# Solar Radiation - Daily Surface Energy

## Daily surface energy from solar radiation

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Solar energy accumulated on south faced horizontal to vertical tilted surfaces on the northern hemisphere latitude *0 ^{o}N*,

*30*and

^{o}N*60*- are indicated in the diagrams below:

^{o}N### Solar Radiation - Latitude *0*^{o}N

^{o}N

*1 MJ = 0.278 kWh = 239 kcal = 948 Btu**1 m*^{2}= 1550 in^{2}= 10.764 ft^{2}

### Solar Radiation - Latitude *30*^{o}N

^{o}N

### Solar Radiation - Latitude *60*^{o}N

^{o}N

At equator there may be enough radiation in winter time to consider year-round applications. In the northern hemisphere we have to look for applications that requires energy mainly in summer time.

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