CREATE TABLE table_20241 ("20 years" CLOB, "2400 kWh/kW p y" CLOB, "2200 kWh/kW p y" CLOB, "2000 kWh/kW p y" CLOB, "1800 kWh/kW p y" CLOB, "1600 kWh/kW p y" CLOB, "1400 kWh/kW p y" CLOB, "1200 kWh/kW p y" CLOB, "1000 kWh/kW p y" CLOB, "800 kWh/kW p y" CLOB)

Name the 20 years for 1600 kwh/kw p y is 8.8
SELECT "20 years" FROM table_20241 WHERE "1600 kWh/kW p y" = '8.8'
SELECT "20 years" FROM "table_20241" WHERE "1600 kWh/kW p y" = '8.8'