Note 23 - Subsequent Events	12 Months Ended
Dec. 31, 2022
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 23 — SUBSEQUENT EVENTS Cash dividend On February 22, 2023, the Company’s Board of Directors declared, approved and authorized payment of a quarterly dividend of $6.7 million ($0.12 per share) to all holders of the Company’s issued and outstanding shares of common stock on March 8, 2023, payable on March 22, 2023. Change in Control Severance Plan On February 21, 2023, the Company adopted the Ormat Technologies, Inc. Change in Control Severance Plan (the “Severance Plan”), pursuant to which certain management employees, including the Company’s named executive officers (the “Eligible Participants”) may be eligible for certain payments and benefits upon certain terminations of employment in connection with a change in control of the Company. Pursuant to the Severance Plan, in the event that an Eligible Participant’s employment is terminated by the Company without Cause within three months prior to and 24 months following a change in control, other than due to death or disability, or an Eligible Participant resigns for good reason (all as defined in the Severance Plan) and subject to the effectiveness of a release and continued compliance with restrictive covenants, the Eligible Participant is entitled to the following: (i) cash severance payable in a lump sum equal to 200% or 150% (depending on the Eligible Participant is designated as tier 1 or 2, respectively) of the sum of his/her base salary and target bonus; (ii) payment of a prorated target bonus in respect of the year of termination payable in a lump sum; (iii) for U.S. participants, eligibility for monthly reimbursements of COBRA premiums for 18 months; and (iv) accelerated vesting of all equity awards that were outstanding as of the change in control, with any performance-vesting awards to be deemed vested at actual level of performance determined at the time of such termination (or maximum target level if actual performance cannot reasonably be determined). The above severance benefits are in lieu of any other severance benefits to which the participant may be entitled, except for certain statutory severance entitlements under Israeli law. As a condition of participation, Eligible Participants must execute and comply with restrictive covenants, which generally provide for post-termination non-competition and employee and customer non-solicit restrictions for periods of 12 or 18 months for tiers 1 and 2, respectively, as well as perpetual confidentiality and non-disparagement provisions.

Note 23 - Subsequent Events

12 Months Ended

Dec. 31, 2022

NOTE 23 — SUBSEQUENT EVENTS

Cash dividend

On February 22, 2023, the Company’s Board of Directors declared, approved and authorized payment of a quarterly dividend of $6.7 million ($0.12 per share) to all holders of the Company’s issued and outstanding shares of common stock on March 8, 2023, payable on March 22, 2023.

Change in Control Severance Plan

On February 21, 2023, the Company adopted the Ormat Technologies, Inc. Change in Control Severance Plan (the “Severance Plan”), pursuant to which certain management employees, including the Company’s named executive officers (the “Eligible Participants”) may be eligible for certain payments and benefits upon certain terminations of employment in connection with a change in control of the Company. Pursuant to the Severance Plan, in the event that an Eligible Participant’s employment is terminated by the Company without Cause within three months prior to and 24 months following a change in control, other than due to death or disability, or an Eligible Participant resigns for good reason (all as defined in the Severance Plan) and subject to the effectiveness of a release and continued compliance with restrictive covenants, the Eligible Participant is entitled to the following: (i) cash severance payable in a lump sum equal to 200% or 150% (depending on the Eligible Participant is designated as tier 1 or 2, respectively) of the sum of his/her base salary and target bonus; (ii) payment of a prorated target bonus in respect of the year of termination payable in a lump sum; (iii) for U.S. participants, eligibility for monthly reimbursements of COBRA premiums for 18 months; and (iv) accelerated vesting of all equity awards that were outstanding as of the change in control, with any performance-vesting awards to be deemed vested at actual level of performance determined at the time of such termination (or maximum target level if actual performance cannot reasonably be determined). The above severance benefits are in lieu of any other severance benefits to which the participant may be entitled, except for certain statutory severance entitlements under Israeli law. As a condition of participation, Eligible Participants must execute and comply with restrictive covenants, which generally provide for post-termination non-competition and employee and customer non-solicit restrictions for periods of 12 or 18 months for tiers 1 and 2, respectively, as well as perpetual confidentiality and non-disparagement provisions.