The GAK accepts membership in various categories. The membership can be drawn from players within the geothermal industry and from individuals with an interest in the geothermal sector. You can download the membership forms here. For more information, please get in touch with the Secretariat by writing an email to or 


Payment of Membership Subscription Fees

  • Notification of closure of M-Pesa Paybill Number: Since 2015, the Association has been using Paybill Number 596410. This is to notify all members that the Association has closed the Paybill Number 596410 and therefore, it is no longer operational.
  • The new M-Pesa Paybill Number is 443780. You can renew your membership subscription via M-Pesa > Lipa na M-Pesa > Pay Bill > Business Number: 443780 > Account Number: [Indicate Current Membership Number, Initial to First Name, Full Second Name e.g. “I-235 P.Smith”] > Amount > M-Pesa Pin. You will receive an official receipt afterwards.