In the above-mentioned 12 grid-connected SPPs, as shown in
Fig. 1, the total investment was 2.658 billion RMB yuan3
, the total
demand for straw about 2.13 million tons/year. Among them, ten
are direct-fired, one is gasified and the other is mix-fired upgraded
from coal-fired by technical improvement with an investment of
80 million RMB yuan