Sustainability results and operating statistics
SRP's Sustainable Portfolio achieved a result of 6.98% of retail requirements, compared with the FY11 goal of 5%, while operating statistics reflected a continued slowing in customer growth and a leveling of electric sales.
Megawatt-Hour (MWh) impacts of SRP's Sustainable Portfolio
| |
FY11 planned |
FY11 actual |
Energy efficiency |
|
|
| Commercial demand-side management |
200,639 |
240,509 |
| Residential demand-side management |
290,519 |
318,081 |
| M-Power |
179,945 |
177,966 |
| Total energy efficiency |
671,103 |
736,556 |
| |
|
|
Renewable energy |
|
|
| Biomass |
78,946 |
24,918 |
| Fuel cell |
1,314 |
955 |
| Small hydropower (low-impact) |
2,447 |
8,024 |
| Hydropower (owned and purchased) |
865,630 |
721,146 |
| Landfill gas |
21,027 |
28,154 |
| Green gas (purchased landfill gas) |
0 |
60,082 |
| Solar |
34,425 |
39,150 |
| Wind purchases |
193,602 |
259,938 |
| Total renewable energy |
1,197,391 |
1,142,367 |
| Total for FY11 |
1,868,494 |
1,878,923 |
| Total as a percentage of retail sales |
6.75% |
6.98% |
| |
|
|
| Year-end banking reconciliation (MWh) |
|
|
| Current-year Sustainable Portfolio resources |
|
1,878,923 |
Less current-year Sustainable Portfolio requirement
(5% of retail requirements) |
|
-1,345,514 |
| Excess resources available to be banked |
|
533,409 |
|
|
FY11 operating statistics
May 1, 2010 - April 30, 2011
Electric |
|
|
| Electric customers, year-end |
|
949,388 |
| Electric service area (sq. mi.) |
|
2,900 |
| Peak — power system (MW) |
|
7,438 |
| Resources available to serve peak (MW) |
|
8,512 |
| Peak — SRP retail customers (MW) |
|
6,350 |
| Total electric sales (GWh) |
|
31,960 |
| |
|
|
Water |
|
|
| Water service area (sq. mi.) |
|
375 |
| Watershed (sq. mi.) |
|
13,000 |
| Water deliveries (af) |
|
850,976* |
| Water storage capacity (af) |
|
2,328,201* |
| Water in storage, year-end (af) |
|
1,986,096* |
| Runoff (af) |
|
233,912** |
| af = acre-feet, GWh = gigawatt hours, MW = megawatt, sq. mi. = square miles |
*Jan. 1-Dec. 31, 2010
**Jan. 1-May 1,2011 |