This article is not trying to belittle the merit and potential of solar energy.
From the economist.com
Every time they attack her, mock her or belittle her, she only gets more popular.
From the cnn.com
Is your attempt to belittle me any better than what you have judged me for doing?
From the guardian.co.uk
Why people like buildings that so belittle their own humanity I never understand.
From the guardian.co.uk
As for the inferiority complex, I do this to belittle your superiority complex.
From the economist.com
Don't belittle us just because we choose to use and celebrate our differences.
From the independent.co.uk
That would seem both to belittle the offence and to lower the burden of proof.
From the independent.co.uk
Now, I don't want to belittle long drive golf, because that could be seen as envy.
From the washingtonpost.com
Uncomplicated it may have been but that is not to belittle Vettel or his team.
From the guardian.co.uk
More examples
Minimize: cause to seem less serious; play down; "Don't belittle his influence"
Disparage: express a negative opinion of; "She disparaged her student's efforts"
Diminish: lessen the authority, dignity, or reputation of; "don't belittle your colleagues"
(belittled) made to seem smaller or less (especially in worth); "her comments made me feel small"
Denigration: a belittling comment
(belittling) tending to diminish or disparage; "belittling comments"; "managed a deprecating smile at the compliment"; "deprecatory remarks about the book"; "a slighting remark"
To knowingly say that something is smaller or less important than it actually is