By A. A. M. Sayigh (Auth.)
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Additional resources for Energy and the Environment. Into the 1990s
81+ 1987 1987 1987 1987 1987 1987 1987 1987 1987 1987 1987 1987 1988 1988 1988 1988 1988 1989 1989 •89-'90 1990 1990 '89-'90 15000 ) 79 t o 96 MW MW. The Danis h programm e wa s give n a majo r boos t whe n o n Decembe r 20 , 1985 , th e Danis h M i n i s t r y o f Energ y an d th e Danis h E l e c t r i c i t y U t i l i t i e s reache d a n Agreemen t tha t 100 MW o f windfarm s woul d be i n s t a l l e d befor e 1991 . Of t h i s t o t a l , ELKRAF T woul d i n s t a l l 45 MW an d ELSA M woul d i n s t a l l 55 MW.
L . 12 5 b i l l i o n kWh in 1989 . The outpu t in 198 9 wa s equivalen t t o abou t 3. 5 m i l l i o n barrel s of oil . Thes e California n windfarm s no w compris e approximatel y 18,00 0 turbine s wit h a combine d ratin g o f abou t 133 5 MW. Accordin g t o th e sam e paper , tota l capacit y o f win d turbine s i n s t a l l e d in C a l i f o r n i a ros e fro m 10MW in 198 1 t o a pea k o f 39 8 MW in 198 5 f a l l i n g awa y to abou t 275 MW in 1986 . Energ y productio n pe r kilowat t o f installe d capacit y ros e fro m 660 kWh in 198 5 t o 100 0 kWh in 1986 , an d t o 159 0 kWh in 1989 .
H F . J . C. F . 2 0. 4 0. 6 0. 3. Progress improvement in J-V curves in a-SiC/a-Si heterojunction comparing with a-Si homojunction solar cell. 40 0 50 0 60 0 70 0 80 0 WAVELENGT H (nm ) Fig. 4. , 1987b) improvemen t o f th e photovoltai c performance s o f th e a-SiC/a-S heterojunctio n sola r cel l (Hamakawa , 1983) . I t ha s bee n show n from * recen investigatio n (Okamot o e t al. , 1985 ) tha t ther e i s a correlatio n betwee th e ope n circui t voltag e an d th e diffusio n voltag e V^ , an d abou t 1/ 3 o th e increas e o f V , contribute s t o th e increas e o f V i t n f d o c Toda y thi s a-Si C wid e ga p windo w ha s becom e a routin e technolog y a s a higt } efficienc y sola r cell , an d th e highes t recor d s o fa r i s 10 % fo r 10x1 0 cm ^ o f modul e siz e b y Sany o (Kuwan o e t a l .