Become a Member

"Our members support our programs and are trailblazers for change. Becoming a member inspires us to continue serving our mission to improve energy efficiency where we live and work"

- Bryan Cordell, Executive Director

Membership Levels

All members can enjoy attending our monthly conversation gatherings, the ReThink Series, in addition to the following benefits:

Basic Membership
Invitations and discounts to workshops and events, a bumper sticker, and our monthly eNewsletter.

Student - $25
Individual - $35
Dual/Couple - $65

Business Membership
Basic membership benefits, plus

Supporter - $250
business name on website

Champion - $500
business name on website and discounts on the rental of our facilities

Sustainer - $1,000
business name, logo and hyperlink on website, and discounts on the rental of our facilities

Visionary - $5,000
business name, logo and hyperlink on website, discounts on the rental of our facilities, and group tour of our three demonstration centers

We appreciate the generous support of our members!

You may pay for your membership online using our secure server, or you may send us a check payable to The Sustainability Institute at:
The Sustainability Institute, 113 Calhoun Street, Charleston, SC 29401


The Sustainability Institute is a 501c3 nonprofit organization, and membership fees are tax-deductible as allowed by law. Membership fees support the many programs of The Sustainability Institute: Workforce Development - Energy Conservation Corps, Education and Workshops, Direct Services - CharlestonWISE.