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Support SEI - Become a MemberYour support helps Solar Energy International in many ways. From funding our Outreach Programs to helping make the SEI eco-campus a reality, SEI depends upon the generosity of its members to further our vision of a truly sustainable future. SEI is a tax-exempt charitable organization under section 501(c)3 of the Internal Revenue Code. Annual membership and donations are tax-deductible. Becomer a member of SEI today! SEI membership levels and benefits are valid for one year and may be renewed annually thereafter |