The Wisconsin Supreme Court has held that an owner of a solar-heated residence, who alleged that an adjoining neighbor's proposed construction of a residence would interfere with his access to unobstructed sunlight, stated a claim upon which relief could be granted under a theory of private nuisance.
Prah v. Maretti, 108 Wis. 2d 223, 321 N.W.2d 182 (1982).
Mary G. Isban,
Tort Law - Private Nuisance - Access to Sunlight - Residential Solar Energy Systems,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol21/iss4/14