Power utility PPC’s market share in the mid-voltage category, where competition has intensified, slid to 30.2 percent in May, well below its 53.72 percent share in January, making way for independent suppliers who have made significant gains since the beginning of the year.

Protergia, a member of the Mytilineos group, ranked second in the mid-voltage market, was the biggest gainer during the five-month period, increasing its mid-voltage market share to 20.02 percent in May, nearly double January’s 12.19 percent.

Heron follows with 13.74 percent, up from 9.24 percent in January. Elpedison is ranked fourth with 9.34 percent, from 6.72 percent in January. NRG is next, closely behind, with a 7.74 percent mid-voltage market share, from 5.16 percent at the beginning of the year.

No major market-share changes have been reported in the high and low-voltage categories.

Overall – high, mid and low-voltage categories – PPC captured 66.27 percent of the market in May, slightly below the previous month’s 67.25 percent.

Protergia is ranked second, overall, with a 7.31 percent share, up from 6.84 percent in April. Heron is in third place with 6.27 percent, gaining from the previous month’s 5.81 percent. Elpedison follows with 4.97 percent, down from 5.06 percent in April.