500 MW </td><td class="highlighted"  colspan=1 rowspan=1 > 3,100-11,100 MW </td></tr>
</table>
Question:
How will the total energy change by 2023?
Answer:
Overall including marine energy offshore installed capacity will rise to between 3,100 and 11,100 MW by 2023.