Introduction
Electricity came to India in the year 1886. A comprehensive Act relating to electricity was enacted only in the year 1910, which is known as Indian Electricity Act 1910. State Electricity Boards are were formed by virtue of section 5 of Electricity (Supply) Act 1948. KSE Board comes under Southern Region Electricity Board ( SERB) with headquarters at Bangalore. KSE Board issued the regulations and published a booklet entitled " Conditions of supply of Electrical Energy". Board revised the regulations in 1989.

System Operation
Under co-ordination of southern region electricity Boards Kerala system is operated. The following feeders act as major tie lines.
1. Thrissur-Udumalpet 400KV DC
2. Sabarigiri-Madurai 220 KV SC
3. Edamon-Kayathar 220 KV SC
4. Idukki-Udumalpet 220 KV SC
5. Kaniampetta-Mysore 220 KV SC

Electricity Tariff
In power distribution costing and pricing is really complex on account of various factors such as statutory constraints, social obligations and nature of product.
In KSEB tariff is classified as follows
1. EHT
2. HT -I,  HT-II , HT-III, HT-IV
3. Grid Tariff
4. LT tariffs 
    a. LT-Ia, LT-Ib Domestic 
    b. LT-II, LT-III
    c. LT-IV Industrial
    d. LT-V Agricultural
    e. LT-VI , LT VII Commercial
    f.  LT-VIII Temporary

Achievements in last five Years

Mr. Pinarayi vijayan as an electricity mister of Kerala restructured the entire power scenario of the state. Kerala is the only state in south India without power cut. Load shedding will be withdrawn by the end of 2000.     
1. Added 876 MW to the system
2. More than 3 lakhs service connections
3. 258 substations under construction including 110 KV substation at Pinarayi
4. Up-to-date voltage improvement programmes in electricity distribution 
5. Lowest tariff in south India

Kerala Power System

Installed Capacity	2482.7MW
a. KSEB	1981.6MW
b. NTPC	359.5MW
c. Private	141.6MW
Generating Stations	23
a. Hydro-electric	18 (17-KSEB)
b. Thermal	2
c. Diesel	2
d. Non conventional	1
Maximum Demand KSEB alone	1663.6MW
Including Import	1953.8MW
Total Consumption	10964.4389MU
Per capita consumption	359.5KWH
Sub stations
a. 400KV	1
b. 220KV	11
c. 110KV	68
d. 66KV	105
No. of villages electrified	1364
Total connected load in MW	7275MW
No. of distribution circles	19
No. of distribution divisions	53
No. of distribution major sections	298
No. of distribution sections	216

Generating stations and capacity