(a)    In this subtitle the following words have the meanings indicated.

(b)    “Building” means:

(1)    any new structure with an area of at least 5,000 square feet;

(2)    any change to an existing structure that:

(i)    will add at least 10% gross floor space to the structure and has an estimated construction cost of more than $25,000; or

(ii)    constitutes a major renovation; or

(3)    any structure with an area of at least 5,000 square feet that is leased or owned by the State.

(c)    “Energy-consumption analysis” means an evaluation, by type and amount of energy used, of:

(1)    each piece of equipment that serves a building, including any piece of equipment that is used:

(i)    to cool the building;

(ii)    to heat the building; or

(iii)    to heat water used in the building;

(2)    each piece of equipment on the building site that is:

(i)    used to generate electricity for the building; or

(ii)    powered, in whole or in part, by coal, electricity, natural gas, oil, sun, or wind; and

(3)    each conservation measure included in the building that decreases the energy requirements of the building.

(d)    “Energy performance index” means a number that:

(1)    describes the energy requirements of a building measured at the building boundaries under defined internal and external ambient conditions over an entire seasonal cycle; and

(2)    is stated either:

(i)    per square foot of floor space in the building; or

(ii)    per cubic foot of occupied volume of the building.

(e)    “Life of the building” has the meaning established by the Department under § 4-808 of this subtitle.

(f)    “Life-cycle costs” means the sum of the following costs of a building:

(1)    the cost of initial construction;

(2)    the cost of all energy conservation measures;

(3)    the cost of operation and maintenance, including labor and materials, for the life of the building;

(4)    the cost, over the life of the building, of the fuel used by:

(i)    the equipment that controls or provides the humidity, lighting, power, temperature, and ventilation of the building; and

(ii)    other energy-using equipment in the building; and

(5)    the other costs incident to owning the building.

(g)    “Primary procurement unit” has the meaning provided in § 11-101 of this article.