Solar Access Rights and Shading Issues

What is solar access, and are you guaranteed it?

Solar access means the ability to receive sunlight on your panels without unreasonable blocking. In most places, owning land does not automatically give you a right to light across a neighbor's property. Some states have laws that allow solar easements or limit certain restrictions, and details vary, so never assume a protection exists.

Courses and guides from university programs, including Penn State, describe solar rights as a mix of state statutes, local ordinances and private agreements. Ask a local attorney how it works where you live.

Think about the size of the system you might want and how it relates to the shade. A small array on a barn roof may have different shading patterns than a larger ground array, and a roof that is shaded by your own trees may need tree work before panels make sense. Weigh the cost and the loss of shade honestly.

What is a solar easement?

A solar easement is a recorded agreement in which a neighbor agrees to keep trees or structures from shading a defined area above your property. It is usually created by contract and recorded with the county, and it typically has to describe the protected space precisely. Not every state has a statute that supports them, and neighbors are under no obligation to agree.

If an easement is something you want, talk with an attorney before installing, since it is hard to request after a dispute begins.

Because easements are legal documents, details matter: who is bound, how long they last, what happens when the neighbor sells the land, and what the protected space looks like. An attorney can draft the language so that it is recorded properly and runs with the land. Without proper recording, a promise from a neighbor may not bind the next owner.

How do you assess shading on your own land?

Observe where the sun travels across your site during different seasons, since the angle changes from winter to summer. Note trees, buildings, hills and even tall structures on your own land that will cast shade, and think about how trees grow over the next decades. A qualified solar installer can measure shading with tools and estimate its effect on output.

Remember that your own trees need decisions too. Removing mature trees changes wind, erosion and habitat, so weigh that before cutting.

• Check morning, midday and afternoon shade in winter
• Note neighbor trees and what size they will reach
• Ask about planned buildings next door
• Keep panels away from future barn or outbuilding sites
• Get a written shading estimate from the installer

What do local rules and covenants say?

Zoning offices may regulate height, setbacks and placement of ground-mounted arrays, and permits are typically required for electrical work. Deed restrictions and homeowners associations may limit panels or require approval. Ask the planning office and read any recorded covenants before you commit.

Check whether your state has any laws about solar access or association rules, but ask a local attorney or your extension office rather than relying on an online summary.

Ask also whether your local government has a permit process for solar systems and whether inspections are required. Some places have simple processes and others require engineering drawings. Your electric utility may also have rules for connecting to the grid, including approval before you turn the system on, so ask about those at the start.

What if a neighbor's trees block your panels?

Start with a friendly conversation. Many neighbors will trim a branch if asked politely and shown the problem, and a conversation costs less than a legal dispute. Resources on extension.org discuss what can be done about trees blocking panels, and generally point toward communication and local rules.

If talking fails, ask a local attorney what rights you have. Do not trim or cut trees on land you do not own, since you may be liable for damage.

How can you protect your investment?

Place panels where long-term shading is least likely, plant slow-growing trees on your own land away from the array and keep records of your installation and shading studies. Ask your insurer how panels affect your policy, and check lender requirements.

Plan for the future. If you intend to build a barn or add trees, put them on the plan before choosing the panel location.

Review the array location every few years as trees grow, and ask your installer what trimming or monitoring they recommend.

Last reviewed: November 12, 2026. Written by the Homestead & Small Farm Editorial Team. See our editorial policy.