You can get a 36W retrofit kit - This is an example:
36 or 55 watt Bright Kits
If you are handy, you might also be able to put an additional 15W unit in your existing hood.
80 gal FW with 30 gal DIY wet/dry/sump.
9 fancy golds, 1 hillstream loaches, 1 rubber-lip pleco (C. thomasi), 3 SAEs, small school of white cloud minnows, planted.