For the 2016 Season, there are a handful of grant opportunities for teams:
This grant program is administered by Playing At Learning on behalf of PG&E for teams in PG&E service areas that meet specific targeted criteria, including diversity, under-served communities, socio-economic representation, etc.
Information on the grants and an application can be found on the Playing At Learning website at http://www.playingatlearning.org/pge/
For the 2016 season, Apple is providing support for teams that have Apple employees as coaches/mentors. Your Apple employee coach/mentor should contact Apple for information on how to register a team for Apple support!
Each year FIRST has a variety of grant opportunites for teams. Many are regionally based. Most are need based. Visit the FIRST Tech Challenge Grants Page for additional information.