Why Israel wants more solar roofs: a simple guide

From sunlight to the electricity network, here is how one roof fits into a much bigger plan.

Select an underlined term for a short explanation.

Imagine a class setting a goal to read a hundred books together. Writing the goal on the board does not mean the books have been read. Israel’s programme for 100,000 additional solar roofs by 2030 works in a similar way: it sets a goal for many separate projects. Each roof still needs people to turn that plan into something real. The number tells us where the programme wants to go.

What would happen on one of those roofs? A solar panel contains cells that turn light into electricity. The electricity comes out in a form called direct current. An inverter changes it into alternating current, the form normally used by the electricity network. Think of the inverter as a translator between two electrical forms. It changes the form of the electricity; it does not create the sunlight or the energy.

The grid connects places that make electricity with places that use it. You can picture it as a network of roads, except that electricity moves through wires rather than cars moving along streets. The people operating the network must keep electricity supply and use in balance. A rooftop system therefore becomes part of something larger than the house beneath it. Having panels and connecting them to that shared network are different parts of the job.

So what does the government do? Its July 2026 rooftop campaign points residents towards information and a calculator. These tools can help adults begin asking questions about a project. A programme target is not a delivery notice saying free panels will arrive at every home. Think of the difference between a school organising a science fair and each team completing its own experiment: guidance helps, but the individual work still has to happen.

A family can start with a few ordinary questions: which part of our roof could we use, what would the system cost, and who would look after it? Adults and qualified professionals then work through the building, equipment and connection details. You do not need to climb onto a roof or touch any wires to understand the idea. Following one roof from a question to a working system is already a good way to understand the national plan.