Context: Renewable energy is also the most economic solution for new grid-connected capacity in areas with good resources. As the cost of renewable power falls, the scope of economically viable applications increases. Renewable technologies are now often the most economic solution for new generating capacity. Where "oil-fired generation is the predominant power generation source (e.g. on islands, off-grid and in some countries) a lower-cost renewable solution almost always exists today". As of 2012, renewable power generation technologies accounted for around half of all new power generation capacity additions globally. In 2011, additions included 41 gigawatt (GW) of new wind power capacity, 30 GW of PV, 25 GW of hydro-electricity, 6 GW of biomass, 0.5 GW of CSP, and 0.1 GW of geothermal power.

Question: What is the most economic solution for new grid-connected capacity in areas with good resources?
Answer: Renewable energy

Question: What happens as the scope of economically viable applications increases?
Answer: the cost of renewable power falls

Question: What are now often the most economic solution for new generating capacity?
Answer: Renewable technologies

Question: What is the most economic solution for old grid-connected capacity in areas with good resources?
Answer: Unanswerable

Question: What happens as the scope of economically viable applications decreases?
Answer: Unanswerable

Question: What doesn't happen as the scope of economically viable applications increases?
Answer: Unanswerable

Question: What are now often the most economic solution for old generating capacity?
Answer: Unanswerable

Question: What are not often the most economic solution for new generating capacity?
Answer: Unanswerable