( ( ( An ( innovative way ) ) ( of ( power generation ) ) ) ( ( involves ( ( the utilization ) ( of ( ( ( geothermal energy ) , ) ( ( ( ( the energy ) ( of ( ( ( hot water ) ( that ( ( exists naturally ) underground ) ) ) ( -LRB- ( ( hot springs ) -RRB- ) ) ) ) ) , ) ( as ( the ( heat source ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT An) (JJ innovative) (NN way)) (PP (IN of) (NP (NN power) (NN generation)))) (VP (VBZ involves) (NP (NP (DT the) (NN utilization)) (PP (IN of) (NP (NP (JJ geothermal) (NN energy)) (, ,) (NP (NP (DT the) (NN energy)) (PP (IN of) (NP (NP (JJ hot) (NN water)) (SBAR (WHNP (WDT that)) (S (VP (VBZ exists) (ADVP (RB naturally)) (ADVP (RB underground))))) (PRN (-LRB- -LRB-) (NP (JJ hot) (NNS springs)) (-RRB- -RRB-)))) (, ,) (PP (IN as) (NP (DT the) (NN heat) (NN source)))))))) (. .)))
An innovative way of power generation involves the utilization of geothermal energy, the energy of hot water that exists naturally underground (hot springs), as the heat source.
(ROOT (S (NP (JJ Geothermal) (NN power)) (VP (VBZ is) (VP (VBN generated) (PP (IN via) (NP (NP (JJ underground) (NNS sources)) (PP (IN of) (NP (NN heat))))))) (. .)))
Geothermal power is generated via underground sources of heat.