Solar radiation

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Across
  1. 5. A linked collection of solar panels (modules).
  2. 6. Technologies that collect heat (thermal energy) directly from the sun for water or space heating
  3. 7. A solar system connected to the local utility power grid.
Down
  1. 1. A component in off-grid systems that regulates battery charging to prevent overcharging
  2. 2. The type of electricity produced by solar panels.
  3. 3. A device that stores excess electricity generated during the day for use at night.
  4. 4. A combination of on-grid and off-grid technology, usually featuring battery storage.