He admitted that the first few tidal lagoons would require a substantial subsidy in the form of a guaranteed price for their electricity for the first 30 years.

The development of today's major modern energy industries have all relied on substantial subsidy support.

In a sense, any government tax policy of allowing for deduction of interest expenses but not of dividends, has essentially provided a substantial subsidy to takeovers.

The country has a huge budget deficit and one of its largest commitments has been substantial subsidies paid to make imported fuel cheaper.

The federal government granted substantial subsidies, so that many houses could be restored.