Mr Drax, Conservative MP for south Dorset, said there were still problems with the revised plans.
Drax say miscanthus can still be useful for farmers wanting to stabilise sandy soils.
The system can be monitored by satellite and by measuring trees in the forest, Drax says.
The owners of the giant coal plant Drax are joined by some less conventional proposals.
The giant Drax station in Yorkshire, for instance, is turning over half its boilers to pellets.
The Drax scheme could mean up to 2-3, 000 construction jobs and between 60-100 jobs long-term, Mr Emery said.
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Drax says it averages between 20 and 75g, depending on the biomass used.
Once the coal is offloaded, some will immediately be sent out via rail freight trains to the Drax power station.
Dorothy Thompson, chief executive of Drax, told BBC News that biomass was the ideal fuel to balance variable wind power.
Dorset MP Richard Drax previously said he would ask the government to clarify what is allowed to be released and when.
The UK government selected the gas-fired power station at Peterhead in Aberdeenshire and the coal-fired power station at Drax in North Yorkshire.
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Dorset MP Richard Drax has previously said he would ask the government to clarify what is allowed to be released and when.
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Peter Emery, production director of Drax Power, welcomed the announcement for Yorkshire.
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The coal-fired Drax station in North Yorkshire is one of Europe's largest.
Power giant Drax plans to burn huge amounts of wood instead of coal at its North Yorkshire plant over the next few years.
The company has signed a deal with Drax Power Station to handle shipments of wood pellets into Immingham, Hull and Goole over a 15-year period.
Shares in power firm Drax have risen after the company said it had made rapid progress in its plans to switch to using biomass fuel.
The first action by Climate Camp for Climate Action was at Drax coal power station in 2006, followed by Heathrow airport in 2007 and Kingsnorth coal power station in 2008.
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Drax will get 10% of its fuel from British sources like these and there's a high-walled maze at the power station of blocks of chopped miscanthus next to high mounds of shredded willow.
Drax claims that because shipping is so efficient, it creates less CO2 bringing a boat-load of wood from America - even the West Coast - than it does ferrying the equivalent wood by lorry from forests in Scotland.
"After 10 years developing significant knowledge and experience in all aspects of using sustainable biomass in place of coal at our power station, we now have the mandate, means and expertise to transform the business into a predominantly biomass-fuelled generator, " said Drax chief executive Dorothy Thompson.
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