Its PPA with IID requires power sales to begin by 30 June 2011. GreenHunter has made progress towards stabilising its financial condition. Subsidiary GreenHunter Biofuels renegotiated financing terms with German commercial bank WestLB, giving it some breathing room. It also brought on an investment banking firm to explore the possible sale or other options of its Houston refinery. "We feel that we are methodically working through our very tight capital issues with a specific game plan that should allow for future opportunities within the renewable space," Evans said on 14 August.