gas is the main source of energy in the uk.
gas is the main source of energy in the uk.
what is the main source of energy in the uk?
gas
netherlands is faced with future challenges as the energy supply is forecasted to fall short of the demand by the year 2025 in the gas sector. this is attributed to the depletion of netherlands's major gas field, groningen, and the earthquakes that have hit the groningen region. in addition, there is ambiguity surrounding the feasibility of producing unconventional gas. netherlands relies heavily on natural gas to provide energy. gas is the main source of heating for households in netherlands and represented 35% of the energy mix in 2014. furthermore, the european union 2020 package (20% reduction in ghg emissions, 20% renewables in the energy mix and 20% improvement in energy efficiency) enacted in 2009 has influenced the domestic energy politics of netherlands and pressured non-state actors to give consent to more aggressive energy reforms that would reduce reliance on natural resources as a source of income to the economy. therefore, a transition towards renewable energy has been a key objective by netherlands in order to safeguard the energy security of the country from natural resources depletion, mainly gas. netherlands has set a 14% renewable energy target of the total energy mix by the year 2020. however, the continuation of providing tax breaks to electricity generated by coal and gas, and to the exploration and extraction of gas from fields that are “insufficiently” profitable, renders a successful transition towards renewable energy more difficult to achieve due to inconsistencies in the policy mix. in 2011, it was estimated that the renewable energy sector received 31% (eur 743mm), while the conventional energy sector received 69% (eur 1.6b), of the total energy subsidies by the government. furthermore, the energy market in netherlands remains to be dominated by few major corporations nuon, rwe, e.on, eneco and delta that have significant influence over the energy policy. renewable energy share in the energy mix is estimated to reach 12.4% by the year 2020, falling 1.6% short of the 14% target.
netherlands
before uml 2, the only transition semantics in use was the external transition, in which the main source of the transition is always exited and the main target of the transition is always entered. uml 2 preserved the "external transition" semantics for backward compatibility, but introduced also a new kind of transition called local transition (see section 15.3.15 in "unified modeling language (uml), infrastructure version 2.2"). for many transition topologies, external and local transitions are actually identical. however, a local transition doesn’t cause exit from and reentry to the main source state if the main target state is a substate of the main source. in addition, a local state transition doesn’t cause exit from and reentry to the main target state if the main target is a superstate of the main source state.
uml state machine